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Passat Sedan V6-3.6L (BLV) (2008)

Powertrain Management > Computers and Control Systems > Electronic Throttle Actuator > Component Information > Locations > Page 2984

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Electronic Throttle Actuator: Testing and Inspection

Diagnostic Procedures

Throttle Position Sensor and Accelerator Pedal Position Sensor 2, Checking

Special tools, testers and auxiliary items required

‹› Multimeter.

‹› Wiring diagram

Test requirement

‹› The Motronic Engine Control Module (ECM) (J623) fuses OK.

‹› Battery voltage at least 12.5 volts.

‹› All electrical consumers such as, lights and rear window defroster, switched off.

‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".

‹› A/C switched off.

‹› Ground connections between engine/transmission/chassis OK.

‹› Ignition off

Test procedure

-

Observe safety precautions. Refer to => [ Safety Precautions ] See: Service Precautions/Safety Precautions

-

Observe Clean Working Conditions. Refer to => [ Clean Working Conditions ] See: Service Precautions/Clean Working Conditions

-

Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Testing and Inspection/Scan Tool Testing
and Procedures/Preliminary Check.

Start diagnosis

‹› Use only gold-plated terminals when servicing the electrical harness connector terminals in Throttle Position (TP) Sensor (G79)/Accelerator Pedal

Position Sensor 2 (G185).

Test sequence

-

Remove the steering column cover. 

-

Disconnect the Throttle Position (TP) Sensor (G79)/Accelerator Pedal Position Sensor 2 (G185) electrical harness connector.

Checking voltage supply and wiring

-

Switch the ignition on.

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Using a multimeter, check the following wiring connections for voltage. 

Powertrain Management > Computers and Control Systems > Electronic Throttle Actuator > Component Information > Locations > Page 2984

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