CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed, installed or replaced during the airbag ECU assembly 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
Note
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 CONSOLE BOX ASSEMBLY
REMOVE AIRBAG ECU ASSEMBLY
Check that the engine switch is off.
Check that the cable is disconnected from the negative (-) battery terminal.
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
If this procedure is performed without disconnecting the negative (-) battery terminal of the battery, the airbag may deploy even if an impact is applied only to the airbag ECU assembly. Therefore, make sure that the negative (-) battery terminal of the battery is disconnected before performing this procedure.
| *a | Lock Lever |
|
Bolt |
|
Airbag Connector |
|
Push in this Direction |
|
Release in this Direction |
Disconnect the airbag connector.
Note
When disconnecting any airbag connector, take care not to damage the airbag wire harness.
Push and pull the connector lock lever to release the connector lock as shown in the illustration.
Disconnect the airbag connector.
Remove the 3 bolts and airbag ECU assembly.
Note
If the airbag ECU assembly has been dropped, or there are any cracks, dents or other defects in the case or connector, replace the airbag ECU assembly with a new one.