Passat Sedan V6-3.6L (BLV) (2008)
If the manufacturers test box is not being used. Perform the following step.
Remove the Motronic Engine Control Module (ECM) J623
Using a Multimeter, check the Throttle Position (TP) Sensor G79 / Accelerator Pedal Position Sensor 2 G185 electrical harness connector
terminals to the Motronic Engine Control Module (ECM) J623 electrical connector T94 for resistance.
Throttle Position (TP) Sensor
Motronic Engine Control Module
G79/Accelerator Pedal Position
(ECM) J623 Electrical harness
GSensor 2185 Electrical harness
T94 terminals or test box socket
If the specification is not obtained:
Check the wiring for an open circuit, short circuit to each other, Battery (+), or Ground (GND)
Check the electrical harness connector for damage, corrosion, loose or broken terminals.
If necessary, repair the faulty wiring connection.
Erase the DTC memory.
Perform a road test to verify repair.
If the DTC does not return:
Repair complete, Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness
If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK:
Replace the Motronic Engine Control Module (ECM) J623.
Assembly is performed in the reverse of the removal.
After repair work, the following work steps must be performed in the mentioned sequence:
1. Check the DTC memory.
2. If necessary, erase the DTC memory.
3. If the DTC memory was erased, generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive
Cycles and Readiness Codes
End of Diagnosis