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		ACTION
1	Go to symptom troubleshooting No. 10 "LOW IDLE/STALLS DURING DECELERATION" (See NO. 10 LOW IDLE/STALLS DURING DECELERATION [MZI-3.7] .) Is the engine control system normal?	Yes	Go to NO. 24 "ENGINE STALLS WHEN SHIFTED TO D RANGE, OR IN R POSITION"
1		No	Repair or replace any malfunctioning parts according to the inspection results
2	Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM.