NO.2 MIL ILLUMINATES [WITH WU-TWC]


2	MIL ILLUMITATES
DESCRIPTION	The MIL is illuminated incorrectly.
POSSIBLE CAUSE	• The PCM illuminates for an emission-related concern (DTC is stored in PCM) • Instrument cluster malfunction Note • If the MIL blinks at a steady rate, a misfire condition could possibly exist.


STEP	INSPECTION	RESULTS	ACTION
1	Connect the WDS or equivalent to the DLC-2. Retrieve any DTC. Is there a DTC displayed?	Yes	DTC is displayed: • Go to the appropriate DTC test.
1		No	No DTC is displayed: • Inspect the instrument cluster operation.
2	Verify the test results. • If normal, return to the diagnostic index to service any additional symptoms. • If a malfunction remains, inspect related Service information and perform repair or diagnosis. - If the vehicle is repaired, the troubleshooting is completed. - If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM.