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 the FREEZE FRAME DATA been recorded on the repair order?	Yes	Go to the next step.
1		No	Record the 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 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	INSPECT ATF CONDITION Inspect the ATF condition. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION [AW6A-EL] .) Is it normal?	Yes	Go to the next step.
3		No	Replace the ATF, then go to Step 8.
4	INSPECT ATF LEVEL Inspect the ATF level. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION [AW6A-EL] .) Is it normal?	Yes	Go to the next step.
4		No	Add ATF to the specified level, then go to Step 8.
5	INSPECT LINE PRESSURE Perform the "Line Pressures Test". (See MECHANICAL SYSTEM TEST [AW6A-EL] .) Is there any malfunction?	Yes	All ranges: Replace the oil pump, then go to Step 8. Any ranges: Replace the control valve body, then go to Step 8. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AW6A-EL] .)
5		No	Go to the next step.
6	INSPECT STALL SPEED Perform the "Stall Test". (See MECHANICAL SYSTEM TEST [AW6A-EL] .) Is there any malfunction?	Yes	Replace the automatic transaxle, then go to Step 8. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AW6A-EL] .)
6		No	Go to the next step.
7	INSPECT SOLENOID VALVE Inspect the following solenoid valves: (See SOLENOID VALVE INSPECTION [AW6A-EL] .) Line pressure control solenoid Shift solenoid A Shift solenoid B Shift solenoid D Shift solenoid E Shift solenoid F Is there any malfunction?	Yes	Replace malfunctioning part according to test result, then go to the next step.
7		No	Go to the next step.
8	VERIFY TROUBLESHOOTING OF DTC P0730:00 COMPLETED Make sure to reconnect all the disconnected connectors. Clear the DTC using the M-MDS. Perform the following procedure to ensure that the DTC has been resolved: Start the engine. Warm up the engine to normal operating temperature. Drive the vehicle in D range, at 10 km/h {6 mph} or more for 2 s or more. Is the same DTC present?	Yes	Replace the TCM, then go to the next step. (See TCM REMOVAL/INSTALLATION [AW6A-EL] .)
8		No	Go to the next step.
9	VERIFY NO DTC HAS BEEN PRESENTED Perform the "Reading DTCs Procedure". (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [AW6A-EL] .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [AW6A-EL] .)
9		No	DTC troubleshooting completed.