Passat Wagon L4-1.8L Turbo (AWM) (2003)
Malfunction Indicator Lamp: Testing and Inspection
Malfunction Indicator lamp (MIL), Functional Check
Function test:
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Switch on ignition: exhaust MIL must light up.
If exhaust MIL does not light up when ignition is switched on:
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Check instrument cluster and Malfunction Indicator Lamp (MIL) as follows.
If exhaust MIL does not light up when ignition is switched on, continue test as follows:
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Start engine and let run at idle: Exhaust MIL must go out after a few seconds.
If exhaust MIL does not go out:
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Carry out automatic test sequence.
Refer to "Displaying, Reading and Erasing Trouble Codes/With Manufacturers Scan Tool/Automatic Test Sequence" under "Powertrain
Management/Computers and Control Systems" See: Powertrain Management/Computers and Control Systems/Testing and Inspection
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Repair any malfunctions and then erase DTC memory.