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Home >> Toyota >> 2020 >> RAV4 XLE, FWD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System (W/ OCS) - Diagnostic Codes (3 Of 4) >> AIRBAG SYSTEM (w/ Occupant Classification System) >> DTC B166C: Front Door Pressure Sensor RH; DTC B166F: Front Door Pressure Sensor Threshold Malfunction (RH) [02/2019 - 08/2020] >> Description

DTC B166C: Front Door Pressure Sensor RH; DTC B166F: Front Door Pressure Sensor Threshold Malfunction (RH) [02/2019 - 08/2020]: Description

The side collision sensor RH circuit consists of the airbag ECU assembly, side airbag pressure sensor RH and No. 2 side airbag ECU assembly RH.

The side airbag pressure sensor RH detects impacts to the vehicle and send signals to the airbag ECU assembly to determine if the SRS should be deployed.

These DTCs are stored when a malfunction is detected in the side airbag pressure sensor RH or airbag ECU assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B166C Front Door Pressure Sensor RH Either condition is met:
  • A side airbag pressure sensor RH malfunction.
  • An airbag ECU assembly malfunction.
  • Side airbag pressure sensor RH
  • Airbag ECU assembly
Comes on Not applicable
B166F Front Door Pressure Sensor Threshold Malfunction (RH) Either condition is met:
  • A side airbag pressure sensor RH malfunction.
  • An airbag ECU assembly malfunction.
  • Side airbag pressure sensor RH
  • Airbag ECU assembly
Comes on Not applicable