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 AND DIAGNOSTIC MONITORING TEST RESULTS HAVE BEEN RECORDED Have FREEZE FRAME DATA and DIAGNOSTIC MONITORING TEST RESULTS (cold start emission reduction strategy monitoring related) been recorded?	Yes	Go to the next step.
1		No	Record FREEZE FRAME DATA and DIAGNOSTIC MONITORING TEST RESULTS on 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 repair information available?	Yes	Perform repair or diagnosis according to the available repair information. If the vehicle is not repaired, go to the next step.
2		No	Go to the next step.
3	IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA Is the P050A:00 on FREEZE FRAME DATA?	Yes	Go to the next step.
3		No	Go to troubleshooting procedures for DTC on FREEZE FRAME DATA. (See DTC TABLE [L5] .)
4	INSPECT INTAKE AIR SYSTEM FOR AIR SUCTION Start the engine. Inspect for air leakage between MAF sensor and intake manifold. Is there any leakage?	Yes	Repair or replace the malfunctioning part according to inspection results, then go to Step 7.
4		No	Go to the next step
5	VERIFY ELECTRONIC THROTTLE CONTROL SYSTEM OPERATION Perform the Electronic Throttle Control System Operation Inspection (See ENGINE CONTROL SYSTEM OPERATION INSPECTION [L5] .) Is there any malfunction?	Yes	Repair or replace the malfunctioning part according to inspection results, then go to Step 7.
5		No	Go to the next step.
6	INSPECT THROTTLE VALVE Switch the ignition to off Remove the throttle valve with connector connected. Access the ETC_DSD PID using the M-MDS. Switch the ignition to ON (engine off). Move the throttle valve using the ETC_DSD PID simulation function. Dose the throttle valve move smoothly?	Yes	Go to the next step.
6		No	Clean or replace the throttle valve and retest, then go to the next step. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L5] .)
7	VERIFY DTC TROUBLESHOOTING COMPLETED Make sure to reconnect all disconnected connectors Clear the DTC from the PCM memory using the M-MDS. Start the engine and warm it up completely. Is the PENDING CODE for this DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [L5] .)
7		No	Go to the next step
8	VERIFY AFTER REPAIR PROCEDURE Perform the "AFTER REPAIR PROCEDURE" (See AFTER REPAIR PROCEDURE [L5] .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [L5] .)
8		No	DTC troubleshooting completed.