NETWORK GATEWAY ECU REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during central gateway ECU (network gateway ECU) removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Battery terminal is disconnected/reconnected Perform steering sensor zero point calibration Lane departure alert system (w/ Steering Control)

Click here

Pre-collision system
Memorize steering angle neutral point Parking assist monitor system

Click here

Replacement of clearance warning ECU assembly*1 Adjust TOYOTA parking assist-sensor system TOYOTA parking assist-sensor system

Click here


CAUTION:

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

Click here

B0071NY

PROCEDURE


  1. PRECAUTION

    Note

    After turning the ignition 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

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    for 2AR-FE:

    Click here

    for A25A-FKS:

    Click here

    for 2GR-FKS:

    Click here

    CAUTION:


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

    • If an airbag deploys for any reason, it may cause a serious injury.

    B006XLM

  3. REMOVE NO. 1 METER HOOD CLUSTER (for LHD)

    Click here

  4. REMOVE NO. 2 INSTRUMENT PANEL GARNISH SUB-ASSEMBLY (for LHD)

    Click here

  5. REMOVE INSTRUMENT PANEL FINISH PLATE GARNISH (for LHD)

    Click here

  6. REMOVE FRONT DOOR SCUFF PLATE RH (for LHD)

    Tech Tips

    Use the same procedure as for the LH side.

    Click here

  7. REMOVE COWL SIDE TRIM SUB-ASSEMBLY RH (for LHD)

    Tech Tips

    Use the same procedure as for the LH side.

    Click here

  8. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP RH (for LHD)

    Click here

  9. REMOVE INSTRUMENT SIDE PANEL RH (for LHD)

    Click here

  10. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY (for LHD)

    Click here

  11. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY (for LHD, w/ Passenger Side Knee Airbag)

    Click here

  12. REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY (for LHD, w/o Passenger Side Knee Airbag)

    Click here

  13. REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY (for LHD, w/ Passenger Side Knee Airbag)

    Click here

  14. REMOVE ECU INTEGRATION BOX RH (for LHD, w/ ECU Integration Box RH)


    1. Disconnect each connector.

    2. B0070I5

      Disengage the 2 clamps.

    3. Remove the bolt, nut and ECU integration box RH.

  15. REMOVE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) (for LHD, w/o ECU Integration Box RH)


    1. B006XRU

      Disconnect the central gateway ECU (network gateway ECU) connector.

    2. Disengage the clamp.

    3. B006ZHL

      Remove the nut and central gateway ECU (network gateway ECU).

  16. REMOVE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) (for LHD, w/ ECU Integration Box RH)


    1. B0070KK

      Disengage the 2 claws and remove the central gateway ECU (network gateway ECU).

      Note


      • If the ECU integration box is deformed or damaged, replace it.

      • Do not bend the 2 claws more than necessary.

  17. REMOVE NO. 1 METER HOOD CLUSTER (for RHD)

    Tech Tips

    Use the same procedure as for LHD.

    Click here

  18. REMOVE LOWER CENTER INSTRUMENT PANEL FINISH PANEL (for RHD)

    Tech Tips

    Use the same procedure as for LHD.

    Click here

  19. REMOVE FRONT DOOR SCUFF PLATE RH (for RHD)

    Tech Tips

    Use the same procedure as for the LH side.

    Click here

  20. REMOVE COWL SIDE TRIM SUB-ASSEMBLY RH (for RHD)

    Tech Tips

    Use the same procedure as for the LH side.

    Click here

  21. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP RH (for RHD)

    Click here

  22. REMOVE INSTRUMENT SIDE PANEL RH (for RHD)

    Tech Tips

    Use the same procedure as for the LH side.

    Click here

  23. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY (for RHD)

    Click here

  24. REMOVE NO. 2 METER HOOD CLUSTER (for RHD)

    Tech Tips

    Use the same procedure as for LHD.

    Click here

  25. REMOVE HOOD LOCK CONTROL LEVER SUB-ASSEMBLY (for RHD)

    Tech Tips

    Use the same procedure as for LHD.

    Click here

  26. REMOVE NO. 1 INSTRUMENT PANEL SUB-ASSEMBLY (for RHD, w/o Driver Side Knee Airbag)

    Tech Tips

    Use the same procedure as for LHD.

    Click here

  27. REMOVE NO. 1 INSTRUMENT PANEL SUB-ASSEMBLY (for RHD, w/ Driver Side Knee Airbag)

    Tech Tips

    Use the same procedure as for LHD.

    Click here

  28. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY (for RHD, w/ Driver Side Knee Airbag)

    Click here

  29. REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY (for RHD)

    Tech Tips

    Use the same procedure as for LHD.

    Click here

  30. REMOVE ECU INTEGRATION BOX RH (for RHD, w/ ECU Integration Box RH)


    1. Disconnect each connector.

    2. B007028

      Disengage the clamp.

    3. Remove the bolt, 2 nuts and ECU integration box RH.

  31. REMOVE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) (for RHD, w/o ECU Integration Box RH)


    1. B006ZTR

      Disconnect the central gateway ECU (network gateway ECU) connector.

    2. B006YA1

      Remove the nut and central gateway ECU (network gateway ECU).

  32. REMOVE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) (for RHD, w/ ECU Integration Box RH)


    1. B006YDW

      Disengage the 2 claws and remove the central gateway ECU (network gateway ECU).

      Note


      • If the ECU integration box is deformed or damaged, replace it.

      • Do not bend the 2 claws more than necessary.