Jetta Sedan L5-2.5L (BGP) (2005)
/Page-146008.png)
-
Check the electrical harness connector for damage, corrosion, loose or broken terminals.
-
If necessary, repair the wiring connection.
If no malfunctions are found in the wiring and the voltage supply was OK:
-
Perform a road test to verify any electrical repairs.
If the fault does not return:
Repair complete, Generate readiness code. Refer to --> [ Readiness Code ] See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes/Readiness Code.
-
End of diagnosis.
If the fault does return and no malfunction is detected in the wiring and the voltage supply was OK:
-
Replace the Motronic Engine Control Module (ECM) (J220). Refer to --> [ Engine Control Module, Replacing ] See: Service and Repair/Removal
and Replacement/Engine Control Module, Replacing.
-
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. Refer to --> [ Diagnostic Mode 03 - Read DTC Memory ] See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Diagnostic Mode 03 - Read DTC Memory.
2. If necessary, erase the DTC memory. Refer to --> [ Diagnostic Mode 04 - Erase DTC Memory ] See: Powertrain Management/Computers and
Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Diagnostic Mode 04 - Erase DTC Memory.
3. If the DTC memory was erased, generate readiness code. Refer to --> [ Readiness Code ] See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes/Readiness Code.
Engine Control Module, DTC Memory Checking and Erasing
Engine Control Module, DTC Memory Checking and Erasing
Special tools, testers and auxiliary items required
‹› Vehicle diagnostic, testing, and information system (VAS 5051)
Connect the (VAS 5051) as follows:
