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LAN MAIN LINE BETWEEN IPDM-E AND A-BAG CIRCUIT LAN-157 < DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 7)] C D E F G H I J K L B A O P N DTC/CIRCUIT DIAGNOSIS MAIN LINE BETWEEN IPDM-E AND A-BAG CIRCUIT Diagnosis Procedure INFOID:0000000012200624 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 (connector side and harness side). - Harness connector E105 - Harness connector M77 Is the inspection result normal? YES >> GO TO 2. NO >> Repair the terminal and connector. 2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 1. Disconnect the following harness connectors. - IPDM E/R - Harness connectors E105 and M77 2. Check the continuity between the IPDM E/R harness connector and the harness connector. Is the inspection result normal? YES >> GO TO 3. NO >> Repair the main line between the IPDM E/R and the harness connector E105. 3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT) Check the continuity between the harness connector and the data link connector. Is the inspection result normal? YES (Present error)>>Check CAN system type decision again. YES (Past error)>>Error was detected in the main line between the IPDM E/R and the air bag diagnosis sen- sor unit. NO >> Repair the main line between the harness connector M77 and the air bag diagnosis sensor unit. IPDM E/R harness connector Harness connector Continuity Connector No. Terminal No. Connector No. Terminal No. E13 27 E105 1 Existed 26 6 Existed Harness connector Data link connector Continuity Connector No. Terminal No. Connector No. Terminal No. M77 1 M4 6 Existed 6 14 Existed |