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AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-223 INSPECTION PROCEDURE 4: Does not Move (forward or backward) COMMENT TROUBLESHOOTING HINTS (The most likely causes for this case:) • Abnormal line pressure • Malfunction of the power train • Malfunction of the oil pump • Malfunction of the valve body • Low A/T fluid level • Malfunction of the PCM DIAGNOSIS STEP 1. Check the hydraulic pressure. Hydraulic Pressure Test. If some elements are within the Q: Are all pressures within the standard value? YES : Check A/T fluid level and condition. If not OK, repair or replace as necessary, then recheck symptom. If NO : Go to Step 2. STEP 2. Disassemble and clean the valve body. . Q: Is the repair possible and the symptom eliminated? YES : Diagnosis is complete. symptom. If the symptom is not eliminated, go to Step STEP 3. Check the transaxle power train components. , Planetary Gear Output Shaft , Differential . Then check the symptom. Q: Is the symptom eliminated? YES : Diagnosis is complete. AC001860 AB VALVE AC004468AB PLANETARY GEAR OUTPUT SHAFT DIFFERENTIAL |