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Home >> Lexus >> 2023 >> ES 250 Base >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System - Service Information >> Navigation Ecu >> Installation [08/2020 - 09/2022] >> Procedure

Installation [08/2020 - 09/2022]: Procedure

  1. INSTALL NAVIGATION ECU 
  2. INSTALL NO. 1 RADIO RECEIVER BRACKET 
    1. Install the No. 1 radio receiver bracket with the 2 screws.
  3. INSTALL NAVIGATION ECU WITH BRACKET 
    1. Engage the 4 claws to temporarily install the navigation ECU with bracket as shown in the illustration.
      GTY779218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Install the 2 screws.
      GTY797888Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the navigation ECU with bracket with the 2 screws.
      GTY797885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL NO. 1 NAVIGATION WIRE 
    1. Connect the 2 connectors to install the No. 1 navigation wire.
  5. INSTALL RADIO RECEIVER ASSEMBLY WITH SWITCH 

    Refer to PROCEDURE - Step 7

  6. INSTALL LOWER INSTRUMENT PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 28 [06/2018 - 08/2021] , or refer to PROCEDURE - Step 33 [08/2021 - ]

  7. INSTALL LOWER INSTRUMENT PANEL LH 

    Refer to PROCEDURE - Step 29 [06/2018 - 08/2021] , or refer to PROCEDURE - Step 34 [08/2021 - ]

  8. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 31 [06/2018 - 08/2021] , or refer to PROCEDURE - Step 36 [08/2021 - ]

  9. INSTALL INSTRUMENT SIDE PANEL RH 

    Refer to PROCEDURE - Step 32 [06/2018 - 08/2021] , or refer to PROCEDURE - Step 37 [08/2021 - ]

  10. INSTALL FRONT DOOR OPENING TRIM COVER RH 

    HINT: 

    Use the same procedure as for the LH side.

    Refer to PROCEDURE - Step 31

  11. INSTALL COWL SIDE TRIM BOARD RH 

    HINT: 

    Use the same procedure as for the LH side.

    Refer to PROCEDURE - Step 32

  12. INSTALL FRONT DOOR SCUFF PLATE RH 

    HINT: 

    Use the same procedure as for the LH side.

    Refer to PROCEDURE - Step 33

  13. INSTALL LOWER INSTRUMENT PANEL 

    Refer to PROCEDURE - Step 37 [06/2018 - 08/2021] , or refer to PROCEDURE - Step 42 [08/2021 - ]

  14. INSTALL UPPER CONSOLE PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  15. INSTALL REAR UPPER CONSOLE PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5

  16. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY 

    for UA80E:

    Refer to PROCEDURE - Step 1

    for P710:

    Refer to PROCEDURE - Step 1

    UB80F:

    Refer to PROCEDURE - Step 1

  17. INSTALL CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 7

  18. INSTALL INSTRUMENT PANEL FINISH PANEL END RH 

    Refer to PROCEDURE - Step 8

  19. INSTALL INSTRUMENT PANEL FINISH PANEL END LH 

    Refer to PROCEDURE - Step 9