Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FQOB
Model Year Start: 2019 Model: RAV4 HV Prod Date Range: [11/2018 - 10/2023]
Title: DOOR / HATCH: POWER BACK DOOR SYSTEM (for HV Model): B2250; Back Door Closer Operation Malfunction; 2019 - 2023 MY RAV4 HV [11/2018 - 10/2023]

DTC

B2250

Back Door Closer Operation Malfunction

DESCRIPTION

The multiplex network door ECU receives signals from the latch switch, initial switch, pawl switch and back door courtesy switch, which are built into the back door lock with courtesy light switch assembly. Based on these switch signals, the latch position of the back door lock with courtesy light switch assembly is determined.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2250

Back Door Closer Operation Malfunction

While the back door closer is operating, a malfunction is detected in position information from the initial switch within a specified amount of time.

  • Back door lock with courtesy light switch assembly
  • Harness or connector
  • Multiplex network door ECU

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.

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

Closer Position SW

Initial switch signal

ON or OFF

ON: Back door lock sector gear in center position (Initial switch on)

OFF: Back door lock sector gear out of center position (Initial switch off)

-

Body Electrical > Back Door > Data List

Tester Display

Closer Position SW

OK:

The display is as specified in the normal condition column.

OK

REPLACE MULTIPLEX NETWORK DOOR ECU

NG

2.

INSPECT BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY

(a) Remove the back door lock with courtesy light switch assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR LOCK: BACK DOOR LOCK: REMOVAL

(b) Inspect the back door lock with courtesy light switch assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR LOCK: BACK DOOR LOCK: INSPECTION

NG

REPLACE BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY

OK

3.

CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY - MULTIPLEX NETWORK DOOR ECU AND BODY GROUND)

(a) Disconnect the R14 back door lock with courtesy light switch assembly connector.

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

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R14-6 (OPN) - R18-7 (POS)

Always

Below 1 Ω

R14-1 (E) - Body ground

Always

Below 1 Ω

R14-6 (OPN) or R18-7 (POS) - Body ground

Always

10 kΩ or higher

OK

REPLACE MULTIPLEX NETWORK DOOR ECU

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR