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TRANSCRIPT
Caddy Fitting Locations No. 802 / 1
Edition 06.2010
Position of fuses engine compartment
Overview of fuse carrier in engine compartment
1 - Fuses on fuse holder A -SA-
t Location, from October 2003 → chapter
t Position of fuses, from October 2003 → chapter
t Location, from May 2005 → chapter
t Position of fuses, from May 2005 → chapter
t Position of fuses, from November 2006 → chapter
t Position of fuses, from May 2007 → chapter
t Position of fuses, from November 2007 → chapter
t Position of fuses, from May 2008 → chapter
t Position of fuses, from November 2008 → chapter
2 - Fuses on fuse holder B -SB-
t Location, from October 2003 → chapter
t Position of fuses, from October 2003 → chapter
t Location, from May 2005 → chapter
t Position of fuses, from May 2005 → chapter
t Position of fuses, from November 2006 → chapter
t Position of fuses, from May 2007 → chapter
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t Position of fuses, from November 2007 → chapter
t Position of fuses, from May 2008 → chapter
t Position of fuses, from May 2009 → chapter
Fuses on fuse holder A -SA- , from October 2003
Torque settings
Electrical system, repair Group 97, removing and installing fuse holders
Fuse colours
30 A - green
25 A - white
20 A - yellow
15 A - blue
10 A - red
7,5 A - brown
5 A - beige
3 A - purple
Position of fuses on fuse holder A -SA- , from October 2003
No. Current Flow Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse holder
A -SA1-
150 A
200 A
-
-
Alternator -C- 90A / 110A
Alternator -C- 140A
30
2 - Fuse 2 on fuse holder
A -SA2-
80 A - Electromechanical power steering motor -
V187-
30
3 - Fuse 3 on fuse holder
A -SA3-
80 A - Radiator fan control unit -J293- 30
4 - Fuse 4 on fuse holder
A -SA4-
70 A - Onboard supply control unit -J519- 30
5 - Fuse 5 on fuse holder
A -SA5-
- - Vacant 30
6 - Fuse 6 on fuse holder
A -SA6-
100 A - Fuses on fuse holder C -SC- left dash panel
SC20 - SC24, SC42 - SC56
30
7 - Fuse 7 on fuse holder
A -SA7-
50 A - Fuses on fuse holder C -SC- left dash panel
SC39 - SC41
30
Fuses on fuse holder A -SA- , from May 2005
Torque settings
Electrical system, repair Group 97, removing and installing fuse holders
Position of fuses on fuse holder A -SA- , from May 2005
No. Current Flow Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse holder A -
SA1-
150 A - Alternator -C- 30
1 - Fuse 1 on fuse holder A -
SA1-
200 A - Alternator -C-1)
30
2 - Fuse 2 on fuse holder A -
SA2-
80 A - Power steering control unit -J500-
Electromechanical power steering
motor -V187-
30
3 - Fuse 3 on fuse holder A -
SA3-
50 A - Radiator fan control unit -J293- 30
3 - Fuse 3 on fuse holder A -
SA3-
80 A - Radiator fan control unit -J293-2)
30
4 - Fuse 4 on fuse holder A -
SA4-
50 A - X-contact relief relay -J59-3)
Onboard supply control unit -J519-3)
30
4 - Fuse 4 on fuse holder A - 80 A - X-contact relief relay -J59-4)
30
SA4- Onboard supply control unit -J519-4)
5 - Fuse 5 on fuse holder A -
SA5-
- - Vacant -
6 - Fuse 6 on fuse holder A -
SA6-
100 A - Fuse SC20 up to SC24 on fuse holder C
-SC-
Fuse SC42 up to SC48 on fuse holder C
-SC-
Fuse SC50 up to SC52 on fuse holder C
-SC-
30
7 - Fuse 7 on fuse holder A -
SA7-
50 A - Fuse SC39 up to SC41 on fuse holder C
-SC-5)
30
Note
t 1)
only models with 140 A alternator
t 2)
only for models with increased blower output
t 3)
only models with central locking
t 4)
only models without central lock
t 5)
only models with trailer operation
Position of fuses on fuse holder A -SA- , from November 2006
No. Current Flow Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse holder A -
SA1-
150 A - Alternator -C- 30
1 - Fuse 1 on fuse holder A -
SA1-
200 A - Alternator -C-1)
30
2 - Fuse 2 on fuse holder A -
SA2-
80 A - Power steering control unit -J500-
Electromechanical power steering
motor -V187-
30
3 - Fuse 3 on fuse holder A -
SA3-
50 A - Radiator fan control unit -J293- 30
3 - Fuse 3 on fuse holder A -
SA3-
80 A - Radiator fan control unit -J293-2)
30
4 - Fuse 4 on fuse holder A -
SA4-
50 A - X-contact relief relay -J59-3)
Onboard supply control unit -J519-3)
30
4 - Fuse 4 on fuse holder A - 80 A - X-contact relief relay -J59-4)
30
SA4- Onboard supply control unit -J519-4)
5 - Fuse 5 on fuse holder A -
SA5-
100 A --- Fuse SC20 up to SC24 on fuse holder
C -SC-
Fuse SC42 up to SC48 on fuse holder
C -SC-
Fuse SC50 up to SC52 on fuse holder
C -SC-
30
6 - Fuse 6 on fuse holder A -
SA6-
- - Vacant -
7 - Fuse 7 on fuse holder A -
SA7-
50 A - Fuse SC39 up to SC41 on fuse holder
C -SC-5)
30
Note
t 1)
only models with 140 A alternator
t 2)
only for models with increased blower output
t 3)
only models with central locking
t 4)
only models without central lock
t 5)
only models with trailer operation
Position of fuses
on fuse holder A
-SA- , from May
2007
No. Current Flow Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse holder A -
SA1-
150 A - Alternator -C- 30
1 - Fuse 1 on fuse holder A -
SA1-
200 A - Alternator -C-1)
30
2 - Fuse 2 on fuse holder A -
SA2-
80 A -
-
Power steering control unit -J500-
Electromechanical power steering
motor -V187-
30
3 - Fuse 3 on fuse holder A -
SA3-
50 A - Radiator fan control unit -J293- 30
3 - Fuse 3 on fuse holder A -
SA3-
80 A - Radiator fan control unit -J293-2)
30
4 - Fuse 4 on fuse holder A -
SA4-
50 A -
-
X-contact relief relay -J59-3)
Onboard supply control unit -J519-3)
30
4 - Fuse 4 on fuse holder A -
SA4-
80 A -
-
X-contact relief relay -J59-4)
Onboard supply control unit -J519-4)
30
5 - Fuse 5 on fuse holder A -
SA5-
100 A -- Fuse SC20 up to SC24 on fuse holder
C -SC-
Fuse SC42 up to SC53 on fuse holder
C -SC-
30
6 - Fuse 6 on fuse holder A -
SA6-
- - Vacant -
7 - Fuse 7 on fuse holder A -
SA7-
50 A - Fuse SC39 up to SC41 on fuse holder
C -SC-5)
30
Note
t 1)
only models with 140 A alternator
t 2)
