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Audi 80, Audi 90

CurrentFlow Diagram

No.9

Audi 80 (2.0litrefuel injectionengine,103kW, 16 V, K-Motron 4-cyli nder) ic, Enginecode letters6Afrom June 1990 Positionof relays: also see "Fitting Locations" Relayplatewithfuse holder: Auxiliary relay carrier:

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- Conrrol unitforraotatorrun-on - Bridgeconnectionwith gearbox/relaywith manualgearbox automatic - F uel p u m p l a y re - Radiatorfan relay

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- Oil pressure warningcontrol unit - Radiatorfan stagerelay 3rd

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Fuse colours 30 A - green (white) 25 A- colourless 20 A - y ello w 1 5A - b l u e 10A-red 5A-lightbrown

Edition 08.90 000.5208.53.20

No.9l1Battery, starter, alternator30

GurrentFlowDiagram

Audi 80, Audi 90303l o

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Wiring colours: bl : blue br : brown ge = yellow gn = green gr : grey ;1 : purple ro : red sw = black ws = white

30

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c C1 D T 1an * T 10a -

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Battery Starter Alternator Voltageregulator switch lgnition/starter left single,grey,in enginecompartment, Connector 10 Connector pin, yellow,connectorpointin aux. relaycarrier Eafthingstrap,engine- generator

- Earth point, in batterybox

Edition 08.90 000.5208.53.20

Audi 80, Audi 90Electronicfuel injection, lambda probe

CurrentFlow Diagram

No.9l2

0,5

no

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Wiring colours: bl : blue br = brown ge = yellow gn : green gr : grey ;1 = purple ro = red sw : black w S: whit e

E 17 F4 G 22 G 39 J 204 J 221 N 17 N 71 N 80

-

N 1 15 R T 1a T 1b Tth T 2a T 2i f 2ap -

Starter inhibitorand reversinglightsswitch Reversinglight switch Speedometersender Lambda probe,with heater KE Motroniccontrol unit Control unit for selector lever lock Cold stad valve ldling speed stabilization valve Activatedcharcoalfiltersystem solenoidvalve I (pulsed) Activated charcoal filter system solenoid valve 2 (cut-off valve) Connectionfor radio Connectorsingle,in engine compartment,right Connectorsingle,white, behind dash panel, left Connectorsingle,yellow, behind dash panel, left Connector2 pin, white, behind dash panel, left Connector2 pin, white, behind dash panel, left Connector2 pin, brown, under dash panel (diagnosisplug)

T 3a T 5b T 6d T 10 219 @ @ @ @ @ @ * ** ***

Connector3 pin, red, behind dash panel, left Connector5 pin, in engine compartment,left Connector6 pin, black, behind dash panel Connector10 pin, black,connectorpoint in aux. relay carrier - Heatingfor Lambda probe - Eafih point,on intake manifold - Earth point, behind dash panel, left - Earth connection- 1 -, in front right wiring loom - Earth connection,engine block, in front right wiring loom - Positive(+) connection(15a), in front right wiring loom - Positive connection (+) (15)viafuse 28 in frontright wiring loom - only on vehicleswith automaticgearbox - only on vehicleswith manualgearbox - only with preparationfor radio installation

-

Edition 08.90 000.5208.53.20

No.913

CurrentFlow Diagram

Audi 80,Audi 90

Electronicfuel injection, knock control, fuel pump relay,fuel pump

0,5 b n/ g n

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colours: Wiring : blue bl br : brown ge = yellow gn = green gr = grey 11 : purple ro : red sw: blac k ws = white2324

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ffi,, lr,l.r5 br'

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G4 GO G 61 G 66 J 2O4 f 2 T 3e T 3h T 3y T5 @ @ @

- Firingpointsender -Fuel pump - Knocksensor I - Knocksensorll - KE Motronic controlunit - Connector pin, underrearseat left 2 - Connector pin, green,in enginecompartment, 3 right - Connector pin,blue,in enginecompartment, 3 right - Connector pin, black,in enginecompartment, 3 right - Connector pin, black,connector pointin aux. relaycarrier 5 - Earthpoint,luggageboot,left - Earthconnection, engineblock,in front rightwiringloom - Positive connection (+) (15) via fuse 28 in front rightwiringloom

Edition 08.90 000.5208.53.20

Audi 80, Audi 90Electronicfuel injection

CurrentFlow Diagram

No.91430 l5

x3l

Jzoc

siTio l_ O l2oz r 0,5

I Feri

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Wiring colours: bl = blue br = brown ge : yellow gn : green gr = grey ;1 = purple [O = led sw : black ws = white

43

F 60 F 81 G 19 G 62 J 2O4 N 73 T 2c T 2az T 3d T5 @ @ @

ldlingswitch Fullthrottle switch Potentiometer air flow meter for Senderfor coolanttemperature KE Motroniccontrolunit pressureregulator Differential plug) Connector pin,blue,underdash panel(diagnosis 2 2 Connector pin, black,in enginecompartment, right 3 Connector pin, black,in enginecompartment, right point in aux. relaycarrier Connector pin, black,connector 5 - Earthpoint,on intakemanifold - Earthconnection, engineblock,in frontrightwiringloom - Positive connection (+) (15)via fuse28 in frontrightwiringloom

-

Edition 08.90 000.5208.53.20

No.9l5

CurrentFlow Diagram

Audi 80, Audi 90

Electronic fuel injection, ignition system

3/31 Nzo

Wiring colours: = blue bl br : brown ge : yellow gn = green gr = grey 1; : purple ro = red sw = black ws = white

G 40 J 2O4 N N 70 O P O 527 S 28 @ @ @ @

Halt s ende r KE-Motronic controlunit lgnitioncoil Coilwithfinaloutputstage1 lgnitiondistributor Sparkplugconnector Sparkplugs Fuse in additional fuse holder(enginesystem | - for electronic ignition system) Fuse in additional fuse holder(enginesystem ll - for lambdacontrol) - Earthpoint,on intakemanifold - Earthconnection, engineblock,in frontrightwiringloom - Positive connection (+) (15)via fuse27 in frontrightwiringloom - Positive(+) connection (15)via fuse 28 in front rightwiringloom

-

Edition 08.90 000.5208.53.20

Audi 80, Audi 90Visual and aco_ustic pressurewarning oil

CurrentFlowDiagram

No. 916

0,55l.l l-

0,5Sr{ l-

a l2b/2n l6d/3

[?1

1.,.0bL

TT| /61

|7dr

0,5bL

31

Wiring colours: : blue bl br = brown ge : yellow gn = green gr = grey 11 : purple[O : Igd

sw : black ws = white

F1 F 22 J 114 T 2b T5 T 6d T 10 @ @

Oil pressure switch(1.8bar) Oil pressureswitch(0.3 ba| Oil pressure warning control unit Connector pin,black,underdash panel(diagnosis 2 plug) Connector pin,black,connector point in aux. relaycarrier 5 Connector pin,black,behinddash panel 6 Connector pin,black,connector 10 pointin aux.relaycarrier - Earthconnection 1 -, in front rightwiringloom - Positive connection (+) (15)via tuse27 in frontrightwiringloom

-

Edition 08.90 000.5208.53.20

No.9l730

CurrentFlowDiagram

Audi 80, Audi 90

Dash panel insert, coolant monitor, rev. counter

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