DTC B1625/22: Side Airbag Sensor LH Circuit Malfunction: Procedure

1. Turn the power switch off.
   Fig 1: Identifying Side Airbag Sensor Assembly Connector

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

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

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

   Result

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

9. Turn the power switch off.
10. Disconnect the cable from the negative (-) auxiliary battery terminal.
    WARNING:

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

11. Return the side airbag sensor assembly LH and RH to their original positions and connect the connectors.
    TEXT IN ILLUSTRATION
    
    

    *1	Side Airbag Sensor Assembly RH
    *2	Airbag ECU Assembly

B → See step   3 

C → See step   2 

A → See step   4