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LAN-334 < DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 10)] AFS BRANCH LINE CIRCUIT AFS BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000005577251 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- - AFS control unit - 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 AFS control unit. 3. Check the resistance between the AFS control unit harness connector terminals. Is the measurement value within the specification? YES >> GO TO 4. NO >> Repair the AFS control unit branch line. 4. CHECK POWER SUPPLY AND GROUND CIRCUIT Check the power supply and the ground circuit of the AFS control unit. Refer to . Is the inspection result normal? YES (Present error)>>Replace the AFS control unit. Refer to . YES (Past error)>>Error was detected in the AFS control 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 AFS control unit harness connector Resistance ( Ω ) Connector No. Terminal No. M16 30 7 Approx. 54 – 66 |