only for models with increased blower output
t 3)
only models with central locking
t 4)
only models without central lock
t 5)
only models with trailer operation
Position of fuses
on fuse holder A
-SA- , from
September 2007
No. Current Flow Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse holder A -
SA1-
150 A - Alternator -C- 30
1 - Fuse 1 on fuse holder A -
SA1-
200 A - Alternator -C-1)
30
2 - Fuse 2 on fuse holder A -
SA2-
80 A -
-
Power steering control unit -J500-
Electromechanical power steering
motor -V187-
30
3 - Fuse 3 on fuse holder A -
SA3-
50 A - Radiator fan control unit -J293- 30
3 - Fuse 3 on fuse holder A -
SA3-
80 A - Radiator fan control unit -J293-2)
30
4 - Fuse 4 on fuse holder A -
SA4-
50 A -
-
X-contact relief relay -J59-3)
Onboard supply control unit -J519-3)
30
4 - Fuse 4 on fuse holder A -
SA4-
80 A -
-
X-contact relief relay -J59-4)
Onboard supply control unit -J519-4)
30
5 - Fuse 5 on fuse holder A -
SA5-
100 A -- Fuse SC20 up to SC24 on fuse holder
C -SC-
Fuse SC42 up to SC53 on fuse holder
C -SC-
30
6 - Fuse 6 on fuse holder A -
SA6-
100 A - Auxiliary heater element -Z35- 30
7 - Fuse 7 on fuse holder A -
SA7-
50 A - Fuse SC39 up to SC41 on fuse holder
C -SC-5)
30
Note
t 1)
only models with 140 A alternator
t 2)
only for models with increased blower output
t 3)
only models with central locking
t 4)
only models without central lock
t 5)
only models with trailer operation
Position of fuses
on fuse holder A
-SA- , from May
2008
No. Current Flow Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse holder
A -SA1-
150 A - Alternator -C- 30
1 - Fuse 1 on fuse holder
A -SA1-
200 A - Alternator -C-1)
30
2 - Fuse 2 on fuse holder
A -SA2-
80 A -
-
Power steering control unit -J500-
Electromechanical power steering motor -
V187-
30
3 - Fuse 3 on fuse holder
A -SA3-
50 A - Radiator fan thermal switch -F18-
Radiator fan control unit -J293-5)
30
4 - Fuse 4 on fuse holder
A -SA4-
50 A - X-contact relief relay -J59-3)
Onboard supply control unit -J519-3)
30
4 - Fuse 4 on fuse holder
A -SA4-
80 A -
-
X-contact relief relay -J59-4)
Onboard supply control unit -J519-4)
30
5 - Fuse 5 on fuse holder
A -SA5-
100 A -
-
Fuse SC20 up to SC24 on fuse holder C -SC-
Fuse SC42 up to SC52 on fuse holder C -SC-
(applicable up to May 2009)
Fuse SC43 up to SC53 on fuse holder C -SC-
(applicable from May 2009)
30
6 - Fuse 6 on fuse holder
A -SA6-
50 A - Low heat output relay -J359-2)
30
7 - Fuse 7 on fuse holder
A -SA7-
100 A - High heat output relay -J360-2)
30
Note
t 1)
only models with 140 A alternator
t 2)
only models with auxiliary air heater
t 3)
only models with central locking
t 4)
only models without central lock
t 5)
only models with variable radiator fan
Position of fuses
on fuse holder A
-SA- , from
November 2008
No. Current Flow Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse holder
A -SA1-
150 A - Alternator -C- 30
1 - Fuse 1 on fuse holder
A -SA1-
200 A - Alternator -C-1)
30
2 - Fuse 2 on fuse holder
A -SA2-
80 A - Power steering control unit -J500-
Electromechanical power steering motor -
V187-
30
3 - Fuse 3 on fuse holder
A -SA3-
50 A - Radiator fan thermal switch -F18-
Radiator fan control unit -J293-3)
30
4 - Fuse 4 on fuse holder
A -SA4-
80 A - X-contact relief relay -J59-
Onboard supply control unit -J519-
30
5 - Fuse 5 on fuse holder
A -SA5-
80 A - Fuse SC20 up to SC24 on fuse holder C -SC-
Fuse SC42 up to SC52 on fuse holder C -SC-
(applicable up to May 2009)
Fuse SC43 up to SC53 on fuse holder C -SC-
(applicable from May 2009)
30
6 - Fuse 6 on fuse holder
A -SA6-
40 A - Low heat output relay -J359-2)
30
7 - Fuse 7 on fuse holder
A -SA7-
80 A - High heat output relay -J360-2)
30
Note
t 1)
only models with 140 A alternator
t 2)
only models with auxiliary air heater
t 3)
only models with variable radiator fan
Fuse holder B -SB- on electronics box, on left of engine compartment, from November 2003
Fuse colours
30 A - green
25 A - white
20 A - yellow
15 A - blue
10 A - red
7,5 A - brown
5 A - beige
3 A - purple
Fuse locations on fuse holder B -SB- , from October 2003
No. Current Flow
Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse
holder B -SB1-
30 A - ABS control unit -J104- 30
2 - Fuse 2 on fuse
holder B -SB2-
30 A - ABS control unit -J104- 30
3 - Fuse 3 on fuse
holder B -SB3-
- - Vacant 30
4 - Fuse 4 on fuse
holder B -SB4-
5 A - Onboard supply control unit -J519- 30
5 - Fuse 5 on fuse
holder B -SB5-
20 A --- Treble tone horn -H2-
Bass tone horn -H7-
Dual tone horn relay -J4-
30
6 - Fuse 6 on fuse
holder B -SB6-
20 A -
-
-
Ignition coil 1 with output stage -N70-
Ignition coil 2 with output stage -N127-
Ignition coil 3 with output stage -N291-
Ignition coil 4 with output stage -N292-
Ignition transformer -N152-
30
7 - Fuse 7 on fuse
holder B -SB7-
5 A -
-
Brake pedal switch -F47-
J... - Engine control units
Clutch position sender -G476-
30
8 - Fuse 8 on fuse
holder B -SB8-
10 A -
--
Exhaust gas recirculation valve -N18-
Activated charcoal filter system solenoid valve 1 -
N80-
Radiator fan control unit -J293-
Intake manifold flap motor -V157-
87
9 - Fuse 9 on fuse
holder B -SB9-
10 A - Fuel pump relay -J17- (BDJ, BJB) 87
10 - Fuse 10 on fuse 10 A - Exhaust gas recirculation valve -N18- 87
holder B -SB10- -- Altitude correction solenoid valve -N78-
Exhaust gas recirculation cooler change-over
valve -N345-
11 - Fuse 11 on fuse
holder B -SB11-
25 A
30 A
-
-
Motronic control unit -J220- (BCA, BGU)
Diesel direct injection system control unit -J248-
(BDJ, BJB)
87
12 - Fuse 12 on fuse
holder B -SB12-
15 A -
-
Lambda probe -G39- (BCA)
Lambda probe after catalytic converter -G130-
(BCA)
87
13 - Fuse 13 on fuse
holder B -SB13-
- - Vacant 30
14 - Fuse 14 on fuse
holder B -SB14-
- - Vacant 30
15 - Fuse 15 on fuse
holder B -SB15-
40 A - Starter -B- (Terminal 50) 50
16 - Fuse 16 on fuse
holder B -SB16-
15 A - Steering column electronics control unit -J527- 30
17 - Fuse 17 on fuse
holder B -SB17-
10 A - Control unit in dash panel insert -J285- 30
18 - Fuse 18 on fuse
holder B -SB18-
- - Vacant 30
19 - Fuse 19 on fuse
holder B -SB19-
15 A -- Radio -R-
Control unit with display for radio and navigation
system -J503-
30
20 - Fuse 20 on fuse
holder B -SB20-
10 A - Mobile telephone operating electronics control
unit -J412-
30
21 - Fuse 21 on fuse
holder B -SB21-
- - Vacant 30
22 - Fuse 22 on fuse
holder B -SB22-
- - Vacant 30
23 - Fuse 23 on fuse
holder B -SB23-
- - Vacant 30
24 - Fuse 24 on fuse
holder B -SB24-
10 A - Data bus diagnostic interface -J533- 30
25 - Fuse 25 on fuse
holder B -SB25-
- - Vacant 30
26 - Fuse 26 on fuse
holder B -SB26-
10 A
5 A
-
-
Motronic control unit -J220- (BCA)
Terminal 30 voltage supply relay -J317- (BCA,
BDJ, BJB )
30
27 - Fuse 27 on fuse
holder B -SB27-
10 A - Heater element for crankcase breather -N79- 15
28 - Fuse 28 on fuse
holder B -SB28-
- - Vacant 15
29 - Fuse 29 on fuse 20 A - Injector, cylinder 1 -N30- (BCA) 15
holder B -SB29- Injector, cylinder 2 -N31- (BCA)
Injector, cylinder 3 -N32- (BCA)
Injector, cylinder 4 -N33- (BCA)
30 - Fuse 30 on fuse
holder B -SB30-
20 A - Auxiliary heater control unit -J364- 30
31 - Fuse 31 on fuse
holder B -SB31-
30 A - Windscreen wiper motor -V- 30
32 - Fuse 32 on fuse
holder B -SB32-
40 A -- Glow plug 1 -Q10- (BDJ)
Glow plug 2 -Q11- (BDJ)
87
33 - Fuse 33 on fuse
holder B -SB33-
40 A
15 A
-
--
Glow plug 3 -Q12- (BDJ)
Glow plug 4 -Q13- (BDJ)
Fuel system pressurisation pump -G6- (BCA,
BGU)
87
34 - Fuse 34 on fuse
holder B -SB34-
- - Vacant -
35 - Fuse 35 on fuse
holder B -SB35-
- - Vacant -
36 - Fuse 36 on fuse
holder B -SB36-
- - Vacant -
37 - Fuse 37 on fuse
holder B -SB37-
- - Vacant -
38 - Fuse 38 on fuse
holder B -SB38-
10 A -
--
Headlight range control regulator -E102-
Left headlight range control motor -V48-
Right headlight range control motor -V49-
30
39 - Fuse 39 on fuse
holder B -SB39-
5 A -
-
Oil level and oil temperature sender -G266-
Control unit in dash panel insert -J285-
15
40 - Fuse 40 on fuse
holder B -SB40-
20 A - - SC1, SC2, SC3, SC4, SC5, SC6, SC9, SC10,
SC11, SC12, SC13, SC14, SC15, SC16, SC25,
SC26, SC27 on fuse holder C -SC-
15
41 - Fuse 41 on fuse
holder B -SB41-
- - Vacant 15
42 - Fuse 42 on fuse
holder B -SB42-
5 A
10 A
-
--
Fuel pump relay -J17- (BCA, BGU)
Glow plug relay -J52- (BDJ)
Air mass meter -G70- (BJB)
15
43 - Fuse 43 on fuse
holder B -SB43-
- - Vacant 15
44 - Fuse 44 on fuse
holder B -SB44-
- - Vacant 87a
45 - Fuse 45 on fuse
holder B -SB45-
15 A -
-
Lambda probe -G39- (BGU)
Lambda probe after catalytic converter -G130-
(BGU)
87a
46 - Fuse 46 on fuse
holder B -SB46-
- - Vacant 87a
47 - Fuse 47 on fuse 40 A - Onboard supply control unit -J519- , left headlight 30
holder B -SB47- (models with central locking)
48 - Fuse 48 on fuse
holder B -SB48-
40 A - Onboard supply control unit -J519- , right
headlight (models with central locking)
30
49 - Fuse 49 on fuse
holder B -SB49-
- - Vacant 30
50 - Fuse 50 on fuse
holder B -SB50-
- - Vacant 30
51 - Fuse 51 on fuse
holder B -SB51-
50 A
40 A
-
-
-
-
Automatic glow period control unit -J179- (BJB)
Glow plug 1 -Q10- (BJB)
Glow plug 2 -Q11- (BJB)
Glow plug 3 -Q12- (BJB)
Glow plug 4 -Q13- (BJB)
Secondary air pump relay -J299- (BGU)
Secondary air pump motor -V101- (BGU)
30
52 - Fuse 52 on fuse
holder B -SB52-
- - Vacant 30
53 - Fuse 53 on fuse
holder B -SB53-
25 A -- Driver door control unit -J386-
Front passenger door control unit -J387-
30
54 - Fuse 54 on fuse
holder B -SB54-
50 A - Radiator fan control unit -J293- 30
Fuse holder B -SB- on electronics box, on left of engine compartment, from May 2005
Fuse colours
50 A - red
40 A - orange
30 A - green
25 A - white
20 A - yellow
15 A - blue
10 A - red
7,5 A - brown
5 A - beige
3 A - purple
Fuse locations on fuse holder B -SB- , from May 2005
No. Current Flow Nominal Function/component Terminal
Diagram
designation
value
1 - Fuse 1 on fuse
holder B -SB1-
- - Vacant -
2 - Fuse 2 on fuse
holder B -SB2-
15 A - Steering column electronics control unit -
J527-
30
3 - Fuse 3 on fuse
holder B -SB3-
5 A - Onboard supply control unit -J519- 30
4 - Fuse 4 on fuse
holder B -SB4-
30 A - ABS control unit -J104- 30
5 - Fuse 5 on fuse
holder B -SB5-
15 A - Mechatronic unit for dual clutch gearbox -
J743- (only models with direct shift
gearbox)
30
6 - Fuse 6 on fuse
holder B -SB6-
5 A - Control unit in dash panel insert -J285- 30
7 - Fuse 7 on fuse
holder B -SB7-
- - Vacant -
8 - Fuse 8 on fuse
holder B -SB8-
15 A -- Control unit with display for radio and
navigation system -J503-
Radio -R-
30
9 - Fuse 9 on fuse
holder B -SB9-
10 A - Mobile telephone operating electronics
control unit -J412- (only models with
telephone)
30
10 - Fuse 10 on fuse
holder B -SB10-
5 A --- Motronic current supply relay -J271-
(BSX)
Terminal 15 voltage supply relay -J329-
(BDJ, BST, BLS, BSU, BJB, BCA, BUD)
Engine control unit -J623- BCA, BUD,
BSX)
30
11 - Fuse 11 on fuse
holder B -SB11-
20 A - Auxiliary heater control unit -J364- 30
12 - Fuse 12 on fuse
holder B -SB12-
5 A - Data bus diagnostic interface -J533- 30
13 - Fuse 13 on fuse
holder B -SB13-
30 A - Engine control unit -J623- 15
14 - Fuse 14 on fuse
holder B -SB14-
20 A ---- Ignition coil 1 with output stage -N70-
(BCA, BSX, BUD)
Ignition coil 2 with output stage -N127-
(BCA, BSX, BUD)
Ignition coil 3 with output stage -N291-
(BCA, BSX, BUD)
Ignition coil 4 with output stage -N292-
(BCA, BSX, BUD)
Ignition transformer -N152- (BGU, BSE,
BSF)
15
15 - Fuse 15 on fuse
holder B -SB15-
5 A --- Fuel pump relay -J17- (BDJ, BST, BLS,
BSU, BJB)
Glow plug relay -J52- (BDJ, BST)
Automatic glow period control unit -J179-
(BLS, BSU, BJB)
15
15 - Fuse 15 on fuse
holder B -SB15-
10 A --------- Fuel pump switch-off relay -J333- (BSX)
Injector, cylinder 1 -N30- (BUD)
Injector, cylinder 2 -N31- (BUD)
Injector, cylinder 3 -N32- (BUD)
Injector, cylinder 4 -N33- (BUD)
Gas injection valve 1 -N366- (BSX)
Gas injection valve 2 -N367- (BSX)
Gas injection valve 3 -N368- (BSX)
Gas injection valve 4 -N369- (BSX)
15
16 - Fuse 16 on fuse
holder B -SB16-
30 A - ABS control unit -J104- 30
17 - Fuse 17 on fuse
holder B -SB17-
20 A - Onboard supply control unit -J519- 30
18 - Fuse 18 on fuse
holder B -SB18-
30 A - Special vehicle control unit -J608- 30
19 - Fuse 19 on fuse
holder B -SB19-
30 A - Windscreen wiper motor -V- 30
20 - Fuse 20 on fuse
holder B -SB20-
40 A -- Glow plug 3 -Q12- (BDJ, BST)
Glow plug 4 -Q13- (BDJ, BST)
87
21 - Fuse 21 on fuse
holder B -SB21-
10 A - Lambda probe -G39- (BLS with particulate
filter/preparation for particulate filter)
15
21 - Fuse 21 on fuse
holder B -SB21-
15 A -- Lambda probe -G39- (BGU, BSE, BSF,
BCA, BSX, BUD)
Lambda probe after catalytic converter -
G130- (BGU, BSE, BSF, BCA, BSX,
BUD)
15
22 - Fuse 22 on fuse
holder B -SB22-
5 A -- Brake pedal switch -F47- (applicable up to
May 2006)
Clutch position sender -G476- (only
models with manual gearbox)
15
23 - Fuse 23 on fuse
holder B -SB23-
5 A ---- Secondary air pump relay -J299- (BGU,
BSE)
Exhaust gas recirculation valve -N18-
(BDJ, BST, BJB)
Charge pressure control solenoid valve -
N75- (BJB)
Exhaust gas recirculation cooler change-
over valve -N345- (BJB, BLS, BSU)
Exhaust gas recirculation cooler change-
over valves 2 -N381- (BLS, BSU)
15
23 - Fuse 23 on fuse
holder B -SB23-
10 A ----- Fuel tank shut-off valve 1 -N361- (BSX)
Fuel tank shut-off valve 2 -N362- (BSX)
Fuel tank shut-off valve 3 -N363- (BSX)
High pressure valve for gas mode -N372-
(BSX)
Fuel tank shut-off valve 4 -N429- (BSX)
15
24 - Fuse 24 on fuse
holder B -SB24-
10 A --------- Exhaust gas recirculation valve -N18-
(BCA)
Injector, cylinder 1 -N30- (BSX)
Injector, cylinder 2 -N31- (BSX)
Injector, cylinder 3 -N32- (BSX)
Injector, cylinder 4 -N33- (BSX)
Activated charcoal filter system solenoid
valve 1 -N80- (BCA, BGU, BSE, BSF,
BUD)
Variable intake manifold change-over valve
-N156- (BGU, BSE, BSF)
Intake manifold flap motor -V157- (BDJ,
BST)
radiator fan connection
-
25 - Fuse 25 on fuse
holder B -SB25-
40 A - Onboard supply control unit -J519- 30
26 - Fuse 26 on fuse
holder B -SB26-
40 A - Onboard supply control unit -J519- 30
27 - Fuse 27 on fuse
holder B -SB27-
40 A --- Glow plug 1 -Q10- (BDJ, BST)
Glow plug 2 -Q11- (BDJ, BST)
Secondary air pump motor -V101- (BGU,
BSE)
87
27 - Fuse 27 on fuse
holder B -SB27-
50 A - Automatic glow period control unit -J179-
(BJB, BLS, BSU)
30
28 - Fuse 28 on fuse
holder B -SB28-
40 A - Terminal 15 voltage supply relay 2 -J681- 30
29 - Fuse 29 on fuse
holder B -SB29-
30 A -- Driver door control unit -J386- (only for
model with electric window regulator)
Front passenger door control unit -J387-
(only for model with electric window
regulator)
30
30 - Fuse 30 on fuse
holder B -SB30-
30 A -- - Fuse SC18 - SC19 on fuse holder C -SC-
(applies to special vehicle only)
- Fuse SC53 - SC56 on fuse holder C -SC-
(applies to special vehicle only)
30
Fuse locations on
fuse holder B -
SB- , from
November 2006
No. Current Flow
Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse
holder B -SB1-
- - Vacant -
2 - Fuse 2 on fuse
holder B -SB2-
15 A - Steering column electronics control unit -
J527-
30
3 - Fuse 3 on fuse
holder B -SB3-
5 A - Onboard supply control unit -J519- 30
4 - Fuse 4 on fuse
holder B -SB4-
30 A - ABS control unit -J104- 30
5 - Fuse 5 on fuse
holder B -SB5-
15 A - Mechatronic unit for dual clutch gearbox -
J743- (only models with direct shift
30
gearbox)
6 - Fuse 6 on fuse
holder B -SB6-
5 A - Control unit in dash panel insert -J285- 30
7 - Fuse 7 on fuse
holder B -SB7-
- - Vacant -
8 - Fuse 8 on fuse
holder B -SB8-
15 A -- Control unit with display for radio and
navigation system -J503-
Radio -R-
30
9 - Fuse 9 on fuse
holder B -SB9-
10 A - Mobile telephone operating electronics
control unit -J412- (only models with
telephone)
30
10 - Fuse 10 on fuse
holder B -SB10-
5 A --- Motronic current supply relay -J271-
(BSX)
Terminal 15 voltage supply relay -J329-
(BDJ, BST, BLS, BSU, BJB, BUD)
Engine control unit -J623- (BUD, BSX)
30
11 - Fuse 11 on fuse
holder B -SB11-
20 A - Auxiliary heater control unit -J364- 30
12 - Fuse 12 on fuse
holder B -SB12-
5 A - Data bus diagnostic interface -J533- 30
13 - Fuse 13 on fuse
holder B -SB13-
30 A - Engine control unit -J623- 15
14 - Fuse 14 on fuse
holder B -SB14-
20 A ---- Ignition coil 1 with output stage -N70-
(BSX, BUD)
Ignition coil 2 with output stage -N127-
(BSX, BUD)
Ignition coil 3 with output stage -N291-
(BSX, BUD)
Ignition coil 4 with output stage -N292-
(BSX, BUD)
Ignition transformer -N152- (BSE, BSF)
15
15 - Fuse 15 on fuse
holder B -SB15-
5 A --- Fuel pump relay -J17- (BDJ, BST, BLS,
BSU, BJB)
Glow plug relay -J52- (BDJ, BST)
Automatic glow period control unit -J179-
(BLS, BSU, BJB)
15
15 - Fuse 15 on fuse
holder B -SB15-
10 A --------- Fuel pump switch-off relay -J333- (BSX)
Injector, cylinder 1 -N30- (BUD)
Injector, cylinder 2 -N31- (BUD)
Injector, cylinder 3 -N32- (BUD)
Injector, cylinder 4 -N33- (BUD)
Gas injection valve 1 -N366- (BSX)
Gas injection valve 2 -N367- (BSX)
Gas injection valve 3 -N368- (BSX)
Gas injection valve 4 -N369- (BSX)
15
16 - Fuse 16 on fuse
holder B -SB16-
30 A - ABS control unit -J104- 30
17 - Fuse 17 on fuse
holder B -SB17-
20 A - Onboard supply control unit -J519- 30
18 - Fuse 18 on fuse
holder B -SB18-
30 A - Special vehicle control unit -J608- 30
19 - Fuse 19 on fuse
holder B -SB19-
30 A - Windscreen wiper motor -V- 30
20 - Fuse 20 on fuse
holder B -SB20-
40 A -- Glow plug 3 -Q12- (BDJ, BST)
Glow plug 4 -Q13- (BDJ, BST)
87
21 - Fuse 21 on fuse
holder B -SB21-
10 A - Lambda probe -G39- (BLS with particulate
filter/preparation for particulate filter)
15
21 - Fuse 21 on fuse
holder B -SB21-
15 A -- Lambda probe heater -Z19- (BSE, BSF,
