CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the No. 2 semiconductor power integration ECU removal/installation are shown below.
| 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 | |
| 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
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.
REMOVE NO. 2 DECK BOARD
DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
REMOVE NO. 2 SEMICONDUCTOR POWER INTEGRATION ECU
| *a | Power Supply Connector |
| *b | Lever Connector |
|
Bolt |
|
Connector |
Remove the bolt.
Disconnect the power supply connector and then the lever connector and remove the No. 2 semiconductor power integration ECU.
Note
First disconnect the power supply connector.
Do not touch the No. 2 semiconductor power integration ECU connector.
When removing the No. 2 semiconductor power integration ECU, take care not to damage it.
Do not use a No. 2 semiconductor power integration ECU that has been dropped or subjected to a strong shock.