NO.2 MIL COMES ON[AJ (3.0L Duratec)]

id0103a7804000

2

MIL comes on

DESCRIPTION

•  MIL is illuminated incorrectly.

POSSIBLE CAUSE

•  MIL is illuminated for emission-related concern (DTCs are stored in PCM)

•  Short to ground circuit between MIL (located on instrument cluster) and PCM

Note

•  If MIL blinks at steady rate, misfire condition could possibly exist.

Diagnostic procedure

STEP	INSPECTION	RESULTS	ACTION
1	• Connect the M-MDS to the DLC–2. • Turn the ignition to the ON position (Engine off). • Retrieve any DTCs. • Is “PASSED” displayed?	Yes	No DTC is displayed: • Go to the next step.
1		No	DTC is displayed: • Go to the appropriate DTC test.
2	• Inspect for the following wiring harnesses and connectors: ― Between PCM terminal 15 and instrument cluster terminal 3C ― Between PCM terminal 16 and instrument cluster terminal 3E Is there any malfunction?	Yes	Repair or replace malfunctioning part.
2		No	Inspect the instrument cluster. (See INSTRUMENT CLUSTER INSPECTION.)
3	• Verify the test results. ― If normal, return to the diagnostic index to service any additional symptoms. ― If malfunction remains, inspect related Service Information and perform repair or diagnosis. • If vehicle is repaired, troubleshooting completed. • If vehicle is not repaired or additional diagnostic information is not available, replace the PCM.

2	MIL comes on
DESCRIPTION	• MIL is illuminated incorrectly.
POSSIBLE CAUSE	• MIL is illuminated for emission-related concern (DTCs are stored in PCM) • Short to ground circuit between MIL (located on instrument cluster) and PCM Note • If MIL blinks at steady rate, misfire condition could possibly exist.