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COMBINATION METER ASSEMBLY TSB Revision CHASSIS ELECTRICAL 54A-88 . CIRCUIT OPERATION The powertrain control module sends ignition signal . TECHNICAL DESCRIPTION (COMMENT) If only the tachometer does not operate, the power- . TROUBLESHOOTING HINTS • Malfunction of the combination meter • The wiring harness or connectors may have loose, corroded, or damaged terminals, or termi- 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) AC305206 CONNECTOR: A-02 AO A-02 (GR) AC305216 B-19 (B) CONNECTOR: B-19, B-23 AF B-23 AC305231 C-02 C-29 C-101 DD CONNECTORS: C-02, C-29, C-101 |