Diagnostic procedure

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

NO. 2 MIL ILLUMINATES DIAGNOSTIC PROCEDURE

STEP

INSPECTION

RESULTS

ACTION

Connect WDS or equivalent to DLC-2. Turn ignition switch to ON position (Engine off).
Retrieve any DTCs.
Are there any DTCs displayed?

Yes

DTC is displayed:

Go to appropriate DTC test.

No DTC is displayed:

Inspect for short to GND circuit between instrument cluster and PCM terminal 90⁽¹⁾c, 2W⁽²⁾.
Inspect instrument cluster operation.
See INSTRUMENTATION/DRIVER INFO .

Verify test results.

If okay, return to diagnostic index to service any additional symptoms.
If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
- If vehicle is repaired, troubleshooting completed.
- If vehicle is not repaired or additional diagnostic information is not available, reprogram PCM if later calibration is available. Retest.

⁽¹⁾	California emission regulation applicable ATX model

⁽²⁾	Except for California emission regulation applicable ATX model