Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJF5
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: NETWORKING: LIN COMMUNICATION SYSTEM: B2322; Front Passenger Side Door ECU Communication Stop; 2016 - 2020 MY Sienna [12/2015 -        ]

DTC

B2322

Front Passenger Side Door ECU Communication Stop

DESCRIPTION

This DTC is stored when LIN communication between the front power window regulator motor assembly RH and main body ECU stops for 10 seconds or more.

DTC Code

DTC Detection Condition

Trouble Area

B2322

No communication between the front power window regulator motor assembly RH and main body ECU for 10 seconds or more.

  • Front power window regulator motor assembly RH
  • Main body ECU
  • Harness or connector
  • Instrument panel junction block assembly

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When using the Techstream with the ignition switch off to troubleshoot:

    Connect the Techstream to the vehicle, and turn a courtesy switch on and off at 1.5 second intervals until communication between the Techstream and vehicle begins.

  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT:

DTC B2325 is stored when the communication between the front power window regulator motor RH and main body ECU stops.

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTC (See page 2016 - 2020 MY Sienna [12/2015 -        ]; NETWORKING: LIN COMMUNICATION SYSTEM: DTC CHECK / CLEAR ).

NEXT

2.

CHECK FOR DTC

(a) Recheck for DTCs (See page 2016 - 2020 MY Sienna [12/2015 -        ]; NETWORKING: LIN COMMUNICATION SYSTEM: DTC CHECK / CLEAR ).

Result

Result

Proceed to

DTC B2322 is output

A

DTC B2322 and B2325 are output

B

HINT:

When both B2322 and B2325 are output at the same time, troubleshoot B2325 first.

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

(See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; NETWORKING: LIN COMMUNICATION SYSTEM: DIAGNOSTIC TROUBLE CODE CHART 2018 - 2020 MY Sienna [11/2017 -        ]; NETWORKING: LIN COMMUNICATION SYSTEM: DIAGNOSTIC TROUBLE CODE CHART )

A

3.

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

Text in Illustration

*a

Component without harness connected

(Instrument Panel Junction Block Assembly)

-

-

(a) Remove the instrument panel junction block assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL ).

(b) Remove the main body ECU from the instrument panel junction block assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL ).

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

2D-33 - 2I-16 (LIN2)

Always

Below 1 Ω

NG

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

OK

4.

CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)

(a) Disconnect the 2D instrument panel junction block assembly connector.

(b) Disconnect the G1 front power window regulator motor assembly RH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

2D-33 - G1-9 (LIN)

Always

Below 1 Ω

2D-33 or G1-9 (LIN) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

5.

CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH - BATTERY AND BODY GROUND)

(a) Disconnect the front power window regulator motor assembly RH connector.

(b) Measure the resistance and voltage according to the value(s) in the tables below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

G1-1 (GND) - Body ground

Always

Below 1 Ω

Standard Voltage:

Tester Connection

Condition

Specified Condition

G1-2 (B) - Body ground

Always

11 to 14 V

Text in Illustration

*a

Front view of wire harness connector

(to Front Power Window Regulator Motor Assembly RH)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

6.

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

(a) Replace the front power window regulator motor assembly RH (See page 2016 - 2020 MY Sienna [12/2015 -        ]; WINDOW / GLASS: POWER WINDOW REGULATOR MOTOR(for Front Door): REMOVAL ).

NEXT

7.

CLEAR DTC

(a) Clear the DTC (See page 2016 - 2020 MY Sienna [12/2015 -        ]; NETWORKING: LIN COMMUNICATION SYSTEM: DTC CHECK / CLEAR ).

NEXT

8.

CHECK FOR DTC

(a) Recheck for DTCs (See page 2016 - 2020 MY Sienna [12/2015 -        ]; NETWORKING: LIN COMMUNICATION SYSTEM: DTC CHECK / CLEAR ).

Result

Result

Proceed to

DTC B2322 is not output

A

DTC B2322 is output

B

A

END (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH WAS DEFECTIVE)

B

REPLACE MAIN BODY ECU