Diagnostic procedure

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

STEP	INSPECTION	RESULTS	ACTION
1	Connect the M-MDS to the DLC-2 Switch the ignition to ON (Engine off) Retrieve any DTCs Are there any DTCs displayed?	Yes	DTC is displayed: Go to appropriate the DTC inspection. (See DTC TABLE [MZI-3.7] .)
1		No	No DTC is displayed: Inspect instrument cluster operation (See INSTRUMENT CLUSTER INSPECTION )
2	Verify test results If normal, return to diagnostic index to service any additional symptoms (See SYMPTOM DIAGNOSTIC INDEX [MZI-3.7] .) 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 the PCM if a later calibration is available. Retest