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COMBINATION METER ASSEMBLY TSB Revision CHASSIS ELECTRICAL 54A-60 Past trouble • Carry out diagnosis with particular emphasis on connector(s) or wiring harness in the CAN bus NOTE: For a past trouble, you may not find it by − How to Cope with Intermit- tent Malfunction .) and check the CAN bus lines. You can narrow down the possible ). . TROUBLESHOOTING HINTS • The wiring harness or connectors may have loose, corroded, or damaged terminals, or termi- • Malfunction of ABS-ECU • Malfunction of combination meter DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (MUT-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) • MB991827: MUT-III USB Cable • MB991910: MUT-III Main Harness A (Vehicles with CAN communication system) STEP 1. Using scan tool MB991958, diagnose the CAN bus YES : Go to Step 2. Diagnosis − Can Bus Diagnostic Chart ). On completion, go to Step 6. AC305412 AB MB991910 DATA LINK CONNECTOR MB991824 MB991827 |