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SBC-26 < DTC/CIRCUIT DIAGNOSIS > B2458 LOCAL COMM B2458 LOCAL COMM Description INFOID:0000000005241732 Consists of driver seat side control unit and passenger seat side control unit. DTC Logic INFOID:0000000005241733 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. SELF-DIAGNOSIS WITH PRE-CRASH SEAT BELT CONTROL UNIT 1. Turn ignition switch ON. 2. Check “Self-diagnostic result” with CONSULT-III. Is DTC detected? YES >> Refer to . NO >> INSPECTIN END Diagnosis Procedure INFOID:0000000005241734 1. CHECK PRE-CRASH-SEAT BELT CONTROL UNIT (PASSENGER SIDE) Check pre-crash seat belt control unit (passenger side) power supply. Refer to . Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace harness between pre-crash seat belt control unit (passenger side) connector and fusible link. 2. CHECK LOCAL COMMUNICATION LINE CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect pre-crash seat belt control unit (driver side and passenger side) connector. 3. Check continuity between local communication line harness connector. 4. Check continuity between pre-crash seat belt control unit (driver side) harness connector and ground. DTC No. Self-diagnosis item DTC Detection Condition Possible causes B2458 LOCAL COMM Receipt of a malfunction signal between driver seat • Local communication line between driver side control unit and passenger side control unit is • Driver side pre-crash seat belt control unit inter- nal circuit malfunction • Passenger side pre-crash seat belt control unit internal circuit malfunction • Power supply is not supplied to pre-crash seat belt control unit (passenger side) Pre-crash seat belt control unit (driver side) Pre-crash seat belt control unit (passenger side) Continuity Connector Terminal Connector Terminal B9 8 B211 8 Existed 16 16 Pre-crash seat belt control unit (driver side) Ground Continuity Connector Terminal B9 8 Not existed 16 |