A Malfunction Indicator Lamp (MIL) is used to notify the driver of malfunctions within the monitored powertrain (engine and transaxle) systems that have an effect on emissions.
If there is Open, Short to ground or Short to power in MIL circuit, ECM sets DTC P0650.
Item
Detecting Condition
Possible Cause
DTC Strategy
Circuit continuity check.
Poor connection.
Open or short in power/control circuit.
Instrument cluster.
Enable Conditions
-
Threshold Value
Short circuit to battery, ground, or disconnected.
Diagnostic Time
Continuous.
MIL ON Condition
DTC only.