DESCRIPTION
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2327 |
No communication between the multiplex network door ECU (back door P/W) and back door power window regulator motor assembly for 10 seconds or more. |
|
B2328 |
The multiplex network door ECU (back door P/W) detects a malfunction in the LIN communication bus between the multiplex network door ECU (back door P/W) and back door power window regulator motor assembly consecutively 3 times. |
|
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 light switch on and off at 1.5 second intervals until communication between the Techstream and vehicle begins.
PROCEDURE
1. |
CLEAR DTC |
(a) Clear the DTCs (See page ).
|
2. |
CHECK FOR DTC |
(a) Check for DTCs (See page ).
OK:
DTC B2327 or B2328 is not output.
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
|
3. |
CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - BACK DOOR POWER WINDOW REGULATOR MOTOR) |
(a) Disconnect the W10 multiplex network door ECU (back door P/W) connector.
(b) Disconnect the W9 back door power window regulator motor assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
W10-11 (MPX2) - W9-9 (LIN) |
Always |
Below 1 Ω |
W10-6 (BDR2) - W9-2 (B) |
Always |
Below 1 Ω |
W10-1 (E4) - W9-1 (GND) |
Always |
Below 1 Ω |
W10-1 (E4) - Body ground |
Always |
Below 1 Ω |
W9-1 (GND) - Body ground |
Always |
Below 1 Ω |
W10-11 (MPX2) or W9-9 (LIN) - Body ground |
Always |
10 kΩ or higher |
W10-6 (BDR2) or W9-2 (B) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
REPLACE BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY |
(a) Temporarily replace the back door power window regulator motor assembly with
a new or normally functioning one (See page ).
|
5. |
CLEAR DTC |
(a) Clear the DTCs (See page ).
|
6. |
CHECK FOR DTC |
(a) Check for DTCs (See page ).
OK:
DTC B2327 or B2328 is not output.
OK | ![]() |
END (BACK DOOR POWER WINDOW REGULATOR MOTOR IS DEFECTIVE) |
NG | ![]() |
REPLACE MULTIPLEX NETWORK DOOR ECU |
Installation
INSTALLATION
PROCEDURE
1. INSTALL BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY
(a) Using a T25 "TORX" socket wrench, install the back power window regulator
motor assembly with the 3 screws.
HINT:
Tighten the sc ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...