Functional check
WARNING: This page is about a different variant/trim than selected.
- Switch ignition on. Malfunction Indicator Lamp (MIL) must light up.
If Malfunction Indicator Lamp (MIL) does not light up with the ignition switched on:
- Check MIL lamp wiring/MIL lamp bulb using wiring diagram.
If OK:
- Check instrument cluster/ECM, and replace if necessary.
- Check DTC memory; if necessary, repair any malfunctions and then erase DTC memory → Diagnostic Trouble Code (DTC) memory, checking and erasing (scan tool functions 02 and 05) .
- Read readiness code → Readiness code (function 15), displaying . If DTC memory has been erased, readiness code must be generated again → Readiness code (function 15), generating .
If the Malfunction Indicator Lamp (MIL) lights up with the ignition switched on, continue check as follows:
- Start engine and run at idle. Malfunction Indicator Lamp (MIL) must go out after a few seconds.
If the Malfunction Indicator Lamp (MIL) does not go out:
- Check DTC memory. If necessary, repair any malfunctions and erase DTC memory → Diagnostic Trouble Code (DTC) memory, checking and erasing (scan tool functions 02 and 05) .
If no DTCs are stored:
- Check MIL lamp wiring using wiring diagram.
If OK:
- Check instrument cluster/ECM, and replace if necessary.
- Check DTC memory; if necessary, repair any malfunctions and then erase DTC memory → Diagnostic Trouble Code (DTC) memory, checking and erasing (scan tool functions 02 and 05) .
- Read readiness code → Readiness code (function 15), displaying . If DTC memory has been erased, readiness code must be generated again → Readiness code (function 15), generating .