CHECK INPUT SIGNAL FOR TCM.

1) Connect the connectors to TCM and transmission.

2) Lift up the vehicle.

3) Start the engine and drive the vehicle at 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 AC voltage between TCM connector terminals.

Connector & terminal

(B55) No. 26 (+) — No. 15 (−):

QUESTION
Is the voltage approx. 2 V or more?
Yes	No
	Replace the rear vehicle speed sensor.