CENTER AIRBAG SENSOR ASSEMBLY REMOVAL

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 sensor assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part or Procedure Necessary Procedures Effect/Inoperative when not Performed Link
Disconnect cable from negative battery terminal Memorize steering angle neutral point Lane departure alert system (w/ Steering Control)

Click here

Simple intelligent parking assist system*1
Toyota parking assist-sensor system (w/ Simple Intelligent Parking Assist System)*1
Pre-collision system
Initialize back door lock Power door lock control system

Click here

Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)*2 Stop and start system

Click here

Replacement of the airbag sensor assembly

  1. Clear the zero point calibration data

  2. Perform zero point calibration of the deceleration sensor

 Stop and start system*2

Click here


  1. Reset memory

  2. Deceleration sensor zero point calibration

 Deterioration of fuel efficiency

for K313: Click here

for K313F: Click here

for K114: Click here


  1. Clear zero point calibration data

  2. Perform yaw rate and acceleration sensor zero point calibration

  • DTCs are stored

  • ABS warning light illuminates

  • Slip indicator light illuminates

  • VSC disabled or malfunctions

Click here

*1: When performing learning using the GTS.

Click here

*2: w/ Stop and start system

Tech Tips


  • Use the same procedure for RHD and LHD vehicles.

  • The following procedure is for LHD vehicles.

PROCEDURE


  1. PRECAUTION

    CAUTION:

    Be sure to read Precaution thoroughly before servicing.

    Click here

    B008KCO

    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.

    Click here

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


    CAUTION:


    • B008LDR

      Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

    • If an SRS part is accidentally deployed, it may cause a serious injury.

    Note

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Click here

  3. REMOVE REAR CONSOLE BOX ASSEMBLY

    Click here

  4. REMOVE REAR NO. 2 AIR DUCT (w/ Rear Air Duct)


    1. B008M1RC01
      B008LJK Remove in this direction (1)
      B008KJ9 Remove in this direction (2)

      Disengage the claws to remove the rear No. 2 air duct as shown in the illustration.

  5. REMOVE AIRBAG SENSOR ASSEMBLY


    1. Check that the ignition switch off.

    2. 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.

      B008LDR
    3. B008LCG

      Remove the clip and turn back the front floor carpet assembly as shown in the illustration (for LH side).

    4. B008LQM

      Remove the clip and turn back the front floor carpet assembly as shown in the illustration (for RH side).

    5. B008KNSC01
      B008LJK Release in this direction

      Disconnect the connectors from the airbag sensor assembly as shown in the illustration.

      Note

      When disconnecting any airbag connector, take care not to damage the airbag wire harness.

    6. B008KHQ

      Remove the 3 bolts and airbag sensor assembly.