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WCS SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT WCS-25 < DTC/CIRCUIT DIAGNOSIS > C D E F G H I J K L M B A O P SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT Description INFOID:0000000005524993 Transmits a seat belt buckle switch signal (driver side) to the combination meter. Component Function Check INFOID:0000000005524994 1. CHECK COMBINATION METER INPUT SIGNAL Select the “Data Monitor” for the “METER/M&A” and check the “BUCKLE SW” monitor value. >> INSPECTION END Diagnosis Procedure INFOID:0000000005524995 1. CHECK COMBINATION METER INPUT SIGNAL 1. Turn ignition switch ON. 2. Check voltage between combination meter harness connector terminal and ground. Is the inspection result normal? YES >> Replace combination meter NO >> GO TO 2. 2. CHECK SEAT BELT BUCKLE SWITCH CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect combination meter connector and seat belt buckle switch (driver side) connector. 3. Check continuity between combination meter harness connector terminal and seat belt buckle switch • *1 : Without automatic drive positioner • *2 : With automatic drive positioner 4. Check harness continuity between combination meter harness connector terminal and ground. BUCKLE SW When seat belt is fastened : Off When seat belt is unfastened : On Terminals Condition Voltage (Approx.) (+) (-) Combination meter Ground Connector Terminal M34 35 When seat belt is fastened 12 V When seat belt is unfastened 0 V Terminals Continuity (+) (-) Combination meter Seat belt buckle switch(driver side) Connector Terminal Connector Terminal M34 35 B409 *1 15 *1 Exist B449 *2 40 *2 |