Passat Wagon L4-2.0L Turbo (BPY) (2008)
Checking wiring
If the manufacturers test box is being used. Perform the following step.
-
Install the test box.
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 Intake Flap Motor V157 / Intake Manifold Runner Position Sensor G336 electrical harness connector terminals to
the Motronic Engine Control Module (ECM) J623 electrical harness connector T60 terminals for an open circuit.
Intake Flap Motor V157 / Intake
Motronic Engine Control Module
Manifold Runner Position Sensor
(ECM) J623 electrical harness
G336 electrical harness connector
connector T60 terminals or test
terminals
box sockets
1
37
2
22
3
14
4
49
5
34
Specified value: 1.5 Ohms Max.
If the specification was not obtained:
-
Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
-
Check the electrical harness connector for damage, corrosion, loose or broken terminals.
-
If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring:
-
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
Codes
-
End diagnosis.
If the DTC does return and no malfunction is detected in the wiring and the voltage supply was not OK:
-
Replace the Motronic Engine Control Module (ECM) J623
-
Assembly is performed in the reverse of the removal.
Final Procedures
After the repair work, the following work steps must be performed in the following 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.