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LAN-70 < DTC/CIRCUIT DIAGNOSIS > [CAN] TCM BRANCH LINE CIRCUIT TCM BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000005241909 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- - A/T assembly - Harness connector F103 - Harness connector M116 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 A/T assembly. 2. Check the resistance between the A/T assembly harness connector terminals. Is the measurement value within the specification? YES >> GO TO 3. NO >> Repair the TCM branch line. 3. CHECK POWER SUPPLY AND GROUND CIRCUIT Check the power supply and the ground circuit of the TCM. Refer to the following. • VK engine models: Is the inspection result normal? YES (Present error)>>Replace the control valve with TCM. (Replace A/T assembly if control valve with TCM is not listed in the latest parts list.) Refer to the following. • VQ engine models: TM-11, "Component Parts Location" • VK engine models: TM-193, "Component Parts Location" YES (Past error)>>Error was detected in the TCM branch line. >> Repair the power supply and the ground circuit. A/T assembly harness connector Resistance ( Ω ) Connector No. Terminal No. F51 3 8 Approx. 54 – 66 |