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 indicator lamp is lit to 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
? Electrical check
? Open or short between MIL and ECM
? Contact resistance in connectors
? Burned out MIL bulb
Enable Conditions
? 10V < Battery voltage < 16V
Threshold Value
? Short to ground or battery or line break
Diagnostic Time
? 10 sec.
MIL On Condition
? -