Impala V6-3.8L SC VIN 1 (2005)
Malfunction Indicator Lamp: Testing and Inspection
Malfunction Indicator Lamp (MIL) Always On
MALFUNCTION INDICATOR LAMP (MIL) ALWAYS ON
CIRCUIT DESCRIPTION
Ignition voltage is supplied to the malfunction indicator lamp (MIL). The powertrain control module (PCM) turns the MIL ON by grounding the MIL
control circuit.
TEST DESCRIPTION
Steps 1 - 6
The number below refers to the step number on the diagnostic table.
2. This step determines if the condition is with the MIL control circuit or the PCM.
