DTC B1615/14: Front Airbag Sensor LH Malfunction: Procedure

1. Turn the power switch off.
   Fig 1: Identifying Front Airbag Sensor LH & Airbag ECU Assembly Circuit

   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 front airbag sensor LH with front airbag sensor RH and connect the connectors.
4. Connect the cable to the negative (-) auxiliary battery terminal.
5. Clear the DTCs stored in the 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
   DTCs B1610/13 and B1615/14 are not output.	A
   DTC B1615/14 is output.	B
   DTC B1610/13 is output.	C

   HINT: 

   Codes other than DTCs B1610/13 and B1615/14 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 front airbag sensor LH and front airbag sensor RH to their original positions and connect the connectors.
    TEXT IN ILLUSTRATION
    
    

    *1	Front Airbag Sensor RH
    *2	Airbag ECU assembly

B → See step   3 

C → See step   2 

A → See step   4