Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FQP3
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 10/2023]
Title: DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): B222B; PBD Touch Sensor RH Circuit; 2019 - 2023 MY RAV4 [11/2018 - 10/2023]

DTC

B222B

PBD Touch Sensor RH Circuit

DESCRIPTION

This DTC is output when the multiplex network door ECU detects a power back door sensor assembly RH touch sensor malfunction.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B222B

PBD Touch Sensor RH Circuit

Multiplex network door ECU detects power back door sensor assembly RH touch sensor malfunction

  • Multiplex network door ECU
  • Power back door sensor assembly RH
  • Harness or connector

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

If the replacement, removal and installation of the multiplex network door ECU or disconnection of the connectors of the multiplex network door ECU has been performed, initialize the power back door system.

Click here 2019 - 2023 MY RAV4 [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): INITIALIZATION

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Click here 2019 - 2023 MY RAV4 [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): DTC CHECK / CLEAR

Body Electrical > Back Door > Clear DTCs

(b) Check for DTCs.

Click here 2019 - 2023 MY RAV4 [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): DTC CHECK / CLEAR

Body Electrical > Back Door > Trouble Codes

OK:

DTC B222B is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

READ VALUE USING TECHSTREAM

(a) Read the Data List according to the display on the Techstream.

Click here 2019 - 2023 MY RAV4 [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): DATA LIST / ACTIVE TEST

Body Electrical > Back Door > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

PBD Touch Sensor (Right)

Power back door sensor assembly RH signal

ON, OFF or Open

ON: Power back door sensor assembly RH pressed

OFF: Power back door sensor assembly RH not pressed

Open: Power back door sensor assembly RH circuit open

-

Body Electrical > Back Door > Data List

Tester Display

PBD Touch Sensor (Right)

Result

Proceed to

On the Techstream screen, ON or OFF is displayed accordingly

A

On the Techstream screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly RH

B

A

REPLACE MULTIPLEX NETWORK DOOR ECU

B

3.

INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH

(a) Remove the power back door sensor assembly RH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR / HATCH: POWER BACK DOOR TOUCH SENSOR: REMOVAL

(b) Inspect the power back door sensor assembly RH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR / HATCH: POWER BACK DOOR TOUCH SENSOR: INSPECTION

NG

REPLACE POWER BACK DOOR SENSOR ASSEMBLY RH

OK

4.

CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - POWER BACK DOOR SENSOR ASSEMBLY RH)

(a) Disconnect the R18 multiplex network door ECU connector.

(b) Disconnect the R8 power back door sensor assembly RH connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

R18-6 (OSR) - R8-1 (OSR)

Always

Below 1 Ω

R18-24 (OSE) - R8-2 (OSRE)

Always

Below 1 Ω

R18-6 (OSR) or R8-1 (OSR) - Body ground

Always

10 kΩ or higher

R18-24 (OSE) or R8-2 (OSRE) - Body ground

Always

10 kΩ or higher

OK

REPLACE MULTIPLEX NETWORK DOOR ECU

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR