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Home >> Lexus >> 2016 >> IS 350 Base, AWD >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Column - Service Information >> Heated Steering Wheel Controller >> Removal [10/2016 - 11/2021] >> Procedure

Removal [10/2016 - 11/2021]: Procedure

  1. REMOVE STEERING WHEEL ASSEMBLY 

    Refer to REMOVAL [10/2016 - 11/2021] 

  2. REMOVE CRUISE CONTROL MAIN SWITCH 

    Refer to PROCEDURE - Step 2

  3. REMOVE STEERING PAD SWITCH ASSEMBLY 

    See step  3

  4. REMOVE SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY) 

    for A760H: Refer to PROCEDURE - Step 4

    for AA81E: Refer to PROCEDURE - Step 4

  5. REMOVE STEERING VIBRATION AND HEATER ECU 
    1. Disengage the guide to remove the wire harness from the lower steering wheel cover.
      GTY828130Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect each connector.
    3. Remove the screw.
      GTY833536Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Heater Thermistor
    4. Disengage the 2 claws of the lower steering wheel boss cover.
      NOTE:

      If the heater thermistor comes off the lower steering wheel cover, replace the steering wheel assembly.

      HINT: 

      Do not remove the lower steering wheel boss cover from the steering wheel sub-assembly. Loosen the lower steering boss cover.

    5. Remove the 2 screws.
      GTY776368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
    6. Move the steering vibration and heater ECU until it reaches a position where the connector can be disconnected.
    7. Disconnect the connector to remove the steering vibration and heater ECU from the lower steering wheel cover.
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