CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the network gateway ECU removal/installation are shown below.
| Replacement part or procedure | Necessary procedures | Effects/Inoperative when not performed | Link |
|---|---|---|---|
| Disconnect cable from negative (-) battery terminal | Memorize steering angle neutral point | LKA/LDA system | |
| Pre-collision system | |||
| Parking assist monitor system | |||
| Steering sensor zero point calibration | Variable gear ratio steering system |
Tech Tips
Use the same procedure for RHD and LHD vehicles.
The procedure listed below is for LHD vehicles.
PROCEDURE
PRECAUTION
CAUTION:
Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.
Note
When disassembling the network gateway ECU, eliminate static electricity by touching the vehicle body to prevent the components from being damaged.
After turning the engine 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.
REMOVE NO. 2 DECK BOARD
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
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.
REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY
REMOVE NO. 2 INSTRUMENT PANEL GARNISH SUB-ASSEMBLY
REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
REMOVE FRONT STEERING CONTROL ECU
REMOVE PASSENGER SIDE JUNCTION BLOCK ASSEMBLY WITH NETWORK GATEWAY ECU
|
Nut |
|
Connector |
Detach the clamp and disconnect the wire harness.
Disconnect the 4 connectors.
Remove the 2 nuts.
|
Connector |
Disconnect the 4 connectors and passenger side junction block assembly with network gateway ECU.
|
Connector |
Disconnect the 3 connectors.
Detach the claw and disconnect the instrument panel wire and remove the passenger side junction block assembly with network gateway ECU.
REMOVE NETWORK GATEWAY ECU
|
Remove in this Direction |
Detach the claw and remove the network gateway ECU.
Note
Do not use a network gateway ECU that has been dropped or subjected to a strong shock.