|
|
AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-290 INSPECTION PROCEDURE 4: Does not Move (Forward or Backward) . COMMENT If the vehicle does not move forward or backward . TROUBLESHOOTING HINTS (THE MOST • Abnormal line pressure • Malfunction of the powertrain • Malfunction of the oil pump • Malfunction of the valve body • Low transmission fluid level • Malfunction of the PCM DIAGNOSIS STEP 1. Check the hydraulic pressure. , Hydraulic Pres- sure Test. If some elements pressures are within the standard YES : Check transmission fluid level and condition. If not OK, repair or replace as necessary, then retest the NO : Go to Step 2. STEP 2. Disassemble and clean the valve body. Replace the valve body assembly if the damages are thought YES : The procedure is complete. STEP 3. Check the transaxle powertrain components. , Planetary Gear , , Differential . Then check the symptom. YES : The procedure is complete. AC001860 AB VALVE AC004468AB PLANETARY GEAR OUTPUT SHAFT DIFFERENTIAL |