Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FQOZ
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 10/2023]
Title: DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): B2220; Back Door Motor Circuit; 2019 - 2023 MY RAV4 [11/2018 - 10/2023]

DTC

B2220

Back Door Motor Circuit

DESCRIPTION

This DTC is stored when the multiplex network door ECU detects a malfunction of the motor built-into the power back door unit assembly set LH or power back door unit assembly set RH.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2220

Back Door Motor Circuit

Malfunction of motor built into the power back door unit assembly set LH or power back door unit assembly set RH detected

  • Multiplex network door ECU
  • Power back door unit assembly set LH
  • Power back door unit assembly set RH
  • Harness or connector

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

If the multiplex network door ECU has been removed and installed or replaced, or if any of the connectors has been disconnected, 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 B2220 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

INSPECT POWER BACK DOOR UNIT ASSEMBLY SET LH

(a) Fully open the back door.

(b) Disconnect the power back door unit assembly set LH connector.

*a

Component without harness connected

(Power Back Door Unit Assembly Set LH)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (BD+) - Body ground

Always

10 kΩ or higher

2 (BD-) - Body ground

Always

10 kΩ or higher

1 (BD+) - 2 (BD-)

Always

Below 1 MΩ

NG

REPLACE POWER BACK DOOR UNIT ASSEMBLY SET LH

OK

3.

INSPECT POWER BACK DOOR UNIT ASSEMBLY SET RH

(a) Fully open the back door.

(b) Disconnect the power back door unit assembly set RH connector.

*a

Component without harness connected

(Power Back Door Unit Assembly Set RH)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (BD+2) - Body ground

Always

10 kΩ or higher

2 (BD-2) - Body ground

Always

10 kΩ or higher

1 (BD+2) - 2 (BD-2)

Always

Below 1 MΩ

NG

REPLACE POWER BACK DOOR UNIT ASSEMBLY SET RH

OK

4.

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

(a) Disconnect the R19 multiplex network door ECU connector.

(b) Disconnect the R21 power back door unit assembly set LH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R19-7 (BD+) - R21-1 (BD+)

Always

Below 1 Ω

R19-6 (BD-) - R21-2 (BD-)

Always

Below 1 Ω

R19-7 (BD+) or R21-1 (BD+) - Body ground

Always

10 kΩ or higher

R19-6 (BD-) or R21-2 (BD-) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

5.

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

(a) Disconnect the R19 multiplex network door ECU connector.

(b) Disconnect the R20 power back door unit assembly set RH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R19-8 (BD+2) - R20-1 (BD+2)

Always

Below 1 Ω

R19-9 (BD-2) - R20-2 (BD-2)

Always

Below 1 Ω

R19-8 (BD+2) or R20-1 (BD+2) - Body ground

Always

10 kΩ or higher

R19-9 (BD-2) or R20-2 (BD-2) - Body ground

Always

10 kΩ or higher

OK

REPLACE MULTIPLEX NETWORK DOOR ECU

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR