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LAN-78 < DTC/CIRCUIT DIAGNOSIS > [CAN] E-SUS BRANCH LINE CIRCUIT E-SUS BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000005241917 1. CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the E-SUS control unit for damage, bend and loose connection Is the inspection result normal? YES >> GO TO 2. NO >> Repair the terminal and connector. 2. CHECK HARNESS FOR OPEN CIRCUIT 1. Disconnect the connector of E-SUS control unit. 2. Check the resistance between the E-SUS control unit harness connector terminals. Is the measurement value within the specification? YES >> GO TO 3. NO >> Repair the E-SUS control unit branch line. 3. CHECK POWER SUPPLY AND GROUND CIRCUIT Check the power supply and the ground circuit of the E-SUS control unit. Refer to . Is the inspection result normal? YES (Present error)>>Replace the E-SUS control unit. Refer to YES (Past error)>>Error was detected in the E-SUS control unit branch line. >> Repair the power supply and the ground circuit. E-SUS control unit harness connector Resistance ( Ω ) Connector No. Terminal No. B38 32 29 Approx. 54 – 66 |