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AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-287 STEP 4. Disassemble and clean the valve body. Check the O-ring installation bolts for looseness and valve . Replace the valve body assembly if the damages are thought YES : The procedure is complete. STEP 5. Check the underdrive clutch. (2) Check the facing for seizure and the piston seal ring for damage and interference with the retainer. Repair or replace the faulty parts. Refer to GROUP 23B, Underdrive . Then check the symptom. Q: Is the symptom eliminated? YES : The procedure is complete. STEP 6. Replace the PCM. YES : The procedure is complete. INSPECTION PROCEDURE 3: Does not Move Backward . COMMENT . TROUBLESHOOTING HINTS (The most likely • Abnormal reverse clutch pressure • Abnormal low-reverse brake pressure • Malfunction of the low-reverse solenoid valve • Malfunction of the reverse clutch • Malfunction of the low-reverse brake • Malfunction of the valve body • Malfunction of the PCM AC001860 AB VALVE AC001861 |