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 |
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DESCRIPTION
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