pep boys master tech hyundai evap

8/9/2019 PEP BOYS Master Tech Hyundai EVAP

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Pep Boys Advanced Import EVAP Diagnosis

webinar

Notes For Tonight's Webinar Is Available At

www.MEAtraining.com/ttcfaq.htm

Audio Through PC Speakers Or By Phone

If Using Phone Audio Call In On # 1 (480) 297-0021

Then Enter Access # 425-104-849

Hyundai EVAP Diagnosis

Training Model

Setting The New Standard InAutomotive Technician Training


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Continuous Relevant Training

Training Customized To The Equipment In The Shop

Focus Is On Results Through Real World Content

Company Wide Support For All Levels Of Technicians

Training Model

On Demand and Live Web Training a

technician can view the from ANY PC

With any type of connection or speakers


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Master Tech Level 2014

Advanced

VERUS LabscopeDiagnostics

Domestic OBD II

EVAPImport Evaporative

Fuel System

Variable Cam

Timing

on demand

e-learning module

live web

based training

Instructor Led

Training

live web basedtraining

on demand

e-learning module

live web

based training

Instructor Led

Training

live web based

training

on demand

e-learning module

live web

based training

Instructor Led

Training

live web based

training

on demand

e-learning module

live web

based training

Instructor Led

Training

live web based

training

Available NOW

Schedule Now

Tuesday October

14th 2014

Make Up Date: Monday

October 20th 2014

Live Web Training 7PM / 9PM EST

7 PM6 PM

7 PM6 PM 9 PM


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Guidelines

Webinar times:

7:00 to 8:00 PM EST 9:00 to 10:00 PM EST

Q and A session at the end ofthe training webinar

HOLD YOUR QUESTIONS TOTHE END!

Questions on this technical

topic only

Any questions aboutadministrative proceduresor course credit forattendance please referthem to your storemanager, technical traineror training manager

3 Poll questions to verifyparticipation only, not usedfor pass or fail

As you complete this course, you will be able to:

Objectives

Understand Hyundai EVAPSystems With Real WorldTesting Techniques.

Quickly And AccuratelyDiagnose Hyundai EVAPSystem Problems.


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Hyundai Santa Fe

Purge Control Solenoid Valve Location

Purge Solenoid


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Purge Control Solenoid Valve

Normally Closed

2 Wires, PCM

Controlled

Used For Purge And

During EVAP Monitor

Leak Testing

Purge Solenoid Wiring

12V Power

From Fuse

ECMPurge

Solenoid

Power

Through

Solenoid

Power At PCM

Waiting For PCM To

Duty Cycle Control

The Ground


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Canister Purpose

Charcoal

Canister

Collects Fuel Vapors

and Temporarily

Stores Them

Canister Close (Vent) Solenoid

Normally Open

2 Wire Solenoid, PCM

Controlled

Closes During EVAP

Monitor Leak Check

Canister

Close Valve


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Canister Close Valve Location

Canister Close

Valve (Vent)Solenoid

Canister Close Valve Wiring

12V Power

From Fuse

ECM

Canister Close

Valve (Vent

Solenoid)

Power

Through

Solenoid

Power At PCM

Waiting For PCM To

Control The Ground


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Canister Close Solenoid Energized

13.20 Volts AtCanister Close

Solenoid

PCM Closing(Energizing)

Canister Close

Solenoid

FTP Fuel Tank Pressure Sensor

Fuel Pump

Module

Fuel Tank

Pressure

SensorMeasures Pressure Or

Vacuum In EVAP

System

Used In Testing Of

EVAP System

3 Wires:5 Volt Reference

Signal

Ground


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Accessing Fuel Pump Module

Access UnderRear Seat

RemoveCover

FTP Sensor Location

Fuel Pump

Module

Fuel Tank

Pressure

Sensor


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FTP Voltage Range

Voltage kPa PSI In H20

4.4 4.6 volts -3.75 -0.54 -14.94

1.4 1.6 volts 0.0 0.0 0.0

0.4 0.6 volts +1.25 +0.18 +4.98

Poll Question #1

Fuel

Tank

Pressure

Sensor

5 Volt Power

Supply

Sensor

Ground

Signal 1.3

1.7 Volts @

Atmosphere

With Vacuum

Voltage Goes

Up

1.5 Volts @ Atmosphere

With PressureVoltage Goes

Down

Poll Question #1


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Common Codes

P0441: Incorrect Purge

Flow

P0442: EVAP System

Small Leak

P0444: Purge Control

Valve Circuit Open


Valve Circuit Shorted

P0447: Vent Control

Circuit Open

P0448: Vent Control

Circuit Shorted

P0451: EVAP Pressure

Sensor Range /

Performance


Sensor Low


Sensor High

P0455: EVAP System

Large Leak

P0456: EVAP System

Very Small Leak

EVAP Diagram

Purge

SolenoidCharcoal

Canister

Fuel Tank

Pressure Sensor

Fuel Tank

Air Fi lter

Canister

Close Valve


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Engine Cold

Purge

Solenoid

Manifold

Vacuum

No Vacuum

Should Pass

Fuel Vapors

Generated In TankAre Col lected By

Canister

Normal Purge

PCM Duty Cycles

Purge Solenoid

Vacuum Is Pulling

Fuel Vapors From

Canister Assembly

Canister Close Valve Open

Letting Air Flow In


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IAT: 40F 95F

ECT: 40F 95F

ECT and IAT Within 12F

Of Each Other

Fuel Level: -

Hyundai EVAP Criteria

PCM Testing: Pulling Vacuum

PCM Duty Cycles

Purge Solenoid

PCM Closes Canister

Close Valve

Pulls Vacuum In Entire

System


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PCM Testing: Checking For Leaks

