CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during accessory gateway ECU (network gateway ECU) removal/installation are shown below.
| 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) | |
| Pre-collision system | |||
| Memorize steering angle neutral point | Parking assist monitor system | ||
| Replacement of clearance warning ECU assembly*1 | Adjust TOYOTA parking assist-sensor system | TOYOTA parking assist-sensor system |
*1: w/ TOYOTA Parking Assist-sensor System
PROCEDURE
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.
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
REMOVE FRONT DOOR SCUFF PLATE LH
REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH
DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP LH
REMOVE INSTRUMENT SIDE PANEL LH
REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
REMOVE NO. 2 METER HOOD CLUSTER
DISCONNECT HOOD LOCK CONTROL LEVER SUB-ASSEMBLY
REMOVE NO. 1 INSTRUMENT PANEL SUB-ASSEMBLY
REMOVE NO. 1 METER HOOD CLUSTER
REMOVE LOWER CENTER INSTRUMENT PANEL FINISH PANEL
REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY
REMOVE ACCESSORY GATEWAY ECU (NETWORK GATEWAY ECU)
Disconnect the accessory gateway ECU (network gateway ECU) connector.
Disengage the clamp.
Remove the nut and accessory gateway ECU (network gateway ECU).