Malfunction Indicator Lamp: Testing and Inspection

Malfunction Indicator Lamp (MIL) In Instrument Cluster

Meaning of exhaust MIL
The Malfunction Indicator Lamp (MIL) lights up when exhaust relevant malfunctions are recognized by the control module for Diesel-Direct fuel injection system.







Component location of exhaust MIL:
1. Exhaust Malfunction Indicator Lamp (MIL)
2. Glow Plug Indicator Light

NOTE:
low Plug Indicator Light has a dual function:
- Blinking: Malfunctions were detected which influence driveability.
- Lighting up when ignition is switched on: Normally appears when starting up a cold diesel engine.
- The exhaust Malfunction Indicator Lamp (MIL) is switched on as soon as malfunctions are detected that worsen emissions. DTC memory must be checked in this case, Diagnostic mode 3: Check DTC memory. Diagnostic Mode 3: Check DTC Memory
- DTC memory must still be checked if there are driveability problems or customer complaints and the MIL is not lit, since malfunctions can be stored without causing the MIL to light immediately.