BSX, BUD)
Lambda probe 1 heater after catalytic
converter -Z29- (BSE, BSF, BSX, BUD)
15
22 - Fuse 22 on fuse
holder B -SB22-
5 A -- Clutch position sender -G476- (only
models with manual gearbox)
15
23 - Fuse 23 on fuse
holder B -SB23-
5 A ---- Secondary air pump relay -J299- (BSE,
BSF)
Exhaust gas recirculation valve -N18-
(BDJ, BST, BJB)
Charge pressure control solenoid valve -
N75- (BJB)
Exhaust gas recirculation cooler change-
over valve -N345- (BJB, BLS, BSU)
Exhaust gas recirculation cooler change-
over valves 2 -N381- (BJB, BLS, BSU)
15
23 - Fuse 23 on fuse
holder B -SB23-
10 A ----- Fuel tank shut-off valve 1 -N361- (BSX)
Fuel tank shut-off valve 2 -N362- (BSX)
Fuel tank shut-off valve 3 -N363- (BSX)
High pressure valve for gas mode -N372-
(BSX)
Fuel tank shut-off valve 4 -N429- (BSX)
15
24 - Fuse 24 on fuse
holder B -SB24-
10 A --------- Injector, cylinder 1 -N30- (BSX)
Injector, cylinder 2 -N31- (BSX)
Injector, cylinder 3 -N32- (BSX)
Injector, cylinder 4 -N33- (BSX)
Activated charcoal filter system solenoid
valve 1 -N80- (BSE, BSF, BUD)
Variable intake manifold change-over valve
-N156- (BSE, BSF)
Intake manifold flap motor -V157- (BDJ,
BST)
Radiator fan connection (T4x connector)
15
25 - Fuse 25 on fuse
holder B -SB25-
40 A - Onboard supply control unit -J519- 30
26 - Fuse 26 on fuse
holder B -SB26-
40 A - Onboard supply control unit -J519- 30
27 - Fuse 27 on fuse
holder B -SB27-
40 A --- Glow plug 1 -Q10- (BDJ, BST)
Glow plug 2 -Q11- (BDJ, BST)
Secondary air pump motor -V101- (BSE,
BSF)
87
27 - Fuse 27 on fuse
holder B -SB27-
50 A - Automatic glow period control unit -J179-
(BJB, BLS, BSU)
30
28 - Fuse 28 on fuse
holder B -SB28-
40 A - Terminal 15 voltage supply relay 2 -J681- 30
29 - Fuse 29 on fuse
holder B -SB29-
30 A -- Driver door control unit -J386- (only for
model with electric window regulator)
Front passenger door control unit -J387-
(only for model with electric window
regulator)
30
30 - Fuse 30 on fuse
holder B -SB30-
30 A -- Fuse SC18 - SC19 on fuse holder C -SC-
(applies to special vehicle only)
Fuse SC53 - SC56 on fuse holder C -SC-
(applies to special vehicle only)
30
Fuse locations on
fuse holder B -
SB- , from May
2007
No. Current Flow
Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse
holder B -SB1-
- - Vacant -
2 - Fuse 2 on fuse
holder B -SB2-
5 A - Steering column electronics control unit -
J527-
30
3 - Fuse 3 on fuse
holder B -SB3-
5 A - Onboard supply control unit -J519- 30
4 - Fuse 4 on fuse
holder B -SB4-
30 A - ABS control unit -J104- 30
5 - Fuse 5 on fuse
holder B -SB5-
15 A - Mechatronic unit for dual clutch gearbox -
J743- (only models with direct shift gearbox)
30
6 - Fuse 6 on fuse
holder B -SB6-
5 A - Control unit in dash panel insert -J285- 30
7 - Fuse 7 on fuse
holder B -SB7-
- - Vacant -
8 - Fuse 8 on fuse
holder B -SB8-
15 A - Control unit with display for radio and
navigation system -J503-
Radio -R-
30
9 - Fuse 9 on fuse
holder B -SB9-
5 A - Mobile telephone operating electronics
control unit -J412- (only models with
telephone)
30
10 - Fuse 10 on fuse
holder B -SB10-
5 A --- Motronic current supply relay -J271- (BSX)
Terminal 15 voltage supply relay -J329-
(BDJ, BST, BLS, BSU, BJB, BUD)
Engine control unit -J623- (BUD, BSX)
30
11 - Fuse 11 on fuse
holder B -SB11-
20 A - Auxiliary heater control unit -J364- 30
12 - Fuse 12 on fuse
holder B -SB12-
5 A - Data bus diagnostic interface -J533- 30
13 - Fuse 13 on fuse
holder B -SB13-
30 A - Engine control unit -J623- (BDJ, BST, BLS,
BSU, BJB, BMM)
15
13 - Fuse 13 on fuse
holder B -SB13-
15 A - Engine control unit -J623- (BSE, BSF, BSX,
BUD)
15
14 - Fuse 14 on fuse
holder B -SB14-
20 A ---- Ignition coil 1 with output stage -N70- (BSX,
BUD)
Ignition coil 2 with output stage -N127-
(BSX, BUD)
Ignition coil 3 with output stage -N291-
(BSX, BUD)
Ignition coil 4 with output stage -N292-
(BSX, BUD)
Ignition transformer -N152- (BSE, BSF,
BSX)
15
15 - Fuse 15 on fuse
holder B -SB15-
5 A --- Fuel pump relay -J17- (BDJ, BST, BLS, BSU,
BJB, BMM)
Glow plug relay -J52- (BDJ, BST)
Automatic glow period control unit -J179-
(BLS, BSU, BJB, BMM)
15
15 - Fuse 15 on fuse
holder B -SB15-
10 A --------- Fuel pump switch-off relay -J333- (BSX)
Injector, cylinder 1 -N30- (BUD)
Injector, cylinder 2 -N31- (BUD)
Injector, cylinder 3 -N32- (BUD)
Injector, cylinder 4 -N33- (BUD)
Gas injection valve 1 -N366- (BSX)
Gas injection valve 2 -N367- (BSX)
Gas injection valve 3 -N368- (BSX)
15
Gas injection valve 4 -N369- (BSX)
16 - Fuse 16 on fuse
holder B -SB16-
30 A - ABS control unit -J104- 30
17 - Fuse 17 on fuse
holder B -SB17-
15 A - Treble tone horn -H2-
Bass tone horn -H7-
30
18 - Fuse 18 on fuse
holder B -SB18-
30 A - Special vehicle control unit -J608- 30
19 - Fuse 19 on fuse
holder B -SB19-
30 A - Windscreen wiper motor -V- 30
20 - Fuse 20 on fuse
holder B -SB20-
40 A -- Glow plug 3 -Q12- (BDJ, BST)
Glow plug 4 -Q13- (BDJ, BST)
87
21 - Fuse 21 on fuse
holder B -SB21-
10 A - Lambda probe heater -Z19- (BLS with
particulate filter/preparation for particulate
filter)
15
21 - Fuse 21 on fuse
holder B -SB21-
15 A -- Lambda probe heater -Z19- (BSE, BSF, BSX,
BUD)
Lambda probe 1 heater after catalytic
converter -Z29- (BSE, BSF, BSX, BUD)
15
22 - Fuse 22 on fuse
holder B -SB22-
5 A -- Clutch position sender -G476- (only models
with manual gearbox)
15
23 - Fuse 23 on fuse
holder B -SB23-
5 A ---- Secondary air pump relay -J299- (BSE, BSF)
Exhaust gas recirculation valve -N18- (BDJ,
BST, BJB)
Charge pressure control solenoid valve -N75-
(BJB)
Exhaust gas recirculation cooler change-over
valve -N345- (BJB, BLS, BSU)
Exhaust gas recirculation cooler change-over
valves 2 -N381- (BJB, BLS, BSU)
15
23 - Fuse 23 on fuse
holder B -SB23-
10 A ----- Fuel tank shut-off valve 1 -N361- (BSX)
Fuel tank shut-off valve 2 -N362- (BSX)
Fuel tank shut-off valve 3 -N363- (BSX)
High pressure valve for gas mode -N372-
(BSX)
Fuel tank shut-off valve 4 -N429- (BSX)
15
24 - Fuse 24 on fuse
holder B -SB24-
10 A --------- Injector, cylinder 1 -N30- (BSX)
Injector, cylinder 2 -N31- (BSX)
Injector, cylinder 3 -N32- (BSX)
Injector, cylinder 4 -N33- (BSX)
Activated charcoal filter system solenoid
valve 1 -N80- (BSE, BSF, BUD)
Variable intake manifold change-over valve -
N156- (BSE, BSF)
Intake manifold flap motor -V157- (BDJ,
BST)
15
Radiator fan connection (T4x connector)
25 - Fuse 25 on fuse
holder B -SB25-
40 A - Onboard supply control unit -J519- 30
26 - Fuse 26 on fuse
holder B -SB26-
40 A - Onboard supply control unit -J519- 30
27 - Fuse 27 on fuse
holder B -SB27-
40 A --- Glow plug 1 -Q10- (BDJ, BST)
Glow plug 2 -Q11- (BDJ, BST)
Secondary air pump motor -V101- (BSE,
BSF)
87
27 - Fuse 27 on fuse
holder B -SB27-
50 A - Automatic glow period control unit -J179-
(BJB, BLS, BSU)
30
28 - Fuse 28 on fuse
holder B -SB28-
40 A - Terminal 15 voltage supply relay 2 -J681- 30
29 - Fuse 29 on fuse
holder B -SB29-
30 A -- Driver door control unit -J386- (only for
model with electric window regulator)
Front passenger door control unit -J387- (only
for model with electric window regulator)
30
30 - Fuse 30 on fuse
holder B -SB30-
30 A
50 A
-- Fuse SC18 - SC19 on fuse holder C -SC-
(applies to special vehicle only)
Fuse SC36 - SC38 on fuse holder C -SC-
(applies to special vehicle only)
Fuse SC53 - SC56 on fuse holder C -SC-
(applies to special vehicle only)
Auxiliary heater element -Z35- (only models
with PTC (Positive Temperature Coefficient)
heater, from September 2007)
30
Fuse locations on
fuse holder B -
SB- from
November 2007
No. Current Flow
Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse
holder B -SB1-
- - Vacant -
2 - Fuse 2 on fuse
holder B -SB2-
5 A - Steering column electronics control unit -
J527-
30
3 - Fuse 3 on fuse
holder B -SB3-
5 A - Onboard supply control unit -J519- 30
4 - Fuse 4 on fuse
holder B -SB4-
30 A - ABS control unit -J104- 30
5 - Fuse 5 on fuse
holder B -SB5-
15 A - Mechatronic unit for dual clutch gearbox -
J743- (only models with direct shift gearbox)
30
6 - Fuse 6 on fuse
holder B -SB6-
5 A - Control unit in dash panel insert -J285- 30
7 - Fuse 7 on fuse
holder B -SB7-
- - Vacant -
8 - Fuse 8 on fuse
holder B -SB8-
15 A -
-
Control unit with display for radio and
navigation system -J503-
Radio -R-
30
9 - Fuse 9 on fuse
holder B -SB9-
5 A - Mobile telephone operating electronics
control unit -J412- (only models with
telephone)
30
10 - Fuse 10 on fuse
holder B -SB10-
5 A --- Terminal 15 voltage supply relay -J329-
(BDJ, BST, BLS, BSU, BJB, BUD)
Engine control unit -J623- (BUD, BSX)
30
10 - Fuse 10 on fuse
holder B -SB10-
10 A --- Motronic current supply relay -J271- (BSX) 30
11 - Fuse 11 on fuse
holder B -SB11-
20 A - Auxiliary heater control unit -J364- 30
12 - Fuse 12 on fuse
holder B -SB12-
5 A - Data bus diagnostic interface -J533- 30
13 - Fuse 13 on fuse
holder B -SB13-
30 A - Engine control unit -J623- (BDJ, BST, BLS,
BSU, BJB, BMM)
15
13 - Fuse 13 on fuse
holder B -SB13-
15 A - Engine control unit -J623- (BSE, BSF, BSX,
BUD)
15
14 - Fuse 14 on fuse
holder B -SB14-
20 A ---- Ignition coil 1 with output stage -N70- (BSX,
BUD)
Ignition coil 2 with output stage -N127-
(BSX, BUD)
Ignition coil 3 with output stage -N291-
(BSX, BUD)
Ignition coil 4 with output stage -N292-
(BSX, BUD)
Ignition transformer -N152- (BSE, BSF,
BSX)
15
15 - Fuse 15 on fuse
holder B -SB15-
5 A --- Fuel pump relay -J17- (BDJ, BST, BLS, BSU,
BJB, BMM)
Glow plug relay -J52- (BDJ, BST)
Automatic glow period control unit -J179-
(BLS, BSU, BJB, BMM)
15
15 - Fuse 15 on fuse
holder B -SB15-
10 A --------- Fuel pump switch-off relay -J333- (BSX)
Injector, cylinder 1 -N30- (BUD)
Injector, cylinder 2 -N31- (BUD)
Injector, cylinder 3 -N32- (BUD)
Injector, cylinder 4 -N33- (BUD)
Gas injection valve 1 -N366- (BSX)
Gas injection valve 2 -N367- (BSX)
15
Gas injection valve 3 -N368- (BSX)
Gas injection valve 4 -N369- (BSX)
16 - Fuse 16 on fuse
holder B -SB16-
30 A - ABS control unit -J104- 30
17 - Fuse 17 on fuse
holder B -SB17-
15 A - Treble tone horn -H2-
Bass tone horn -H7-
30
18 - Fuse 18 on fuse
holder B -SB18-
30 A - Special vehicle control unit -J608- 30
19 - Fuse 19 on fuse
holder B -SB19-
30 A - Windscreen wiper motor -V- 30
20 - Fuse 20 on fuse
holder B -SB20-
40 A -- Glow plug 3 -Q12- (BDJ, BST)
Glow plug 4 -Q13- (BDJ, BST)
87
21 - Fuse 21 on fuse
holder B -SB21-
10 A - Lambda probe heater -Z19- (BLS with
particulate filter/preparation for particulate
filter)
15
21 - Fuse 21 on fuse
holder B -SB21-
15 A -- Lambda probe heater -Z19- (BSE, BSF, BSX,
BUD)
Lambda probe 1 heater after catalytic
converter -Z29- (BSE, BSF, BSX, BUD)
15
22 - Fuse 22 on fuse
holder B -SB22-
5 A -- Clutch position sender -G476- (only models
with manual gearbox)
15
23 - Fuse 23 on fuse
holder B -SB23-
5 A ---- Secondary air pump relay -J299- (BSE, BSF)
Exhaust gas recirculation valve -N18- (BDJ,
BST, BJB)
Charge pressure control solenoid valve -N75-
(BJB)
Exhaust gas recirculation cooler change-over
valve -N345- (BJB, BLS, BSU)
15
23 - Fuse 23 on fuse
holder B -SB23-
10 A ----- Fuel tank shut-off valve 1 -N361- (BSX)
Fuel tank shut-off valve 2 -N362- (BSX)
Fuel tank shut-off valve 3 -N363- (BSX)
Fuel tank shut-off valve 4 -N429- (BSX)
High pressure valve for gas mode -N372-
(BSX)
15
24 - Fuse 24 on fuse
holder B -SB24-
10 A --------- Injector, cylinder 1 -N30- (BSX)
Injector, cylinder 2 -N31- (BSX)
Injector, cylinder 3 -N32- (BSX)
Injector, cylinder 4 -N33- (BSX)
Activated charcoal filter system solenoid
valve 1 -N80- (BSE, BSF, BUD)
Variable intake manifold change-over valve -
N156- (BSE, BSF)
Intake manifold flap motor -V157- (BDJ,
BST)
Radiator fan connection (T4x connector)
15
25 - Fuse 25 on fuse
holder B -SB25-
40 A - Onboard supply control unit -J519- 30
26 - Fuse 26 on fuse
holder B -SB26-
