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
Checking input signal of engine check lamp every 10 sec. under detecting condition, if open, short to battery or ground is detected, ECM sets P0650.
Item
Detecting Condition
Possible cause
DTC Strategy
Check the MIL
Poor connection
Open or short in MIL circuit
Faulty MIL
Faulty ECM
Enable Conditions
After 0.5 sec under conditions below
Engine works
11V = Battery voltage = 16V
Threshold value
Open or short
Diagnosis Time
Continuous
MIL On Condition
DTC only (NO MIL ON)