volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Throttle Position Sensor|Testing and Inspection|Page 682 > < Engine Controls - Silicone Sealer/Lubricant Precautions|Page 678
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Throttle Position Sensor: Testing and Inspection

Throttle Position Sensor/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: Powertrain Management/Computers and
Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Preliminary Check

Start diagnosis

-

Remove the drivers side storage compartment.

-

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

Throttle Position Sensor|Testing and Inspection|Page 682 > < Engine Controls - Silicone Sealer/Lubricant Precautions|Page 678