DTC B1630-23: Rear Airbag Sensor RH Circuit Malfunction; DTC B1635-24: Rear Airbag Sensor LH Circuit Malfunction [08/2015 - 08/2019]: Procedure

1. Turn the ignition switch to ON.
2. Clear the DTCs stored in memory (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
3. Turn the ignition switch off.
4. Turn the ignition switch to ON, and wait for at least 60 seconds.
5. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
   RESULT
   
   

   Result	Proceed to
   DTC B1630 and B1635 are not output	A
   DTC B1635 is output	B
   DTC B1630 is output	C

   HINT: 

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

Result: 

A 

USE SIMULATION METHOD TO CHECK 

(Refer to DIAGNOSIS SYSTEM [08/2015 - 08/2019] )

Result: 

B 

See step  3

Result: 

C 

See step  2

1. Turn the ignition switch off.

   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 rear airbag sensor LH with RH and connect the connectors to them.
4. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
5. Turn the ignition switch to ON, and wait for at least 60 seconds.
6. Clear the DTCs stored in memory (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
7. Turn the ignition switch off.
8. Turn the ignition switch to ON, and wait for at least 90 seconds.
9. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
   RESULT
   
   

   Result	Proceed to
   DTC B1630 and B1635 are not output	A
   DTC B1635 is output	B
   DTC B1630 is output	C

   HINT: 

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

   TEXT IN ILLUSTRATION
   
   

   *1	Rear Airbag Sensor LH
   *2	Center Airbag Sensor

10. Turn the ignition switch off.
11. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
12. Return the rear airbag sensor LH and RH to their original positions and connect the connectors to them.

Result: 

C 

REPLACE CENTER AIRBAG SENSOR ASSEMBLY 

(Refer to REMOVAL [08/2015 - ] )

Result: 

A 

USE SIMULATION METHOD TO CHECK 

(Refer to DIAGNOSIS SYSTEM [08/2015 - 08/2019] )

Result: 

B 

REPLACE REAR AIRBAG SENSOR RH 

(Refer to REMOVAL [08/2015 - ] )

1. Turn the ignition switch off.

   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 rear airbag sensor LH with RH and connect the connectors to them.
4. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
5. Turn the ignition switch to ON, and wait for at least 60 seconds.
6. Clear the DTCs stored in memory (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
7. Turn the ignition switch off.
8. Turn the ignition switch to ON, and wait for at least 90 seconds.
9. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
   RESULT
   
   

   Result	Proceed to
   DTC B1630 and B1635 are not output	A
   DTC B1630 is output	B
   DTC B1635 is output	C

   HINT: 

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

   TEXT IN ILLUSTRATION
   
   

   *1	Rear Airbag Sensor RH
   *2	Center Airbag Sensor

10. Turn the ignition switch off.
11. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
12. Return the rear airbag sensor LH and RH to their original positions and connect the connectors to them.

Result: 

C 

REPLACE CENTER AIRBAG SENSOR ASSEMBLY 

(Refer to REMOVAL [08/2015 - ] )

Result: 

A 

USE SIMULATION METHOD TO CHECK 

(Refer to DIAGNOSIS SYSTEM [08/2015 - 08/2019] )

Result: 

B 

REPLACE REAR AIRBAG SENSOR LH 

(Refer to REMOVAL [08/2015 - ] )