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

1. Turn the ignition 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, and wait for at least 90 seconds.
3. Interchange the side airbag sensor RH (for rear side) with the side airbag sensor LH (for rear side) and connect the connectors to them.
4. Connect the cable to the negative (-) battery terminal.
5. Turn the ignition 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 ignition switch off.
8. Turn the ignition switch on (IG), and wait for at least 60 seconds.
9. Check for DTCs. Refer to DTC CHECK / CLEAR .

   Result

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

   HINT: 

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

B → See step   2 

C → See step   3 

A → See step   4