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AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-309 STEP 1. Using scan tool MB991958, check actuator test CAUTION To prevent damage to scan tool MB991958, always turn the Underdrive Solenoid Valve. • An audible clicking or buzzing should be heard when the underdrive solenoid valve is energized. (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 2. Refer to GROUP 23B, Valve Body confirm that the symptom is eliminated. STEP 2. Check when shift shock occurs. When engaging from N to D : Go to Step 3. STEP 3. Check the hydraulic pressure (for underdrive , Hydraulic Pressure Test. Q: Is the hydraulic pressure within the standard value? YES : Go to Step 4. AC303127 AB MB991911 16-PIN MB991827 MB991824 |