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COMBINATION METER ASSEMBLY CHASSIS ELECTRICAL 54A-62 DTC U1112: SRS-ECU Time-out CAUTION If DTC U1112 is set in the combination meter, CAUTION Whenever the ECU is replaced, ensure that the . CIRCUIT OPERATION Refer to . . DTC SET CONDITION The combination meter communicates with the . TECHNICAL DESCRIPTION (COMMENT) Current trouble • Connector(s) or wiring harness in the CAN bus lines between the SRS-ECU and the combination 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 .) and check the CAN bus lines. You can narrow down the possible ). . TROUBLESHOOTING HINTS • Refer to circuit diagrams GROUP- • Refer to configuration diagrams GROUP- • The wiring harness or connectors may have loose, corroded, or damaged terminals, or termi- • Malfunction of SRS-ECU • Malfunction of combination meter DIAGNOSIS Required Special Tools: • MB991958: Diagnostic 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) |