A8L Quattro Sedan V8-4.2L (AKB) (2002)
Malfunction Indicator Lamp: Testing and Inspection
5 Speed Automatic 01V FWD
MIL functional check
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Switch ignition on.
The MIL must light up.
If the MIL lights up when the ignition is switched on (with the engine not running):
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Check DTC memory.
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If necessary, check wiring per wiring diagram or replace light bulb.
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Start engine and let idle.
The MIL must be switched off after several seconds.
If the MIL is not switched off after the engine is started:
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Check DTC memory.