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C1734 CONTROL UNIT WT-21 < DTC/CIRCUIT DIAGNOSIS > C D F G H I J K L M A B WT N O P Check BCM power supply and ground. Refer to BCS-79, "Removal and Installation" . Are the power supply and grounds normal? YES >> GO TO 4. NO >> Repair power supply or grounds as necessary. 4. CHECK HARNESS BETWEEN BCM AND TIRE PRESSURE RECEIVER 1. Turn ignition switch OFF. 2. Disconnect BCM harness connector and tire pressure receiver harness connector. 3. Check continuity between BCM harness connector M18 (A) and tire pressure receiver harness connector M70 (B). Does continuity exist? YES >> GO TO 5. NO >> Repair circuits as necessary. 5. BCM INPUT/OUTPUT SIGNALS Check BCM input/output signals. Refer to . Are the inputs and outputs normal? YES >> Inspection End. NO >> Replace BCM. Refer to BCS-79, "Removal and Installation" Special Repair Requirement INFOID:0000000010046355 Perform preliminary check. Refer to . ALEIA0013ZZ BCM Tire pressure receiver Continuity Connector Terminal Connector Terminal M18 (A) 45 M70 (B) 1 YES 46 4 47 2 |