Diagnostic procedure

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NO. 23 TRANSAXLE OVERHEATS (FS5A-EL) DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	INSPECT OIL COOLER PIPE FOR MALFUNCTION Inspect for bending, damage, corrosion or kinks of the oil cooler pipes. Are oil cooler pipes normal?	Yes	Go to the next step.
1		No	Replace any malfunctioning parts.
2	INSPECT FOR TRANSAXLE SLIPPAGE MALFUNCTION Perform the stall test. (See MECHANICAL SYSTEM TEST .) Is the stall speed normal?	Yes	Go to the next step.
2		No	Repair or replace any malfunctioning parts.
3	INSPECT TCM FOR POOR GND Disconnect the TCM connector. Is the resistance between the ground terminal at the TCM connector and the body ground less than 5.0 ohms?	Yes	Go to the next step.
3		No	Repair the open ground circuit. Reconnect the TCM connector.
4	VERIFY IF MALFUNCTION CAUSE IS LINE PRESSURE CONTROL SIGNAL OR TRANSAXLE (INCLUDING CONTROL VALVE BODY) Inspect the value at the following TCM PID using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR INSPECTION .) LPS Is the LPS PID value normal?	Yes	Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE - [FS5A-EL] -- MAZDA6 ) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE - [FS5A-EL] -- MAZDA6 )
4		No	Repair or replace any malfunctioning parts.
5	Verify the test results. If normal, return to the diagnostic index to service any additional symptoms. If the malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM.