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AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-264 STEP 7. Using scan tool MB991502, check data list item 11: CAUTION To prevent damage to scan tool MB991502, always turn the Throttle Position Sensor. • With the throttle valve in idle position, voltage should be • With the throttle valve in full-open position, voltage (4) Turn the ignition switch to "LOCK" (OFF) position. Q: Is the sensor operating properly? YES : Go to Step 8. , code number 11, 12, 14: Throttle Position Sensor System. Then check the symptom. STEP 8. Disassemble and clean the valve body. . Q: Is the repair possible and the symptom eliminated? YES : Diagnosis is complete. symptom. Go to Step 9. STEP 9. Replace the PCM. Q: Is the symptom eliminated? YES : Diagnosis is complete. AC001252 MB991502 16 PIN AB AC001860 AB VALVE |