Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FQQB
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 02/2019]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (w/ Occupant Classification System): B166C,B166F; Front Door Pressure Sensor RH; 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]

DTC

B166C

Front Door Pressure Sensor RH

DTC

B166F

Front Door Pressure Sensor Threshold Malfunction (RH)

DESCRIPTION

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

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal.

    Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

  • When disconnecting the cable from the negative (-) battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected.

    Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

  • After replacing the airbag ECU assembly, refer to initialization.

    Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

PROCEDURE

1.

CHECK SIDE AIRBAG PRESSURE SENSOR RH

(a) Turn the ignition switch off.

*1

Side Airbag Pressure Sensor LH

*2

No. 2 Side Airbag Sensor Assembly RH

(b) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

(c) Interchange the side airbag pressure sensor RH with LH and connect the connectors to them.

(d) Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.

(e) Turn the ignition switch to ON, and wait for at least 60 seconds.

(f) Clear the DTCs stored in memory.

Click here 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (w/ Occupant Classification System): DTC CHECK / CLEAR

Body Electrical > SRS Airbag > Clear DTCs

(g) Turn the ignition switch off.

(h) Turn the ignition switch to ON, and wait for at least 60 seconds.

(i) Check for DTCs.

Click here 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (w/ Occupant Classification System): DTC CHECK / CLEAR

Body Electrical > SRS Airbag > Trouble Codes

HINT:

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

(j) Turn the ignition switch off.

(k) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

(l) Return the side airbag pressure sensor LH and RH to their original positions and connect the connectors to them.

DTC B166C or B166F is output

REPLACE AIRBAG ECU ASSEMBLY

DTC B167A or B167E is output

REPLACE SIDE AIRBAG PRESSURE SENSOR RH

DTCs B166C, B166F, B167A and B167E are not output

USE SIMULATION METHOD TO CHECK