40 A - Onboard supply control unit -J519- 30
27 - Fuse 27 on fuse
holder B -SB27-
40 A --- Glow plug 1 -Q10- (BDJ, BST)
Glow plug 2 -Q11- (BDJ, BST)
Secondary air pump motor -V101- (BSE,
BSF)
87
27 - Fuse 27 on fuse
holder B -SB27-
50 A - Automatic glow period control unit -J179-
(BJB, BLS, BSU)
30
28 - Fuse 28 on fuse
holder B -SB28-
40 A - Terminal 15 voltage supply relay 2 -J681- 30
29 - Fuse 29 on fuse
holder B -SB29-
30 A -- Driver door control unit -J386- (only for
model with electric window regulator)
Front passenger door control unit -J387- (only
for model with electric window regulator)
30
30 - Fuse 30 on fuse
holder B -SB30-
30 A
50 A
-
----
Fuse SC18 - SC19 on fuse holder C -SC-
(applies to special vehicle only)
Fuse SC36 - SC38 on fuse holder C -SC-
(applies to special vehicle only)
Fuse SC53 - SC56 on fuse holder C -SC-
(applies to special vehicle only)
Auxiliary heater element -Z35- (only models
with PTC (Positive Temperature Coefficient)
heater, from September 2007)
30
Fuse locations on
fuse holder B -
SB- , from May
2008
No. Current Flow
Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse
holder B -SB1-
- - Vacant -
2 - Fuse 2 on fuse
holder B -SB2-
- - Vacant -
3 - Fuse 3 on fuse
holder B -SB3-
5 A - Onboard supply control unit -J519- 30
4 - Fuse 4 on fuse
holder B -SB4-
30 A - ABS control unit -J104- 30
5 - Fuse 5 on fuse
holder B -SB5-
15 A - Mechatronic unit for dual clutch gearbox -
J743- (only models with direct shift
30
gearbox)
6 - Fuse 6 on fuse
holder B -SB6-
5 A - Control unit in dash panel insert -J285-
(applicable up to November 2008)
Steering column electronics control unit -
J527- (applicable up to November 2008)
30
6 - Fuse 6 on fuse
holder B -SB6-
- - Vacant (applicable from November 2008) -
7 - Fuse 7 on fuse
holder B -SB7-
40 A - Terminal 15 voltage supply relay 2 -J681- 30
8 - Fuse 8 on fuse
holder B -SB8-
15 A -
-
Control unit with display for radio and
navigation system -J503-
Radio -R-
30
9 - Fuse 9 on fuse
holder B -SB9-
5 A - Mobile telephone operating electronics
control unit -J412- (only models with
telephone)
30
10 - Fuse 10 on fuse
holder B -SB10-
5 A --- Terminal 15 voltage supply relay -J329-
(BDJ, BST, BLS, BSU, BJB, BMM, BUD)
Engine control unit -J623- (BUD, BSX)
30
10 - Fuse 10 on fuse
holder B -SB10-
10 A --- Motronic current supply relay -J271-
(BSX)
30
11 - Fuse 11 on fuse
holder B -SB11-
20 A - Auxiliary heater control unit -J364- 30
12 - Fuse 12 on fuse
holder B -SB12-
5 A - Data bus diagnostic interface -J533- 30
13 - Fuse 13 on fuse
holder B -SB13-
30 A - Engine control unit -J623- (BDJ, BST,
BLS, BSU, BJB, BMM)
15
13 - Fuse 13 on fuse
holder B -SB13-
15 A - Engine control unit -J623- (BSE, BSF,
BSX, BUD)
15
14 - Fuse 14 on fuse
holder B -SB14-
20 A ---- Ignition coil 1 with output stage -N70-
(BSX, BUD)
Ignition coil 2 with output stage -N127-
(BSX, BUD)
Ignition coil 3 with output stage -N291-
(BSX, BUD)
Ignition coil 4 with output stage -N292-
(BSX, BUD)
Ignition transformer -N152- (BSE, BSF,
BSX)
15
15 - Fuse 15 on fuse
holder B -SB15-
5 A --- Fuel pump relay -J17- (BDJ, BST, BLS,
BSU, BJB, BMM)
Glow plug relay -J52- (BDJ, BST)
Automatic glow period control unit -J179-
(BLS, BSU, BJB, BMM)
15
15 - Fuse 15 on fuse
holder B -SB15-
10 A --------- Fuel pump switch-off relay -J333- (BSX)
Injector, cylinder 1 -N30- (BUD)
15
Injector, cylinder 2 -N31- (BUD)
Injector, cylinder 3 -N32- (BUD)
Injector, cylinder 4 -N33- (BUD)
Gas injection valve 1 -N366- (BSX)
Gas injection valve 2 -N367- (BSX)
Gas injection valve 3 -N368- (BSX)
Gas injection valve 4 -N369- (BSX)
16 - Fuse 16 on fuse
holder B -SB16-
30 A - Onboard supply control unit -J519- 30
17 - Fuse 17 on fuse
holder B -SB17-
15 A - Treble tone horn -H2- (applicable up to
October 2008)
Bass tone horn -H7- (applicable up to
October 2008)
30
17 - Fuse 17 on fuse
holder B -SB17-
- - Vacant (applicable from November 2008) -
18 - Fuse 18 on fuse
holder B -SB18-
30 A - Special vehicle control unit -J608- 30
19 - Fuse 19 on fuse
holder B -SB19-
30 A - Windscreen wiper motor -V- 30
20 - Fuse 20 on fuse
holder B -SB20-
40 A -- Glow plug 3 -Q12- (BDJ, BST)
Glow plug 4 -Q13- (BDJ, BST)
87
21 - Fuse 21 on fuse
holder B -SB21-
10 A - Lambda probe heater -Z19- (BLS with
particulate filter/preparation for particulate
filter)
15
21 - Fuse 21 on fuse
holder B -SB21-
15 A -- Lambda probe heater -Z19- (BSE, BSF,
BSX, BUD)
Lambda probe 1 heater after catalytic
converter -Z29- (BSE, BSF, BSX, BUD)
15
22 - Fuse 22 on fuse
holder B -SB22-
5 A -- Clutch position sender -G476- (only
models with manual gearbox)
15
23 - Fuse 23 on fuse
holder B -SB23-
5 A ---- Secondary air pump relay -J299- (BSE,
BSF)
Exhaust gas recirculation valve -N18-
(BDJ, BST, BJB)
Charge pressure control solenoid valve -
N75- (BJB, BLS, BSU, BMM)
Exhaust gas recirculation cooler change-
over valve -N345- (BJB, BLS, BSU,
BMM)
15
23 - Fuse 23 on fuse
holder B -SB23-
10 A ----- Fuel tank shut-off valve 1 -N361- (BSX)
Fuel tank shut-off valve 2 -N362- (BSX)
Fuel tank shut-off valve 3 -N363- (BSX)
Fuel tank shut-off valve 4 -N429- (BSX)
High pressure valve for gas mode -N372-
(BSX)
15
24 - Fuse 24 on fuse
holder B -SB24-
10 A ------ Injector, cylinder 1 -N30- (BSX)
Injector, cylinder 2 -N31- (BSX)
Injector, cylinder 3 -N32- (BSX)
Injector, cylinder 4 -N33- (BSX)
Activated charcoal filter system solenoid
valve 1 -N80- (BSE, BSF, BUD)
Variable intake manifold change-over valve
-N156- (BSE, BSF)
Intake manifold flap motor -V157- (BDJ,
BST)
Radiator fan connection (T4x connector)
15
25 - Fuse 25 on fuse
holder B -SB25-
40 A - ABS control unit -J104- 30
26 - Fuse 26 on fuse
holder B -SB26-
40 A - Onboard supply control unit -J519- 30
27 - Fuse 27 on fuse
holder B -SB27-
40 A --- Glow plug 1 -Q10- (BDJ, BST)
Glow plug 2 -Q11- (BDJ, BST)
Secondary air pump motor -V101- (BSE,
BSF)
87
27 - Fuse 27 on fuse
holder B -SB27-
