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LAN-100 < DTC/CIRCUIT DIAGNOSIS > [CAN] ICC BRANCH LINE CIRCUIT (CHASSIS COMMUNICATION CIRCUIT) ICC BRANCH LINE CIRCUIT (CHASSIS COMMUNICATION CIRCUIT) Diagnosis Procedure INFOID:0000000011009331 1. CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the following terminals and connectors for damage, bend and loose connection (unit side and con- - Distance sensor - Harness connector M77 - Harness connector e105 - Chassis control module Is the inspection result normal? YES >> GO TO 2. NO >> Repair the terminal and connector. 2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 1. Disconnect the connector of chassis control module. 2. Check the continuity between the chassis control module harness connector terminals. Is the inspection result normal? YES >> GO TO 3. NO >> Check the harness and repair the root cause (chassis communication circuit side). Refer to . 3. CHECK HARNESS FOR OPEN CIRCUIT 1. Connect the connector of chassis control module. 2. Disconnect the connector of distance sensor. 3. Check the resistance between the distance sensor harness connector terminals. Is the measurement value within the specification? YES >> GO TO 4. NO >> Repair the distance sensor branch line. 4. CHECK POWER SUPPLY AND GROUND CIRCUIT Check the power supply and the ground circuit of the distance sensor. Refer to . Is the inspection result normal? YES (Present error)>>Replace the distance sensor. Refer to BRC-304, "Removal and Installation" . YES (Past error)>>Error was detected in the distance sensor branch line. >> Repair the power supply and the ground circuit. Chassis control module harness connector Continuity Connector No. Terminal No. M73 11 19 Existed 8 7 Existed Distance sensor harness connector Resistance ( Ω ) Connector No. Terminal No. E78 5 6 Approx. 54 – 66 |