Passat Wagon L4-2.0L Turbo (BPY) (2008)
Throttle Position Sensor: Testing and Inspection
Throttle Position Sensor G79 And Accelerator Pedal Position Sensor 2 G185, 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.
NOTE: 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. See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Preliminary Check
Start diagnosis
-
Release the tabs - arrows - and remove the steering column cover.
-
Disconnect the Throttle Position (TP) Sensor G79 / Accelerator Pedal Position Sensor 2 G185 electrical harness connector - arrow -.
Checking voltage supply and wiring
-
Switch the ignition on.