volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Check wiring from test box socket 54 to instrument cluster for open/short circuit referring to Electrical Wiring Diagrams:

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Check DTC memory, repair malfunctions if necessary and then erase DTC memory.  

See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading
Diagnostic Trouble Codes

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Read readiness code. If the DTC memory has been erased or the Motronic Engine Control Module (ECM) -J220- was disconnected from battery
positive (B+), the readiness code must be generated again.  

See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes  
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes

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