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 navigation ECU 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 auxiliary battery terminal Memorize steering angle neutral point LKA/LDA system

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Pre-collision system
Parking assist monitor system

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Steering sensor zero point calibration Variable gear ratio steering system

Click here

Navigation ECU Vehicle contract setting G-BOOK function

Click here

Download necessary data

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

Waiting Time before Disconnecting Cable from Negative (-) auxiliary battery Terminal
System Name See Procedure
Vehicle enrolled in telematics system (for G-BOOK) 6 minutes
Vehicle not enrolled in telematics system (for G-BOOK) 1 minute

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.

    B004CGW

    Click here

    Note


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

      Click here

    • 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.

      Click here

  2. REMOVE NO. 2 DECK BOARD

    Click here

  3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

    Click here

    CAUTION:

    B004A52

    • Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary 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 INTEGRATION CONTROL AND PANEL ASSEMBLY

    Click here

  5. REMOVE RADIO RECEIVER ASSEMBLY WITH BRACKET

    Click here

  6. REMOVE NO. 1 RADIO BRACKET

    Click here

  7. REMOVE NO. 2 RADIO BRACKET

    Click here

  8. REMOVE NO. 1 NAVIGATION WIRE


    1. B004AR8

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

  9. REMOVE NO. 1 WIRING HARNESS CLAMP BRACKET


    1. B004ALX

      Remove the screw.

    2. Detach the guide and remove the No. 1 wiring harness clamp bracket.

  10. REMOVE NAVIGATION ECU