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Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the steering wheel switch housing removal/installation are shown below.

NECESSARY PROCEDURE AFTER PARTS REMOVED/INSTALLED/REPLACED (FOR HV MODEL)

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function When Necessary Procedures are not Performed Link
Disconnect cable from negative auxiliary battery terminal Perform steering sensor zero point calibration Lane Control System (for HV Model) Refer to INITIALIZATION [06/2018 - 08/2021]
Pre-collision System (for HV Model)
Parking Support Brake System (for HV Model)*
Lighting System (for HV Model)
Memorize steering angle neutral point Parking Assist Monitor System (for HV Model) Refer to INITIALIZATION [06/2018 - 09/2022]
Panoramic View Monitor System (for HV Model) Refer to INITIALIZATION [06/2018 - 09/2022]
Initialize power trunk lid system Power Trunk Lid System (for HV Model) Refer to INITIALIZATION [06/2018 - ]
Removal/installation of the spiral cable with sensor sub-assembly Steering angle zero point learning (Initialize parking support brake system)
  • Parking Support Alert System (for HV Model)
  • Parking Support Brake System (for HV Model)
Refer to CALIBRATION [06/2018 - 08/2021]
  • Steering angle zero point learning (Initialize parking assist monitor system)
  • Steering angle setting
Parking Assist Monitor System (for HV Model) for Initialization
Refer to INITIALIZATION [06/2018 - 09/2022]
for Calibration
Refer to CALIBRATION [06/2018 - 09/2022]
Steering angle zero point learning (Initialize panoramic view monitor system) Panoramic View Monitor System (for HV Model) for Initialization
Refer to INITIALIZATION [06/2018 - 09/2022]
for Calibration
Refer to CALIBRATION [06/2018 - 09/2022]

*: When performing learning using the Techstream.

WARNING:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

GTY571595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Refer to PRECAUTION [06/2018 - 09/2022]

NOTE:
  • After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System)
  • After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Navigation System)
NECESSARY PROCEDURE AFTER PARTS REMOVED/INSTALLED/REPLACED (FOR GASOLINE MODEL)

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Disconnect cable from negative battery terminal Perform steering sensor zero point calibration Lane Control System (for Gasoline Model) Refer to INITIALIZATION [06/2018 - 08/2021]
Pre-collision System (for Gasoline Model)
Parking Support Brake System (for Gasoline Model)*
Lighting System (for Gasoline Model)
Memorize steering angle neutral point Parking Assist Monitor System (for Gasoline Model) Refer to INITIALIZATION [06/2018 - 09/2022]
Panoramic View Monitor System (for Gasoline Model) Refer to INITIALIZATION [06/2018 - 09/2022]
Initialize power trunk lid system Power Trunk Lid System (for Gasoline Model) Refer to INITIALIZATION [06/2018 - ]
Removal/installation of the spiral cable with sensor sub-assembly Steering angle zero point learning (Initialize parking support brake system)
  • Parking Support Alert System (for Gasoline Model)
  • Parking Support Brake System (for Gasoline Model)
Refer to CALIBRATION [06/2018 - 08/2021]
  • Steering angle zero point learning (Initialize parking assist monitor system)
  • Steering angle setting
Parking Assist Monitor System (for Gasoline Model) for Initialization
Refer to INITIALIZATION [06/2018 - 09/2022]
for Calibration
Refer to CALIBRATION [06/2018 - 09/2022]
Steering angle zero point learning (Initialize panoramic view monitor system) Panoramic View Monitor System (for Gasoline Model) for Initialization
Refer to INITIALIZATION [06/2018 - 09/2022]
for Calibration
Refer to CALIBRATION [06/2018 - 09/2022]

*: When performing learning using the Techstream.

WARNING:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

GTY571595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Refer to PRECAUTION [06/2018 - 08/2020] , or refer to PRECAUTION [08/2020 - 09/2022]

NOTE:
  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System)
  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)