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LAN TCM BRANCH LINE CIRCUIT LAN-281 < COMPONENT DIAGNOSIS > [CAN SYSTEM (TYPE 18)] C D E F G H I J K L B A O P N TCM BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000001333978 1. CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connector of the TCM for damage, bend and loose connection (unit side and 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 TCM. 2. Check the resistance between the TCM 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 Is the inspection result normal? YES (Present error)>>Replace the TCM. Refer to XXX. >> Repair the power supply and the ground circuit. TCM harness connector Resistance ( Ω ) Connector No. Terminal No. E31 5 6 Approx. 54 – 66 |