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COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR TSB Revision CHASSIS ELECTRICAL 54A-75 DTC U1206: Flag invalid CAUTION If DTC U1206 is set in the combination meter, . CIRCUIT OPERATION . . TROUBLE JUDGMENT . COMMENTS ON TROUBLE SYMPTOM Current trouble • The door switch system of the ETACS-ECU, the ETACS-ECU, or the combination meter may be Past trouble • Carry out diagnosis with particular emphasis on connector(s) or wiring harness between the ). . Possible causes • The wiring harness or connectors may have loose, corroded, or damaged terminals, or termi- • Malfunction of ETACS-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 • MB991911: MUT-III Main Harness A (Vehicles with CAN communication system) |