Malfunction Indicator Lamp (MIL) -K83- in instrument cluster, checking
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Functional check on MIL
- Switch ignition on.
- The Malfunction Indicator Lamp (MIL) -K83- for self-diagnosis must illuminate.
- Start engine.
- Shortly after starting the engine the MIL goes out if no exhaust emission related DTC is stored in the DTC memory.
NOTE:
The switch-on signal for the MIL is transferred via CAN-bus to the instrument cluster by the ECM. Check the data exchange between ECM and other CAN-bus control modules. Refer to
Data exchange, Motronic/ABS (CAN-bus), checking