Passat Sedan V6-3.6L (BLV) (2008)
If the manufacturers test box is not being used. Perform the following step.
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Remove the Motronic Engine Control Module (ECM) J623
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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
connector
1
58
2
80
3
78
4
79
5
56
6
57
If the specification is not obtained:
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Check the wiring for an open circuit, short circuit to each other, Battery (+), or Ground (GND)
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
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Erase the DTC memory.
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Perform a road test to verify repair.
If the DTC does not return:
Repair complete, Generate readiness code. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive
Cycles and Readiness Codes
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End diagnosis.
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.
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Assembly is performed in the reverse of the removal.
Final procedures
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: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
End of Diagnosis