NAVIGATION ECU REMOVAL

CAUTION / NOTICE / HINT

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

Necessary Procedures after parts removed / installed / replaced
Replacement Part or Procedure Necessary Procedures Effects / Inoperative when not Performed Link
Disconnect cable from negative battery terminal Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes) Stop and start system

for 8GR-FKS: Click here

for V35A-FTS: Click here

Memorize steering angle neutral point LKA/LDA system

Click here

Parking support brake system*
Pre-collision system
Adaptive high beam system

    Lighting system (EXT)

  • Cornering lights
Variable gear ratio steering system

Click here

Parking assist monitor system

Click here

Panoramic view monitor system

Click here

Initialize rear door sunshade system Rear door sunshade system

Click here

Initialize power trunk lid system Power trunk lid system

Click here

*: When performing learning using the GTS.
Click here Click here

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, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) battery terminal.

Tech Tips


  • Use the same procedure as for the RHD and LHD vehicles.

  • The procedure listed below is for the LHD vehicles.

PROCEDURE


  1. PRECAUTION

    CAUTION:

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

    B006BC1

    Click here

    Note

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Click here

    Note


    • When replacing the radio receiver assembly or navigation ECU, always replace it with a new one.

      If a radio receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:


      • A communication malfunction DTC may be stored.

      • The radio receiver assembly or navigation ECU may not operate normally.

    • After replacing the radio receiver assembly, if the "New software is not compatible with the system. Contact your dealer." on-screen message is displayed on the multi-display, update the software of the navigation ECU.

    • After replacing the navigation ECU, if the "New software is not compatible with the system. Contact your dealer." on-screen message is displayed on the multi-display, update the software of the radio receiver assembly.

  2. REMOVE LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY

    Click here

  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


    CAUTION:

    B006BY6

    • Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

      Click here

    • If the airbag deploys for any reason, it may cause a serious accident.

    Note

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Click here

  4. REMOVE RADIO RECEIVER ASSEMBLY WITH BRACKET

    Click here

  5. REMOVE NO. 1 NAVIGATION WIRE


    1. B006GY2

      Disconnect the 2 connectors and remove the No. 1 navigation wire.

  6. REMOVE NAVIGATION ECU WITH BRACKET


    1. B006AAI

      Remove the 2 screws and navigation ECU with bracket from the radio receiver assembly with bracket.

  7. REMOVE NO. 3 RADIO BRACKET


    1. B006DEV

      Remove the 2 screws and No. 3 radio bracket.

  8. REMOVE NO. 4 RADIO BRACKET


    1. B006EMW

      Remove the 2 screws and No. 4 radio bracket.

  9. REMOVE NAVIGATION ECU