50 A - Automatic glow period control unit -J179-
(BJB, BLS, BSU, BMM)
30
28 - Fuse 28 on fuse
holder B -SB28-
- - Vacant -
29 - Fuse 29 on fuse
holder B -SB29-
30 A ---- Fuse SC18 - SC19 on fuse holder C -SC-
(applies to special vehicle only)
Fuse SC35 - SC39 on fuse holder C -SC-
(applies to special vehicle only)
Fuse SC57 - SC58 on fuse holder C -SC-
(applies to special vehicle only)
30
30 - Fuse 30 on fuse
holder B -SB30-
50 A - Fuse SC39 - SC41 on fuse holder C -SC-
(trailer operation only)
30
Fuse locations on
fuse holder B -
SB- from May
2009
No. Current Flow
Diagram
designation
Nominal
value
Function/component Terminal
1 - Fuse 1 on fuse
holder B -SB1-
- - Vacant -
2 - Fuse 2 on fuse
holder B -SB2-
- - Vacant -
3 - Fuse 3 on fuse
holder B -SB3-
5 A - Onboard supply control unit -J519- 30
4 - Fuse 4 on fuse
holder B -SB4-
30 A - ABS control unit -J104- 30
5 - Fuse 5 on fuse
holder B -SB5-
15 A - Mechatronic unit for dual clutch gearbox -
J743- (only models with direct shift gearbox)
30
6 - Fuse 6 on fuse
holder B -SB6-
- - Vacant -
7 - Fuse 7 on fuse
holder B -SB7-
40 A - Terminal 15 voltage supply relay 2 -J681- 30
8 - Fuse 8 on fuse
holder B -SB8-
15 A -
-
Control unit with display for radio and
navigation system -J503-
Radio -R-
30
9 - Fuse 9 on fuse
holder B -SB9-
5 A - Mobile telephone operating electronics
control unit -J412- (only models with
telephone, applicable up to May 2009)
30
10 - Fuse 10 on fuse
holder B -SB10-
5 A - Terminal 15 voltage supply relay -J329-
(BDJ, BST, BLS, BSU, BJB, BMM, CHWA)
30
10 - Fuse 10 on fuse
holder B -SB10-
10 A --- Main relay -J271- (BSX)
Engine control unit -J623- (BUD, BSX)
Terminal 15 voltage supply relay -J329-
(BUD)
30
11 - Fuse 11 on fuse
holder B -SB11-
20 A - Auxiliary heater control unit -J364- 30
12 - Fuse 12 on fuse
holder B -SB12-
5 A - Data bus diagnostic interface -J533-
(applicable up to May 2009)
30
12 - Fuse 12 on fuse
holder B -SB12-
- - Vacant -
13 - Fuse 13 on fuse
holder B -SB13-
30 A - Engine control unit -J623- (BDJ, BST, BLS,
BSU, BJB, BMM, CHWA)
15
13 - Fuse 13 on fuse
holder B -SB13-
15 A - Engine control unit -J623- (BSE, BSF, BSX,
BUD)
15
14 - Fuse 14 on fuse
holder B -SB14-
20 A ---- Ignition coil 1 with output stage -N70- (BSX,
BUD)
Ignition coil 2 with output stage -N127-
(BSX, BUD)
Ignition coil 3 with output stage -N291-
(BSX, BUD)
Ignition coil 4 with output stage -N292-
(BSX, BUD)
Ignition transformer -N152- (BSE, BSF)
15
15 - Fuse 15 on fuse
holder B -SB15-
5 A --- Fuel pump relay -J17- (BDJ, BST, BLS,
BSU, BJB, BMM,CHWA)
Glow plug relay -J52- (BDJ, BST)
Automatic glow period control unit -J179-
(BLS, BSU, BJB, BMM, CHWA)
15
15 - Fuse 15 on fuse
holder B -SB15-
10 A --------- Fuel pump switch-off relay -J333- (BSX)
Injector, cylinder 1 -N30- (BUD)
Injector, cylinder 2 -N31- (BUD)
Injector, cylinder 3 -N32- (BUD)
Injector, cylinder 4 -N33- (BUD)
15
Gas injection valve 1 -N366- (BSX)
Gas injection valve 2 -N367- (BSX)
Gas injection valve 3 -N368- (BSX)
Gas injection valve 4 -N369- (BSX)
16 - Fuse 16 on fuse
holder B -SB16-
30 A - Onboard supply control unit -J519- 30
17 - Fuse 17 on fuse
holder B -SB17-
15 A - Treble tone horn -H2- (applicable up to
November 2008)
Bass tone horn -H7- (applicable up to
November 2008)
30
17 - Fuse 17 on fuse
holder B -SB17-
- - Vacant (applicable from November 2008) -
18 - Fuse 18 on fuse
holder B -SB18-
30 A - Special vehicle control unit -J608- 30
19 - Fuse 19 on fuse
holder B -SB19-
30 A - Windscreen wiper motor -V- 30
20 - Fuse 20 on fuse
holder B -SB20-
40 A -- Glow plug 3 -Q12- (BDJ, BST)
Glow plug 4 -Q13- (BDJ, BST)
87
20 - Fuse 20 on fuse
holder B -SB20-
10 A - Fuel pump relay -J17- (BSX) (applicable
from May 2009)
15
21 - Fuse 21 on fuse
holder B -SB21-
10 A - Lambda probe heater -Z19- (BLS with
particulate filter/preparation for particulate
filter)
15
21 - Fuse 21 on fuse
holder B -SB21-
15 A -- Lambda probe heater -Z19- (BSE, BSF, BSX,
BUD)
Lambda probe 1 heater after catalytic
converter -Z29- (BSE, BSF, BSX, BUD)
15
22 - Fuse 22 on fuse
holder B -SB22-
5 A -- Clutch position sender -G476- (only models
with manual gearbox)
15
23 - Fuse 23 on fuse
holder B -SB23-
5 A -- Secondary air pump relay -J299- (BSE, BSF)
Exhaust gas recirculation valve -N18- (BDJ,
BST)
15
23 - Fuse 23 on fuse
holder B -SB23-
10 A ----- Gas Shut-Off Valve Relay -J908- (BSX)
High pressure valve for gas mode -N372-
(BSX)
Exhaust gas recirculation cooler change-over
valve -N345- (BJB, BLS, BSU, BMM,
CHWA)
Charge pressure control solenoid valve -N75-
(BJB, BLS, BSU, BMM, CHWA)
Exhaust gas recirculation valve -N18- (BJB)
15
24 - Fuse 24 on fuse
holder B -SB24-
10 A ------ Injector, cylinder 1 -N30- (BSX)
Injector, cylinder 2 -N31- (BSX)
Injector, cylinder 3 -N32- (BSX)
Injector, cylinder 4 -N33- (BSX)
15
Activated charcoal filter system solenoid
valve 1 -N80- (BSE, BSF, BUD)
Variable intake manifold change-over valve -
N156- (BSE, BSF)
Intake manifold flap motor -V157- (BDJ,
BST)
Radiator fan connection (T4x connector)
25 - Fuse 25 on fuse
holder B -SB25-
40 A - ABS control unit -J104- 30
26 - Fuse 26 on fuse
holder B -SB26-
40 A - Onboard supply control unit -J519- 30
27 - Fuse 27 on fuse
holder B -SB27-
40 A --- Glow plug 1 -Q10- (BDJ, BST)
Glow plug 2 -Q11- (BDJ, BST)
Secondary air pump motor -V101- (BSE,
BSF)
87
27 - Fuse 27 on fuse
holder B -SB27-
50 A - Automatic glow period control unit -J179-
(BJB, BLS, BSU, BMM, CHWA)
30
28 - Fuse 28 on fuse
holder B -SB28-
- - Vacant -
29 - Fuse 29 on fuse
holder B -SB29-
30 A --- Fuse SC18, SC19 on fuse holder C -SC-
(applies to special vehicle taxi only)
Fuse SC35, SC39 on fuse holder C -SC-
(applies to special vehicle police only)
Fuse SC57, SC58 on fuse holder C -SC-
(applies to special vehicle police only)
30
30 - Fuse 30 on fuse
holder B -SB30-
50 A - Fuse SC40 - SC42 on fuse holder C -SC-
(trailer operation only)
30