The Malfunction Indicator Lamp (MIL), which is located in the instrument cluster, comes on to notify the driver that there may be a problem with the vehicle and that service is needed. Immediately after the ignition switch turns on, the malfunction indicate that the MIL operates normally and goes off after starting.
ECM sets DTC P0650 if the ECM detects that the MIL control line is open or short circuit to ground or battery line.
Item
Detecting Condition
Possible Cause
DTC Strategy
? Driver stage check
? Open or short between MIL and ECM
? Contact resistance in connectors
? Burned out MIL bulb
Enable Conditions
? Battery voltage > 10V
Threshold Value
? Short to ground or Line break
Diagnostic Time
? 20 sec.