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Home >> Lexus >> 2014 >> IS 350 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System - Service Information >> Navigation Ecu >> Removal [09/2020 - ] >> Procedure

Removal [09/2020 - ]: Procedure

  1. PRECAUTION 
    NOTE:
    • After performing any of the following procedures, the navigation system may restart after turning the ignition switch to ACC for the first time (due to radio receiver assembly and navigation ECU certification).
      • Disconnecting and reconnecting the cable from the negative (-) terminal of the battery, replacing the battery, or recharging the battery after being discharged.
      • Removing and installing or replacing the radio receiver assembly or navigation ECU.
    • After replacing the navigation ECU, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the radio receiver assembly.

    Refer to PRECAUTION [09/2020 - ]

  2. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 1 [09/2020 - 11/2021] , or refer to PROCEDURE - Step 1 [11/2021 - ]

  3. REMOVE INSTRUMENT PANEL FINISH PANEL END LH 

    Refer to PROCEDURE - Step 2 [09/2020 - 11/2021] , or refer to PROCEDURE - Step 2 [11/2021 - ]

  4. REMOVE INSTRUMENT PANEL FINISH PANEL END RH 

    Refer to PROCEDURE - Step 3 [09/2020 - 11/2021] , or refer to PROCEDURE - Step 3 [11/2021 - ]

  5. REMOVE FRONT PANEL GARNISH LH 

    Refer to PROCEDURE - Step 4 [09/2020 - 11/2021] , or refer to PROCEDURE - Step 4 [11/2021 - ]

  6. REMOVE FRONT PANEL GARNISH RH 

    Refer to PROCEDURE - Step 5 [09/2020 - 11/2021] , or refer to PROCEDURE - Step 5 [11/2021 - ]

  7. REMOVE CONSOLE PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 8 [09/2020 - 11/2021] , or refer to PROCEDURE - Step 8 [11/2021 - ]

  8. REMOVE RADIO RECEIVER ASSEMBLY WITH BRACKET 

    Refer to PROCEDURE - Step 9

  9. REMOVE NO. 1 NAVIGATION WIRE 
    1. Disconnect the 2 connectors to remove the No. 1 navigation wire.
      GTY970751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE NO. 1 RADIO BRACKET 

    Refer to PROCEDURE - Step 11

  11. REMOVE NO. 2 RADIO BRACKET 

    Refer to PROCEDURE - Step 12

  12. REMOVE RADIO RECEIVER ASSEMBLY 
  13. REMOVE NAVIGATION ECU