PCM Stops PurgeSolenoid

PCM Keeps Canister

Close Valve Closed

Monitors Vacuum InEntire System

PCM Testing: Checking Vent

PCM Keeps Purge

Solenoid Closed

PCM Opens Canister

Close Valve

Monitors FTP Vacuum

In Entire System

FTP Should Quickly

Return To Atmosphere


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PCM Testing: Passed

PCM Returns To DutyCycling Purge Solenoid

PCM Keeps Canister

Close Valve Open

FTP Should Be AtAtmosphere

Time

Volts

.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0 4 8 12 16

4.5

20 24 28 32 36 40

Target Vacuum Is 3.0 v 3.5 v

No Vacuum To Purge

P0455: Large EVAP Leak


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Time

Volts

.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0 4 8 12 16

4.5

20 24 28 32 36 40


( 6 10 H20 Vacuum)

Unable To Reach Target

P0455: Large Leak

Time

Volts

.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0 4 8 12 16

4.5

20 24 28 32 36 40


Unable To Hold Vacuum

P0442: Small Leak


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Time

Volts

.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0 4 8 12 16

4.5

20 24 28 32 36 40

During Normal Purge, Excessive

Vacuum Is Pulled In System

Normal Vacuum During

Purge Is 4 5 H20 Vacuum

P0446: Vent Blocked

Time

Volts

.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0 4 8 12 16

4.5

20 24 28 32 36 40

Purge Flow When Not Commanded

P0441: Incorrect Purge Flow


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Smoke Testing

Smoke From

Purge Solenoid

Smoke From Gas

Cap

Smoke From Vent

Into System

Using VERUS To Test EVAP


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Purge Solenoid Electrical Codes


Valve Circuit Open


Valve Circuit Shorted

Build Vehicle In Scanner

Build Vehicle And

Click OK


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Engine Off Tests

Choose Engine Off

Tests

Under Functional Tests

Can Activate Canister

Purge Valve


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Command Canister Purge Valve

Commanding PCM

To Duty Cycles

Purge Solenoid

Purge Solenoid

PCM Duty Cycles

Purge Solenoid

12 Volts On

Control Wire

PCM Pulling

Purge To

Ground


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Resistance Testing Purge Solenoid

OL

Purge Must BeUnplugged To Check

Resistance

Resistance Specs:

19 22 Ohms

Testing New Purge Solenoid

12V Power

From Fuse

ECM

PurgeSolenoid

Power

Through

Solenoid

12 volts


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Testing Purge Solenoid Control

12V PowerFrom Fuse

ECM

Purge

Solenoid

Power At PCM

12 volts

Vent Solenoid Electrical Codes

P0447: Vent Control

Circuit Open

P0448: Vent Control

Circuit Shorted


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Can Activate CanisterClose Valve

Command Canister Close Valve

PCM Commanding

Canister Close

Solenoid Closed


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Canister Close Solenoid Energized

13.20 Volts AtCanister Close

Solenoid

PCM Closing(Energizing)

Canister Close

Solenoid


Can Activate Canister

Close Valve - Clocked


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Canister Close Solenoid Clocked

PCM Commanding

Canister Close Solenoid

Duty Cycle Open and

Closed

Vent Commanded

PCM Commanding

Canister Close

Solenoid Duty Cycle

Open and Closed

13.20 Volts At

Canister Close

Solenoid Control

Wire

0 Volts AtCanister Close

Solenoid

Control Wire


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Canister Close Valve (Vent Solenoid)

12V PowerFrom Fuse

ECM

Vent

Solenoid

PCM ControlsVent By

Grounding

12 volts


12V Power

From Fuse

ECM

VentSolenoid

Power

Through

Solenoid

12 volts


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12V PowerFrom Fuse

ECM

Vent

Solenoid

Power Missing

At PCM

0 volts

Broken Wire

Resistance Testing Vent

24 Ohms

Vent Must Be

Unplugged To Check

Resistance

Resistance Specs:

15 40 Ohms


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Testing Fuel Tank Pressure Sensor

ECM

FTP

5 VoltReference

.09 volts

Ground

Signal: 1.5

Volts @

Atmosphere

Using VERUS To Test EVAP System

Can Perform EVAP

Monitor Test


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Beginning Test

Warns It May Take

Up To 10 Minutes

Continue

Conditions Required

Make Sure All

Conditions Are Met

Continue


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Purge Flow Test

Checking For

Purge When Not

Commanding

Purge

Leak Testing

Leak

Testing


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Test Complete

Complete

No Leaks

Or Codes

Poll Question #3

Poll Question #3


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Summary

Quickly and Accurately Findand Repair Problems OnHyundai EVAP Systems

Quickly and Accurately UseScan Tool To Find and SolveProblems on Hyundai EVAP

Systems

I Will Repeat The

Question Anonymously

To The Group

I Am The Only One

To See The

Questions

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Notes Available @ www.MEAtraining.com/ttcfaq.htm

Hyundai EVAP

pep boys master tech hyundai evap

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