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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Cellular Communication System - Service Information >> TELEPHONE AND GPS ANTENNA (for Front Side) >> Removal [08/2021 - 09/2022] >> Caution / Notice / Hint

Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during telephone and GPS antenna assembly removal/installation are shown below.

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

Replaced Part or Performed Procedure Necessary Procedures Effect/Inoperative Function When Necessary Procedures are not Performed Link
Disconnect cable from negative auxiliary battery terminal Perform steering sensor zero point calibration Lane Tracing Assist System Refer to INITIALIZATION [08/2021 - ]
Pre-collision System
Parking Support Brake System*
Lighting System
Memorize steering angle neutral point Parking Assist Monitor System Refer to INITIALIZATION [06/2018 - 09/2022]
Panoramic View Monitor System Refer to INITIALIZATION [06/2018 - 09/2022]
Initialize power trunk lid system Power Trunk Lid System Refer to INITIALIZATION [06/2018 - ]

*: 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 Procedures Effect/Inoperative Function When Necessary Procedures are not Performed Link
Disconnect cable from negative battery terminal Perform steering sensor zero point calibration Lane Tracing Assist System Refer to INITIALIZATION [08/2021 - ]
Pre-collision System
Parking Support Brake System*
Lighting System
Memorize steering angle neutral point Parking Assist Monitor System Refer to INITIALIZATION [06/2018 - 09/2022]
Panoramic View Monitor System Refer to INITIALIZATION [06/2018 - 09/2022]
Initialize power trunk lid system Power Trunk Lid System Refer to INITIALIZATION [06/2018 - ]

*: 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 [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)