Check Engine, Service Engine Soon Or ISO Standard Engine Symbol
The Malfunction Indicator Lamp(MIL) (Figure 15) alerts the driver that the Powertrain Control Module (PCM) has detected an OBD II emission-related component or system fault. When this occurs, an OBD II Diagnostic Trouble Code (DTC) will be set.
The MIL is located on the instrument cluster and is labeled CHECK ENGINE, SERVICE ENGINE SOON or ISO standard engine symbol (Figure 16).
Power is supplied to the MIL whenever the ignition switch is in the RUN or START position.
The MIL will remain on in the RUN/START mode as a bulb check during the instrument cluster proveout for approximately 4 seconds .