Significance Of Malfunction Indicator Lamp

Malfunction Indicator Lamp (MIL) In Instrument Cluster, Significance

Meaning of exhaust MIL
The Malfunction Indicator Lamp (MIL) lights up when exhaust relevant malfunctions are recognized by the Engine Control Module (ECM).







Installation position of exhaust MIL

NOTE:
The Malfunction Indicator Lamp (MIL) can blink or remain lit continuously. DTC memory must be checked in each case, diagnostic mode 3: Check DTC memory. Diagnostic Mode 3: Check DTC Memory
- Blinking: There is a malfunction that causes damage to the catalytic converter in this driving condition. In this case, vehicle must only be driven at reduced power.
- Continuously lit: There is a malfunction that causes increased emissions. Check DTC memory for Motronic control module.
- DTC memory must still be checked if there are drivability problems or the customer has made a complaint but the MIL is not lit, because malfunctions can be stored without causing the MIL to light immediately.