DTC B1635/24: Rear Airbag Sensor LH Circuit Malfunction [06/2017 - ]: Procedure

1. Turn the ignition switch off.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Side No. 2 Airbag Sensor Assembly RH
   *2	Side Airbag Sensor Assembly LH

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 No. 2 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 [11/2015 - ] ).
6. Turn the ignition switch off.
7. Turn the ignition switch to ON (IG), and wait for at least 60 seconds.
8. Check for DTCs (Refer to DTC CHECK / CLEAR [11/2015 - ] ).

   Result

   Result	Proceed to
   DTC B1635/24 is output.	A
   DTC B1630/23 is output.	B
   DTCs B1630/23 and B1635/24 are not output.	C

   HINT: 

   Codes other than DTCs B1630/23 and B1635/24 may be output at this time, but they are not related to this check.

9. Turn the ignition 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 No. 2 airbag sensor assembly LH and RH to their original positions and connect the connectors.

4 

A 

REPLACE AIRBAG SENSOR ASSEMBLY 

Refer to REMOVAL [11/2015 - ] )

4 

B 

REPLACE SIDE NO. 2 AIRBAG SENSOR ASSEMBLY LH 

Refer to REMOVAL [11/2015 - ] )

4 

C 

USE SIMULATION METHOD TO CHECK 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2015 - ] )