DTC B1620/21: Side Airbag Sensor RH Circuit Malfunction: Procedure

1. Turn the engine switch off.
   Fig 1: Checking Side Airbag Sensor RH (For Rear Side)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the cable from the negative (-) battery terminal.
   NOTE:

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

3. Interchange the side airbag sensor LH (for rear side) with side airbag sensor RH (for rear side) and connect the connectors.
4. Connect the cable to the negative (-) battery terminal.
5. Turn the engine switch on (IG), and wait for at least 60 seconds.
6. Clear the DTCs stored in the memory. Refer to DTC CHECK / CLEAR .
7. Turn the engine switch off.
8. Turn the engine switch on (IG), and wait for at least 60 seconds.
9. Check for DTCs. Refer to DTC CHECK / CLEAR .

   Result

   Result	Proceed to
   DTC B1620/21 and B1625/22 are not output.	A
   DTC B1625/22 is output.	B
   DTC B1620/21 is output.	C

   TEXT IN ILLUSTRATION
   
   

   *1	Side Airbag Sensor LH (for Rear Side)
   *2	Center Airbag Sensor Assembly

   HINT: 

   Codes other than DTC B1620/21 and B1625/22 may be output at this time, but they are not related to this check.

B → See step   3 

C → See step   4 

A → See step   2