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Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System - Service Information (1 Of 3) >> Spiral Cable >> Installation [12/2022 - ] >> Procedure

Installation [12/2022 - ]: Procedure

  1. INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY 
    1. GTY1007018Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A Colored Roller (Visible Type) *B Flat Cable (Visible Type)
      *a Check Window *b Matchmark
      *c Colored Roller *d Top of Flat Cable U-turn
      1. Check that the spiral cable sub-assembly is center position.

        OK

        The connector is at the top.

        The matchmarks are aligned.

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

    2. GTY1006619Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A Colored Roller (Visible Type) *B Flat Cable (Visible Type)
      *a Interlock *b Check Window
      *c Matchmark *d Colored Roller
      *e Top of Flat Cable U-turn - -
      Rotation Direction - -
      1. 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. 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. 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. 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 colored roller or the top of the flat cable U-turn can be checked from the check window.

        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 STEERING SENSOR 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    Remove the steering sensor from the spiral cable sub-assembly only when replacing the spiral cable sub-assembly.
    1. GTY1006836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pin - -
      1. Align the pin to install the steering sensor to the spiral cable sub-assembly.
      2. Attach the claw to install the steering sensor to the spiral cable sub-assembly.
        NOTE:
        • Do not remove the lock pin before the spiral cable sub-assembly is installed to the steering sensor.
        • Do not damage the pins of the spiral cable sub-assembly or guides of the steering sensor.
        • The spiral cable sub-assembly can be rotated up to 30° even when the interlock is engaged. Therefore, make sure that both guides are aligned properly when installing the spiral cable sub-assembly to the steering sensor.
      3. Remove the lock pin from the steering sensor.
  3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 
    1. GTY979334Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    • Do not replace the spiral cable with sensor sub-assembly with the battery connected and the ignition switch on (IG).
    • Do not rotate the spiral cable with sensor sub-assembly with the battery connected and the ignition switch on (IG).
    • When rotating the spiral cable with sensor sub-assembly to check the operation of the spiral cable with sensor sub-assembly (checking for abnormal noise, checking the DTC, Data List, etc.) make sure to perform the inspection with the steering wheel assembly installed.
    1. GTY1016468Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Turns off - -
      1. Check that the ignition switch is off.
      2. Check that the cable is disconnected from the negative (-) auxiliary battery terminal.
        WARNING:
        • Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
        • If the airbag deploys for any reason, it may cause a serious accident.
    2. GTY1016797Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check that the front wheels are facing straight ahead.
      2. Set the turn signal switch to the neutral position.
        NOTE:

        If it is not in the neutral position, the turn signal switch cancel ratchet may snap.

    3. GTY1015463Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Attach the claw and clip to install the spiral cable with sensor sub-assembly.
      2. Connect the 5 connectors.

        HINT: 

        Refer to How to Connect or Disconnect Airbag Connector:

        Refer to HOW TO CONNECT OR DISCONNECT AIRBAG CONNECTOR [11/2020 - ]

  5. REMOVE UPPER STEERING COLUMN COVER 
  6. REMOVE LOWER STEERING COLUMN COVER 
  7. ADJUST SPIRAL CABLE SUB-ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    Do not replace the spiral cable with sensor sub-assembly with the battery connected and the ignition switch on (IG).
    1. GTY1016468Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Turns off - -
      1. Check that the ignition switch is off.
      2. Check that the cable is disconnected from the negative (-) auxiliary battery terminal.
        WARNING:
        • Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
        • If the airbag deploys for any reason, it may cause a serious accident.
    2. GTY1006661Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A Colored Roller (Visible Type) *B Flat Cable (Visible Type)
      *a Check Window *b Colored Roller
      *c Top of Flat Cable U-turn - -
      1. Check that the spiral cable with sensor sub-assembly is center position.

        OK

        The connector is at the top.

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

    3. GTY1006916Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A Colored Roller (Visible Type) *B Flat Cable (Visible Type)
      *a Interlock *b Check Window
      *c Colored Roller *d Top of Flat Cable U-turn
      Rotation Direction - -
      1. If the spiral cable with sensor sub-assembly is not centered, center it.
        NOTE:

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

        • When rotating the spiral cable with sensor sub-assembly, make sure to push on the interlock to release the interlock.
        • Do not turn the spiral cable with sensor sub-assembly using the airbag wire harness.
        • Do not forcibly rotate the part.

        1. While pushing on the interlock indicated in the illustration. Make sure to rotate the spiral cable with sensor 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 cable with sensor sub-assembly may be damaged.

        HINT: 

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

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

        3. While pushing on the interlock, rotate the spiral cable with sensor 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 with sensor sub-assembly may be damaged.

        HINT: 

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

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

        OK

        The connector is at the top.

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

      2. 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.
  8. INSTALL STEERING WHEEL ASSEMBLY 

    Refer to INSTALLATION [11/2020 - 12/2023] , or refer to INSTALLATION [12/2023 - ]

  9. CHECK SRS WARNING LIGHT 

    Refer to OPERATION CHECK [11/2020 - ]

  10. INITIALIZATION AFTER RECONNECTING BATTERY TERMINAL 

    HINT: 

    When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [11/2021 - 12/2023] , or refer to AUTOMATIC LEARNING CHART [12/2023 - ]

  11. CUSTOMIZE POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 HINT: 
    Return the customization settings to the settings before changing them.
    1. Perform the customization settings.

      Refer to CUSTOMIZE PARAMETERS [11/2020 - ]

  12. PERFORM DIAGNOSTIC SYSTEM CHECK 
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