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LAN-302 < DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 9)] ICC BRANCH LINE CIRCUIT ICC BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000005577213 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- - ICC sensor integrated unit - Harness connector E106 - Harness connector M6 - CAN gateway 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 CAN gateway. 2. Check the continuity between the CAN gateway harness connector terminals. Is the inspection result normal? YES >> GO TO 3. NO >> Check the harness and repair the root cause (CAN communication circuit 2). 3. CHECK HARNESS FOR OPEN CIRCUIT 1. Connect the connector of CAN gateway. 2. Disconnect the connector of ICC sensor integrated unit. 3. Check the resistance between the ICC sensor integrated unit harness connector terminals. Is the measurement value within the specification? YES >> GO TO 4. NO >> Repair the ICC sensor integrated unit branch line. 4. CHECK POWER SUPPLY AND GROUND CIRCUIT Check the power supply and the ground circuit of the ICC sensor integrated unit. Refer to SENSOR INTEGRATED UNIT : Diagnosis Procedure" . Is the inspection result normal? YES (Present error)>>Replace the ICC sensor integrated unit. Refer to . YES (Past error)>>Error was detected in the ICC sensor integrated unit branch line. >> Repair the power supply and the ground circuit. CAN gateway harness connector Continuity Connector No. Terminal No. M125 6 4 Existed 12 10 Existed ICC sensor integrated unit harness connector Resistance ( Ω ) Connector No. Terminal No. E67 3 6 Approx. 54 – 66 |