DTC B1690/15: Door Side Airbag Sensor RH Malfunction; DTC B1692/81: Lost Communication with Door Side Airbag Sensor RH: Procedure

Fig 1: Identifying Door Side Airbag Sensor LH & Airbag ECU Assembly 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 door side airbag sensor RH with door side airbag sensor LH and connect the connectors.
4. Connect the cable to the negative (-) auxiliary battery terminal.
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 B1690/15, B1692/81, B1695/16 and B1697/82 are not output.	A
   DTC B1690/15 or B1692/81 is output.	B
   DTC B1695/16 or B1697/82 is output.	C

   TEXT IN ILLUSTRATION
   
   

   *1	Door Side Airbag Sensor LH
   *2	Airbag ECU Assembly

   HINT: 

   Codes other than DTCs B1690/15, B1692/81, B1695/16 and B1697/82 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 door side airbag sensor RH and door side airbag sensor LH to their original positions and connect the connectors.

B → See step   4 

C → See step   3 

A → See step   2