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Installation [09/2017 - ]: Procedure

  1. INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY 
    1. Check that the spiral cable sub-assembly is center position.

      OK

      The connector is at the top.

      The matchmarks are aligned.

      The top of the flat cable U-turn can be checked from the check window.

      GTY809509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/o Steering Heater *B w/ Steering Heater
      *a Check Window *b Matchmark
      *c Top of Flat Cable U-turn - -
    2. If the spiral cable sub-assembly is not centered, center it.
      NOTE:

      Failure to observe the following precautions may result in damage to the spiral cable sub-assembly.

      • When rotating the spiral cable sub-assembly, make sure to push on the interlock to release the interlock.
      • Do not turn the spiral cable sub-assembly using the airbag wire harness.
      • Do not forcibly rotate the part.
      1. GTY791204Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Interlock
        Counterclockwise

        While pushing on the interlock indicated in the illustration. Make sure to rotate the spiral cable sub-assembly counterclockwise slowly by hand until it stops.

        NOTE:

        Make sure to rotate the spiral cable sub-assembly counterclockwise. If rotated clockwise, it may be damaged or centering may no longer be possible.

        HINT: 

        The interlock operates at the top and bottom of the connector.

      2. GTY792007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        If the spiral cable sub-assembly stops rotating and the connector has moved past the bottom, return the connector to the bottom as shown in the illustration.

      3. GTY812685Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Interlock
        Clockwise

        While pushing on the interlock, rotate the spiral cable sub-assembly clockwise approximately 2.5 times to move the connector from the bottom to the top.

        NOTE:

        If the connector is rotated clockwise from the bottom 5 times or more, the spiral cable sub-assembly may be damaged.

        HINT: 

        The interlock operates at the top and bottom of the connector.

      4. Check that the spiral cable sub-assembly is center position.

        OK

        The connector is at the top.

        The matchmarks are aligned.

        The top of the flat cable U-turn can be checked from the check window.

        GTY809509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A w/o Steering Heater *B w/ Steering Heater
        *a Check Window *b Matchmark
        *c Top of Flat Cable U-turn - -
        NOTE:

        If the spiral cable sub-assembly cannot be centered, it is possible that the spiral cable sub-assembly is broken. Replace the spiral cable sub-assembly with a new one.

  2. INSTALL SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY 
    NOTE:
    • Do not replace the spiral cable with the battery connected and the engine switch on (IG).
    • Do not rotate the spiral cable with the battery connected and the engine switch on (IG).
    • Ensure that the steering wheel is installed and aligned straight when inspecting the steering sensor.
    1. Check that the engine switch is off.
    2. Check that the cable is disconnected from the negative (-) battery terminal.
      WARNING:
      • Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
        GTY684647Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If the airbag deploys for any reason, it may cause a serious accident.
    3. Check that the front wheels are facing straight ahead.
    4. Engage the claws to install the spiral cable with sensor sub-assembly.
      NOTE:

      When replacing the spiral cable with sensor sub-assembly with a new one, remove the lock pin before installing the steering wheel assembly.

      GTY414698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the connectors.
    6. Connect the airbag connector and check that the slider is in the lock position.
      NOTE:

      When connecting any airbag connector, take care not to damage the airbag wire harness.

      GTY618135Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Slider
  3. INSTALL STEERING COLUMN COVER 

    Refer to PROCEDURE - Step 9

  4. TURN FRONT WHEELS TO FACE STRAIGHT AHEAD 
  5. ADJUST SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY 
    NOTE:

    Do not adjust the spiral cable with the battery connected and the engine switch on (IG).

    1. Check that the engine switch is off.
    2. Check that the cable is disconnected from the negative (-) battery terminal.
      WARNING:
      • Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
        GTY684647Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If the airbag deploys for any reason, it may cause a serious accident.
    3. Check that the spiral with sensor cable sub-assembly is center position.

      OK

      The connector is at the top.

      The matchmarks are aligned.

      The top of the flat cable U-turn can be checked from the check window.

      GTY827364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/o Steering Heater *B w/ Steering Heater
      *a Check Window *b Matchmark
      *c Top of Flat Cable U-turn - -
    4. If the spiral with sensor cable sub-assembly is not centered, center it.
      NOTE:

      Failure to observe the following precautions may result in damage to the spiral with sensor cable sub-assembly.

      • When rotating the spiral with sensor cable sub-assembly, make sure to push on the interlock to release the interlock.
      • Do not turn the spiral with sensor cable sub-assembly using the airbag wire harness.
      • Do not forcibly rotate the part.
      1. GTY804713Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Interlock
        Counterclockwise

        While pushing on the interlock indicated in the illustration. Make sure to rotate the spiral with sensor cable sub-assembly counterclockwise slowly by hand until it stops.

        NOTE:

        If the connector is rotated clockwise from the bottom 5 times or more, the spiral with sensor cable sub-assembly may be damaged.

        HINT: 

        The interlock operates at the top and bottom of the connector.

      2. GTY793637Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        If the spiral with sensor cable sub-assembly stops rotating and the connector has moved past the bottom, return the connector to the bottom as shown in the illustration.

      3. GTY836112Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Interlock
        Clockwise

        While pushing on the interlock, rotate the spiral with sensor cable sub-assembly clockwise approximately 2.5 times to move the connector from the bottom to the top.

        NOTE:

        If the connector is rotated clockwise from the bottom 5 times or more, the spiral with sensor cable sub-assembly may be damaged.

        HINT: 

        The interlock operates at the top and bottom of the connector.

      4. Check that the spiral with sensor cable sub-assembly is center position.

        OK

        The connector is at the top.

        The matchmarks are aligned.

        The top of the flat cable U-turn can be checked from the check window.

        GTY827364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A w/o Steering Heater *B w/ Steering Heater
        *a Check Window *b Matchmark
        *c Top of Flat Cable U-turn - -
        NOTE:

        If the spiral with sensor cable sub-assembly cannot be centered, it is possible that the spiral cable sub-assembly is broken. Replace the spiral cable sub-assembly with a new one.

  6. INSTALL STEERING WHEEL ASSEMBLY 

    Refer to INSTALLATION [09/2017 - ]

  7. ENABLE AUTOAWAY/RETURN FUNCTION 
    1. Restore the autoaway/return function setting to the previous condition by changing the customize parameter.

      Refer to CUSTOMIZE PARAMETERS [10/2015 - ]

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