Lexus IS250 · Service Manual STEERING

INSPECTION

Inspection


INSPECT STEERING COLUMN ASSEMBLY (Tilt Motor)

  1. C106479E01
    Disconnect connector J28 from the multiplex tilt & telescopic ECU.

  1. Inspect the tilt motor.

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

      OK:
      Steering wheel tilts up.

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

      OK:
      Steering wheel tilts down.


INSPECT STEERING COLUMN ASSEMBLY (Telescopic Motor)

  1. C106462E05
    Disconnect connector A from the multiplex tilt & telescopic ECU.

  1. Inspect the telescopic motor.

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

      OK:
      Steering column contracts.

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

      OK:
      Steering column extends.

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