DTC B1641/19: Rear Sensor RH Circuit: Procedure

Fig 1: Identifying Rear Airbag Sensor LH & Side Airbag Sensor Assembly RH Circuit

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Result	Proceed to
   DTC B1641/19 and B1646/29 are not output.	A
   DTC B1641/19 is output.	B
   DTC B1646/29 is output.	C

   TEXT IN ILLUSTRATION
   
   

   *1	Rear Airbag Sensor LH
   *2	Side Airbag Sensor Assembly RH

   HINT: 

   DTCs other than B1641/19 and B1646/29 may be output at this time, but they are not related to this check.

10. Turn the power switch off.
11. 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.

12. Return the rear airbag sensor RH and rear airbag sensor LH to their original positions and connect the connectors to them.

B → See step   4 

C → See step   3 

A → See step   2