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TSB Revision DIAGNOSTIC TROUBLE CODE PROCEDURES 13Ac-529 DIAGNOSIS Required Special Tool: • MB991502: Scan Tool (MUT-II) STEP 1. Using scan tool MB991502, check data list item 27: CAUTION To prevent damage to scan tool MB991502, always turn the 27, Power Steering Pressure Switch. • If the steering wheel is stopped while idling, "OFF" will be displayed. • If the steering wheel is steered while idling, "ON" will be displayed. (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/ NO : Go to Step 2. STEP 2. Check the power steering fluid level. Q: Are there any abnormalities? YES : Go to Step 3. STEP 3. Check the power steering pressure switch. Q: Are there any abnormalities? YES : Go to Step 4. to Step 7. STEP 4. Check the oil pump pressure . Q: Are there any abnormalities? YES : Go to Step 5. ACX01539 16-PIN MB991502 AC |