Test K: The Malfunction Indicator Lamp (MIL) Is Never/Always On

PINPOINT TEST K: THE MALFUNCTION INDICATOR LAMP (MIL) IS NEVER/ALWAYS ON

K1:

K2-K3:

Normal Operation
The MIL is controlled by the instrument cluster using data sent from the PCM over the CAN circuits.

Possible Causes
- PCM
- instrument cluster