Mil Always On: Description
Ignition voltage is supplied directly to Malfunction Indicator Lamp (MIL). Powertrain Control Module (PCM) turns MIL on by grounding MIL control circuit. There should be a steady MIL with ignition on and engine off.
Ignition voltage is supplied directly to Malfunction Indicator Lamp (MIL). Powertrain Control Module (PCM) turns MIL on by grounding MIL control circuit. There should be a steady MIL with ignition on and engine off.