Seat Position Airbag Sensor: Replacement

Wait for 90 seconds after disconnecting the cable to prevent the airbag working.

1. Remove the seat slide position sensor protector from the seat position airbag sensor.

1. Disconnect the connector from the seat position airbag sensor.
2. Using a Torx® socket wrench (T30), remove the Torx® screw and the seat position airbag sensor.
   Fig 1: Removing Seat Position Airbag Sensor

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Check that the ignition switch is off.
2. Check that the battery negative (-) terminal is disconnected.
   CAUTION: After removing the terminal, wait for at least 90 seconds before starting the operation.
3. Using a feeler gauge 1 mm (0.039 in.), install the seat position airbag sensor.
   NOTE:

   • If the seat position airbag sensor has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
   • When installing the seat position airbag sensor, be careful that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.
     Fig 2: Installing Seat Position Airbag Sensor Using Feeler Gauge

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   HINT:

   Be sure that a clearance between the seat position airbag sensor and the seat rail is within 0.6 mm (0.023 in.) to 2 mm (0.079 in.).

4. Using a Torx® socket wrench, tighten the Torx® screw to install the seat position airbag sensor.

   Torque: 8.0 N.m (82 kgf.cm, 71 in.lbf) 

5. Make sure that a clearance between the seat position airbag sensor and the seat rail is within 0.6 mm (0.023 in.) to 2 mm (0.079 in.).
6. Check that there is no looseness in the installation parts of the seat position airbag sensor.
7. Connect the connector to the seat position airbag sensor.

Some systems need initialization when disconnecting the cable from the negative battery terminal.