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

    Installation

    Reassembly

    See More:

    Toyota Tundra Service Manual > Can Communication System: Open in One Side of Bus 5 Branch Line
    DESCRIPTION When the CAN bus main lines are normal (no open, short to ground, short to +B or short between lines) and there is an ECU or sensor on the "Communication Bus Check" screen that is indicated as not communicating or whose connection status on the "Communication Bus Check" screen changes in ...

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