DTC B166C: Front Door Pressure Sensor RH; DTC B166F: Front Door Pressure Sensor Threshold Malfunction (RH) [11/2018 - 02/2019]: Procedure
WARNING: This page is about a different car, the 2020 Toyota RAV4 and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK SIDE AIRBAG PRESSURE SENSOR RH
- Turn the ignition switch off.
*1 Side Airbag Pressure Sensor LH *2 No. 2 Side Airbag Sensor Assembly RH - Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
- Interchange the side airbag pressure sensor RH with LH and connect the connectors to them.
- Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
- Turn the ignition switch to ON, and wait for at least 60 seconds.
- Clear the DTCs stored in memory.
Refer to DTC CHECK / CLEAR [11/2018 - 08/2020]
Body Electrical > SRS Airbag > Clear DTCs
- Turn the ignition switch off.
- Turn the ignition switch to ON, and wait for at least 60 seconds.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [11/2018 - 08/2020]
Body Electrical > SRS Airbag > Trouble Codes
Result
Proceed to DTC B166C or B166F is output DTC B167A or B167E is output DTCs B166C, B166F, B167A and B167E are not output HINT:
Codes other than DTCs B166C, B166F, B167A and B167E may be output at this time, but they are not related to this check.
- Turn the ignition switch off.
- Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
- Return the side airbag pressure sensor LH and RH to their original positions and connect the connectors to them.
Result:
DTC B166C or B166F is output
REPLACE AIRBAG ECU ASSEMBLY. Refer to REMOVAL [11/2018 - 02/2019]
Result:
DTC B167A or B167E is output
REPLACE SIDE AIRBAG PRESSURE SENSOR RH. Refer to REMOVAL [11/2018 - 02/2019]
Result:
DTCs B166C, B166F, B167A and B167E are not output
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]
- Turn the ignition switch off.