CHECK OUTPUT SIGNAL OF BODY INTEGRATED UNIT.

1) Lift up the vehicle.

2) Start the engine.

3) Set the select lever to the “D” range and slowly increase vehicle speed to above 20 km/h (12 MPH).

NOTE:

The speed difference between the front and rear wheels will illuminate the ABS warning light or VDC warning light, but this does not indicate a malfunction. If the warning light illuminates, delete the ABS or VDC memory after completing the AT control diagnosis.

4) Measure the voltage between body integrated unit and chassis ground.

Connector & terminal

(B279) No. 12 (+) — Chassis ground (−):

QUESTION
Is the voltage less than 1 V?
Yes	No
Check for poor contact in the reverse inhibitor control circuit harness or connectors, and repair the fault location.