Malfunction Indicator Lamp (MIL), Checking

MIL, Function Check

Function test:
- Switch on ignition: exhaust MIL must light up.

If exhaust MIL does not light up when ignition is switched on:
- 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:
- Start engine and let run at idle: Exhaust MIL must go out after a few seconds.

If exhaust MIL does not go out:
- Perform automatic test sequence. Automatic Test Sequence
- Repair any malfunctions and then erase DTC memory.