Passat Wagon L4-1781cc 1.8L DOHC Turbo (ATW) (2000)
If the exhaust gas warning lamp lights-up with ignition switched on, continue check as follows:
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Start engine and run at idling speed: The exhaust gas warning lamp must go out after a few seconds.
If the exhaust gas warning lamp does not go out:
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Check DTC memory. See: Testing and Inspection
If no fault is stored:
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Read-out the readiness code. See: Testing and Inspection
If the DTC memory has been erased or the engine control unit was disconnected from permanent positive, the readiness code must be generated again.
See: Testing and Inspection