Exhaust gas warning lamp MIL (Malfunction Indicator Lamp), significance: Notes
WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2005 Volkswagen Jetta, 2005 Volkswagen GTI, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, and 2003 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
If malfunctions are recognized by the engine control module, they will be indicated by switching on the Malfunction Indicator Lamp (MIL).
Location of Malfunction Indicator Lamp (MIL)
NOTE:
- The Malfunction Indicator Lamp (MIL) can be switched on in the flashing or permanently on mode. The DTC memory must be checked in every case → DTC memory (functions 02 and 05), checking and erasing .
- Flashing: There is a malfunction which can cause damage to catalyst if driven in this condition. In this case the vehicle must not be driven using full performance!
- Permanently on: There is a malfunction which will increase exhaust emission. Check Motronic and/or automatic transmission control modules.
- If the Malfunction Indicator Lamp (MIL) does not light up, even though there is an engine running problem, or a customer has complained, the DTC memory must be checked, because malfunctions which do not switch the Malfunction Indicator Lamp (MIL) on immediately can also be stored.