DTC B167A/5A: Front Door Pressure Sensor LH; DTC B167E/5A: Front Door Pressure Sensor Threshold Malfunction (LH) [02/2017 - 09/2019]: Procedure

1. Turn the ignition switch off.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

2. Disconnect the cable from the negative (-) battery terminal.
   WARNING:

   Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminals to disable the SRS system.

3. Interchange the door side airbag sensor LH with RH and connect the connectors.
4. Connect the cable to the negative (-) battery terminal.
5. Clear the DTCs stored in memory.

   Refer to DTC CHECK / CLEAR [02/2017 - 09/2019]

   Body Electrical > SRS Airbag > Clear DTCs 

6. Turn the ignition switch off.
7. Turn the ignition switch ON, and wait for at least 60 seconds.
8. Check for DTCs.

   Refer to DTC CHECK / CLEAR [02/2017 - 09/2019]

   Body Electrical > SRS Airbag > Trouble Codes 

   HINT: 

   Codes other than DTCs B166C/4A, B166F/4A, B167A/5A and B167E/5A may be output at this time, but they are not related to this check.

   Result

   Result	Proceed to
   DTC B167A/5A or B167E/5A is output.	A
   DTC B166C/4A or B166F/4A is output.	B
   DTCs B166C/4A, B166F/4A, B167A/5A and B167E/5A are not output.	C

9. Turn the ignition switch off.
10. Disconnect the cable from the negative (-) battery terminal.
    WARNING:

    Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

11. Return the door side airbag sensor LH and RH to their original positions and connect the connectors.

Result: 

A 

REPLACE AIRBAG SENSOR ASSEMBLY. Refer to  REMOVAL [02/2017 - 10/2017]  , or refer to  REMOVAL [10/2017 - 09/2019] 

Result: 

B 

REPLACE DOOR SIDE AIRBAG SENSOR LH. Refer to  REMOVAL [02/2017 - 08/2020] 

Result: 

C 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [02/2017 - 10/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2017 - 05/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2018 - 09/2019]