Information Bus: Testing and Inspection

TCM-BCM CAN COMMUNICATION CIRCUIT INSPECTION

NOTE:
- When TCM-BCM CAN communication circuit is malfunction, combination meter indicates the following condition at the same time (H27 engine model with A/T only). Be sure to bear this mind when diagnosing trouble.
- POWER indicator turns OFF
- A/T selector position indicator turns OFF
- If POWER indicator and A/T selector position indicator display abnormal condition of TCM/BCM CAN communication circuit described in Description , perform the following procedure.

1. Check TCM-BCM CAN communication circuit referring to DTC B1156 (No. 56): CAN Communication Error (H27 Engine Model with A/T Only).
2. Recheck that the above indicators operate in normal.