|
|
LAN-84 < DTC/CIRCUIT DIAGNOSIS > [CAN] ECM BRANCH LINE CIRCUIT ECM BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000006179146 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- nector side). - ECM - Harness connector E5 - Harness connector F14 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 ECM. 2. Check the resistance between the ECM harness connector terminals. Is the measurement value within the specification? YES >> GO TO 3. NO >> Repair the ECM branch line. 3. CHECK POWER SUPPLY AND GROUND CIRCUIT Check the power supply and the ground circuit of the ECM. Refer to Is the inspection result normal? YES (Present error)>>Replace the ECM. Refer to EC-118, "Procedure After Replacing ECM" YES (Past error)>>Error was detected in the ECM branch line. NO >> Repair the power supply and the ground circuit. ECM harness connector Resistance ( Ω) Connector No. Terminal No. E16 94 86 Approx. 108 – 132 |