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

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CAUTION:

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

B004CGW

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PROCEDURE


  1. PRECAUTION

    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.

    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.

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    • 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.

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  2. REMOVE NO. 2 DECK BOARD

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  3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

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    CAUTION:

    B004A52

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

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    • 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.

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  4. REMOVE INTEGRATION CONTROL AND PANEL ASSEMBLY

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  5. REMOVE RADIO RECEIVER ASSEMBLY WITH BRACKET

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  6. REMOVE NO. 1 RADIO BRACKET

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  7. REMOVE NO. 2 RADIO BRACKET

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  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