volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Accelerator Pedal Position Sensor|Testing and Inspection|Page 5416 > < Variable Induction Control Module|Testing and Inspection|Page 5410
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Accelerator Pedal Position Sensor: Testing and Inspection

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 (GND) connections between engine/transmission/chassis OK.

‹› 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 procedure

-

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

Start diagnosis

-

Remove the drivers side storage compartment. Refer to Body Interior.

-

Disconnect the Throttle Position (TP) Sensor (G79)/Accelerator Pedal Position Sensor 2 (G185) 6-pin electrical harness connector.

Checking voltage supply and wiring

-

Switch the ignition on.

-

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

Accelerator Pedal Position Sensor|Testing and Inspection|Page 5416 > < Variable Induction Control Module|Testing and Inspection|Page 5410