FixVault

Malfunction Indicator Light (MIL)

The MIL is located at the bottom in large right gauge circle of instrument panel, next to trip reset knob. When ignition is first turned on, MIL should come on and remain on for 2 seconds to verify bulb and circuit operation, and then go off.

The Powertrain Control Module (PCM) monitors several different engine control system circuits. If malfunction occurs which affects vehicle emissions, a Diagnostic Trouble Code (DTC) will be stored in PCM. MIL will stay on continuously when PCM enters limp-in mode or identifies a failed emission component. If problem exists which does not affect vehicle emissions, a DTC will be stored in PCM but MIL will not be turned on.

If PCM detects active engine misfire severe enough to cause catalytic converter damage, MIL will flash to warn the driver of possible damage and DTC will be stored.

The PCM will turn off MIL when malfunction is not detected during 3 consecutive trips on all applications except an engine misfire or fuel system monitor.

NOTE: For additional information on engine misfire and fuel system monitor, see ON-BOARD DIAGNOSTICS .

The PCM will turn off MIL when malfunction is not detected during 3 engine misfire or fuel system monitor tests. The PCM performs engine misfire or fuel system monitor tests when engine is operating within 375 RPM and with 10 percent of the load of operating condition at which first malfunction was detected.

NOTE: If MIL does not come on and remain on for 2 seconds and then go off when ignition is first turned on, the bulb or MIL driver circuit (Black/Pink wire) between instrument cluster and PCM connector terminal No. 8 may be defective.