CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are installed, removed or replaced during the airbag ECU assembly removal/installation are shown below.
| Replacement Part or Procedure | Necessary Procedures | Effects/Inoperative Functions when not Performed | Link |
|---|---|---|---|
| Disconnect cable from negative (-) battery terminal | Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes) | Stop and start system | for 2AR-FE: for 2GR-FKS: |
| Memorize steering angle neutral point | Panoramic view monitor system | ||
| Initialize servo motor | Air conditioning system | ||
| Reset slide door close position | Power slide door system | ||
| Reset back door close position | Back door opener | ||
| Initialize back door lock | Power door lock control system | ||
| Replace airbag ECU assembly |
|
Brake control / Dynamic control systems |
Tech Tips
Use the same procedure for RHD and LHD vehicles.
The procedures listed below are 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 notice before proceeding with work.
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 NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
for LHD:
for RHD:
REMOVE CENTER FLOOR CARPET COVER LH (for Integrated Console Box Type)
REMOVE CENTER FLOOR CARPET COVER RH (for Integrated Console Box Type)
REMOVE CENTER NO. 1 INSTRUMENT CLUSTER FINISH PANEL (for Separate Console Box Type)
REMOVE CENTER NO. 2 INSTRUMENT CLUSTER FINISH PANEL (for Separate Console Box Type)
REMOVE NO. 2 BOX BOTTOM MAT (for Integrated Console Box Type)
REMOVE INSTRUMENT PANEL FINISH PANEL END LH (for Integrated Console Box Type)
REMOVE INSTRUMENT PANEL FINISH PANEL END RH (for Integrated Console Box Type)
REMOVE UPPER INSTRUMENT PANEL FINISH PANEL
for LHD:
for RHD:
REMOVE INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY (for Separate Console Box Type)
REMOVE NO. 2 CONSOLE REAR END PANEL GARNISH (for Integrated Console Box Type)
REMOVE CONSOLE REAR END PANEL SUB-ASSEMBLY (for Integrated Console Box Type)
REMOVE CONSOLE BOX CARPET (for Integrated Console Box Type)
REMOVE CONSOLE BOX ASSEMBLY (for Integrated Console Box Type)
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 (-) 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 (-) terminal of the battery is disconnected before performing this procedure.
| *a | Connector Lock Lever |
| *b | Waterproof Sheet |
|
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.
Do not remove the waterproof sheet.
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.