Jetta L5-2.5L (BGP) (2006)
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4/85
23
Specified value: 1.5 Ohms.
If the specified value was not obtained:
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Check the Motronic Engine Control Module (ECM) Power Supply Relay J271 socket 4/85 to the Motronic Engine Control Module (ECM) J220
electrical harness connector T121 terminal 23 for an open circuit or a short to Battery (+).
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the wiring connection.
If no malfunctions are found in the wiring and the voltage supply was OK:
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Replace the Motronic Engine Control Module (ECM) Power Supply Relay J271.
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Perform a road test to verify repair.
If the fault does not return:
Repair complete, Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness
Codes
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End of diagnosis.
If the fault does return and no malfunction is detected in the wiring and the voltage supply was OK:
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Replace the Motronic Engine Control Module (ECM) J220.
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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. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 03 -
Read DTC Memory
2. If necessary, erase the DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic
Mode 04 - Erase 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.