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 M7
- Harness connector B1

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 M7 and B1.
2. Check the continuity between the data link connector and the harness connector.

   Data link connector | Harness connector | Continuity
   Connector No. | Terminal No. | Connector No. | Terminal No.
   M24 | 6 | M7 | 70 | Existed
   14 | 69 | Existed

Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair the main line between the data link connector and the harness connector M7.
3.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1. Disconnect the connector of TCM.
2. Check the continuity between the harness connector and the TCM harness connector.

   Harness connector | TCM harness connector | Continuity
   Connector No. | Terminal No. | Connector No. | Terminal No.
   B1 | 70 | B45 | 11 | Existed
   69 | 15 | Existed

Is the inspection result normal?
YES (Present error)>>Connect all the connectors and diagnose again. Refer to Trouble Diagnosis Flow Chart.
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 connector B1 and the TCM.