Toyota Yaris: Network Gateway Ecu / Removal

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Power Source & Network / Networking / Network Gateway Ecu / Removal

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 the central gateway ECU (network gateway ECU) removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure

Necessary Procedures

Effects/Inoperative when not performed

Link

Central gateway ECU (network gateway ECU)

Update ECU security key

-

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

  • Learning completes when vehicle is driven

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Lane tracing assist system

    Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more.

    Pre-collision system

    Stop and start system

    Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)

  • Learning completes when vehicle is operated normally

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Power door lock control system

    • Back door opener

    Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

    Air conditioning system

    After the ignition switch is turned to ON, the servo motor standard position is recognized.

    -

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal.

Click here

2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

Click here

3. REMOVE CENTER LOWER INSTRUMENT COVER

Click here

4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL

Click here

5. REMOVE SWITCH HOLE BASE SUB-ASSEMBLY

Click here

6. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY

Click here

7. REMOVE CONSOLE BOX ASSEMBLY

Click here

8. REMOVE FRONT DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

Click here

9. REMOVE COWL SIDE TRIM BOARD RH

HINT:

Use the same procedure as for the LH side.

Click here

10. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

Click here

11. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP RH

HINT:

Use the same procedure as for the LH side.

Click here

12. REMOVE NO. 1 INSTRUMENT SIDE PANEL

Click here

13. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY

Click here

14. REMOVE LOWER NO. 2 INSTRUMENT PANEL FINISH PANEL

Click here

15. REMOVE ECU INTEGRATION BOX RH

(a) Disengage clamps and disconnect the 7 connectors.

(b) Remove the bolt and 2 nuts.

(c) Disengage the claws to remove the ECU integration box RH.

16. REMOVE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

(a) Disengage the claws to remove the central gateway ECU (network gateway ECU) as shown in the illustration.

Remove in this Direction

NOTICE:

  • If the ECU integration box LH is deformed or damaged, replace it.
  • Do not bend the claws more than necessary.

    Components

    COMPONENTS ILLUSTRATION *1 COWL SIDE TRIM BOARD RH *2 FRONT DOOR SCUFF PLATE RH *3 FRONT DOOR OPENING TRIM WEATHERSTRIP RH *4 GLOVE COMPARTMENT DOOR ASSEMBLY *5 LOWER NO...

    Installation

    INSTALLATION CAUTION / NOTICE / HINT NOTICE: After performing the update ECU security key procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal...

    Other information:

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    DESCRIPTION If the entry lock function does not operate for the driver door only, but the entry unlock function operates, the request code is being transmitted properly from the driver door. In this case, there may be a problem related to the lock sensor (connection between the certification ECU (smart key ECU assembly) and front door outside handle assembly LH)...

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Diagnostic Trouble Code Chart


    D..

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