Toyota Tundra Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. REMOVE UPPER STEERING COLUMN COVER

2. REMOVE LOWER STEERING COLUMN COVER

3. INSPECT TILT MOTOR

(a) Disconnect the connector from the multiplex tilt and telescopic ECU.

*a Component without harness connected

(b) Connect the positive (+) battery terminal to terminal 2 (TIM+) and the negative battery terminal to terminal 1 (TIM-) of the tilt motor connector. Then confirm that the steering wheel tilts up.

OK:

Steering wheel tilts up.

(c) Connect the negative (-) battery terminal to terminal 2 (TIM+) and the positive battery terminal to terminal 1 (TIM-) of the tilt motor connector. Then confirm that the steering wheel tilts down.

OK:

Steering wheel tilts down.

4. INSPECT TELESCOPIC MOTOR

(a) Disconnect the connector from the multiplex tilt and telescopic ECU.

*a Component without harness connected

(b) Connect the positive battery terminal to terminal 1 (TEM+) and the negative battery terminal to terminal 2 (TEM-) of the telescopic motor connector. Then confirm that the steering column contracts.

OK:

Steering column contracts.

(c) Connect the negative battery terminal to terminal 1 (TEM+) and the positive battery terminal to terminal 2 (TEM-) of the telescopic motor connector. Then confirm that the steering column extends.

OK:

Steering column extends.

5. INSTALL LOWER STEERING COLUMN COVER

6. INSTALL UPPER STEERING COLUMN COVER