- Rear power window regulator motor assembly RH
- Main body ECU
- Harness or connector
- Instrument panel junction block assembly
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJF6 |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: NETWORKING: LIN COMMUNICATION SYSTEM: B2323; Rear Door RH ECU Communication Stop; 2016 - 2020 MY Sienna [12/2015 - ] | ||
|
DTC |
B2323 |
Rear Door RH ECU Communication Stop |
DESCRIPTION
This DTC is stored when LIN communication between the rear power window regulator motor assembly RH and main body ECU stops for 10 seconds or more.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B2323 |
No communication between the rear power window regulator motor assembly RH and main body ECU for 10 seconds or more. |
|
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 rear power window regulator motor assembly 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](/t3Portal/stylegraphics/info.gif)
).
|
|
2. |
CHECK FOR DTC |
(a) Check for DTCs (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
DTC B2323 is output |
A |
|
DTC B2323 and B2325 are output |
B |
HINT:
When both B2323 and B2325 are output at the same time, troubleshoot B2325 first.
| B |
|
GO TO DIAGNOSTIC TROUBLE CODE CHART (See page
|
|
|
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
).
(b) Remove the main body ECU from the instrument panel junction block assembly (See page
).
(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 |
|
|
|
4. |
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH) |
(a) Disconnect the 2D instrument panel junction block assembly connector.
(b) Disconnect the I7 rear power window regulator motor assembly RH connector.
(c) Measure the resistance according to the value(s) in the tables below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
2D-33 - I7-9 (LIN) |
Always |
Below 1 Ω |
|
2D-33 or I7-9 (LIN) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
5. |
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH - BATTERY AND BODY GROUND) |
|
(a) Disconnect the rear 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 |
|---|---|---|
|
I7-1 (GND) - Body ground |
Always |
Below 1 Ω |
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I7-2 (B) - Body ground |
Always |
11 to 14 V |
Text in Illustration
|
*a |
Front view of wire harness connector (to Rear Power Window Regulator Motor assembly RH) |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
6. |
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH |
(a) Replace the rear power window regulator motor assembly RH (See page
).
|
|
7. |
CLEAR DTC |
(a) Clear the DTC (See page
).
|
|
8. |
CHECK FOR DTC |
(a) Recheck for DTCs (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
DTC B2323 is not output |
A |
|
DTC B2323 is output |
B |
| A |
|
END (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH WAS DEFECTIVE) |
| B |
|
|
|