Diagnostic Procedure

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

JUDDER UPON TORQUE CONVERTER CLUTCH OPERATION (ET6A-EL, ET6AX-EL, US) DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	VERIFY MALFUNCTION SYMPTOM Is the malfunction symptom at the same level compared to a vehicle of the same model (ET6A-EL, ET6AX-EL vehicles)?	Yes	Symptom troubleshooting is completed.
1		No	Go to the next step.
2	INSPECT SIGNAL PARTS FOR MALFUNCTION Inspect the value at the following PCM PIDs using the M-MDS. (See PID/DATA MONITOR INSPECTION .) APP1 (APP sensor No. 1) APP2 (APP sensor No. 2) ENG_RPM (CKP sensor) Is there any malfunction? (See PID/DATA MONITOR TABLE [PCM (SKYACTIV-G (US))] .)	Yes	Repair or replace any malfunctioning parts according to the inspection result.
2		No	Replace the automatic transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [ET6A-EL (SKYACTIV-G 2.0, SKYACTIV-G 2.5) (US)] .) (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [ET6AX-EL (SKYACTIV-G 2.0, SKYACTIV-G 2.5 (US))] .)