Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FQO9
Model Year Start: 2019 Model: RAV4 HV Prod Date Range: [11/2018 - 10/2023]
Title: DOOR / HATCH: POWER BACK DOOR SYSTEM (for HV Model): B222A; PBD Touch Sensor LH Circuit; 2019 - 2023 MY RAV4 HV [11/2018 - 10/2023]

DTC

B222A

PBD Touch Sensor LH Circuit

DESCRIPTION

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B222A

PBD Touch Sensor LH Circuit

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

  • Multiplex network door ECU
  • Power back door sensor assembly LH
  • 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 HV [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for HV Model): INITIALIZATION

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

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

Body Electrical > Back Door > Clear DTCs

(b) Check for DTCs.

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

Body Electrical > Back Door > Trouble Codes

OK:

DTC B222A 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 HV [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for HV Model): DATA LIST / ACTIVE TEST

Body Electrical > Back Door > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

PBD Touch Sensor (Left)

Power back door sensor assembly LH signal

ON, OFF or Open

ON: Power back door sensor assembly LH pressed

OFF: Power back door sensor assembly LH not pressed

Open: Power back door sensor assembly LH circuit open

-

Body Electrical > Back Door > Data List

Tester Display

PBD Touch Sensor (Left)

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 LH

B

A

REPLACE MULTIPLEX NETWORK DOOR ECU

B

3.

INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH

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

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 LH.

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 LH

OK

4.

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

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

(b) Disconnect the R9 power back door sensor assembly LH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R18-26 (OSL) - R9-1 (OSL)

Always

Below 1 Ω

R18-24 (OSE) - R9-2 (OSLE)

Always

Below 1 Ω

R18-26 (OSL) or R9-1 (OSL) - Body ground

Always

10 kΩ or higher

R18-24 (OSE) or R9-2 (OSLE) - Body ground

Always

10 kΩ or higher

OK

REPLACE MULTIPLEX NETWORK DOOR ECU

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR