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MULTI-CENTER DISPLAY TSB Revision CHASSIS ELECTRICAL 54A-263 STEP 1. Using scan tool MB991958, diagnose the CAN bus YES : Go to Step 2. Diagnosis-Can Bus Diagnostic Chart completion, go to Step 5. STEP 2. Using scan tool MB991958, read A/C-ECU YES : Refer to GROUP 55A, Manual A/C Diagnosis − Diagnostic Trouble Code Chart <Low Type>
or Diagnostic Trouble Code Chart <Middle or Auto A/C Diagnostic Trouble Code Chart NO : Go to Step 4. STEP 3. Recheck for diagnostic trouble code. 1. Erase the DTC. Q: Is the check result satisfactory? YES : A poor connection, open circuit or other intermittent malfunction is present in the lines between the ). NO : Replace A/C-ECU and then go to step 4. AC305412 AB MB991910 DATA LINK CONNECTOR MB991824 MB991827 |