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	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Has FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
1		No	Record FREEZE FRAME DATA on the repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Verify related Service Bulletins and/or on-line repair information availability. Is any related Service Bulletins available?	Yes	Perform repair or diagnosis according to the available Service Bulletins. If the vehicle is not repaired, go to the next step.
2		No	Go to the next step.
3	INSPECT BATTERY TERMINAL AND PCM CONNECTOR FOR POOR CONNECTION Switch the ignition off Disconnect battery terminal and PCM connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Is there any malfunction?	Yes	Repair or replace suspected part, then go to Step 5.
3		No	Go to the next step.
4	INSPECT KEEP ALIVE POWER CIRCUIT FOR OPEN CIRCUIT Switch the ignition off. Disconnect battery cables Disconnect PCM connector Check continuity between battery positive terminal (wiring harness-side) and PCM terminal 1V (wiring harness-side) Is there continuity?	Yes	Go to the next step.
4		No	Repair or replace suspected part, then go to the next step.
5	VERIFY TROUBLESHOOTING OF DTC P1633:00 HAS BEEN COMPLETED Make sure to reconnect all disconnected connectors Clear the DTC from the PCM memory using the M-MDS Start the engine. Is the same DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [MZI-3.7] .)
5		No	Go to the next step.
6	VERIFY AFTER REPAIR PROCEDURE Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.7] .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [MZI-3.7] .)
6		No	Troubleshooting completed