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LAN TCM BRANCH LINE CIRCUIT LAN-205 < DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 4)] C D E F G H I J K L B A O P N TCM BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000006256376 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 F1 - Harness connector E7 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 HARNESS FOR OPEN CIRCUIT 1. Remove the joint connector. Refer to TM-182, "Removal and Installation" 2. Check the continuity between the A/T assembly harness connector side and the TCM harness connector Is the inspection result normal? YES >> GO TO 4. NO >> Replace the joint connector. 4. CHECK POWER SUPPLY AND GROUND CIRCUIT Check the power supply and the ground circuit of the TCM. Refer to Is the inspection result normal? YES (Present error)>>Replace the control valve & TCM. Refer to TM-182, "Removal and Installation" 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 A/T assembly harness connector side TCM harness connector side Continuity Terminal No. Terminal No. 3 3 Existed 8 8 Existed |