CAN

MAIN LINE BETWEEN DLC AND TCM CIRCUIT

Diagnosis Procedure


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 M77
-Harness connector E105
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the harness connectors M77 and E105.
2.Check the continuity between the data link connector and the harness connector.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair the main line between the data link connector and the harness connector M77.

3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the harness connectors E6 and F123.
2.Check the continuity between the harness connectors.





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 data link connector and the TCM.
NO- Repair the main line between the harness connectors E105 and E6.