DTC B167A: Front Door Pressure Sensor LH; DTC B167E: Front Door Pressure Sensor Threshold Malfunction (LH) [04/2020 - 05/2023]: Procedure

1. Turn the engine switch off.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
3. Interchange the door side airbag sensor LH with RH and connect the connectors.
4. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
5. Turn the engine switch on (IG), and wait for at least 60 seconds.
6. Clear the DTCs stored in memory.

   Refer to DTC CHECK / CLEAR [04/2020 - ]

   Body Electrical > SRS Airbag > Clear DTCs 

7. Turn the engine switch off.
8. Turn the engine switch on (IG), and wait for at least 60 seconds.
9. Check for DTCs.

   Refer to DTC CHECK / CLEAR [04/2020 - ]

   Body Electrical > SRS Airbag > Trouble Codes 

   Result

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

   HINT: 

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

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

Result: 

A 

REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL [03/2017 - 05/2023] 

Result: 

B 

REPLACE DOOR SIDE AIRBAG SENSOR LH. Refer to  REMOVAL [03/2017 - 05/2023] 

Result: 

C 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2020 - 05/2023]