Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM100000000VJF7 |
Model Year Start: 2016 |
Model: Sienna |
Prod Date Range: [12/2015 -
] |
Title: NETWORKING: LIN COMMUNICATION SYSTEM: B2324; Rear Door LH ECU Communication Stop; 2016 - 2020 MY Sienna [12/2015 - ] |
DTC
|
B2324
|
Rear Door LH ECU Communication Stop
|
DESCRIPTION
This DTC is stored when LIN communication between the rear power window regulator motor assembly LH and main body ECU stops for 10 seconds or more.
DTC Code
|
DTC Detection Condition
|
Trouble Area
|
B2324
|
No communication between the rear power window regulator motor assembly LH and main body ECU for 10 seconds or more.
|
-
Rear power window regulator motor assembly LH
-
Main body ECU
-
Harness or connector
-
Instrument panel junction block assembly
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
HINT:
DTC B2325 is stored when the communication between the rear power window regulator motor LH and main body ECU stops.
PROCEDURE
(a) Clear the DTC (See page
).
NEXT
|
|
|
(a) Check for DTCs (See page
).
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
)
|
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
).
(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
|
2H-27 - 2I-16 (LIN2)
|
Always
|
Below 1 Ω
|
OK
|
|
|
4.
|
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
|
(a) Disconnect the 2H instrument panel junction block assembly connector.
(b) Disconnect the J7 rear power window regulator motor assembly LH connector.
(c) Measure the resistance according to the value(s) in the tables below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
2H-27 - J7-9 (LIN)
|
Always
|
Below 1 Ω
|
2H-7 or J7-9 (LIN) - Body ground
|
Always
|
10 kΩ or higher
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
5.
|
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH - BATTERY AND BODY GROUND)
|
(a) Disconnect the rear power window regulator motor assembly LH connector.
|
|
(b) Measure the resistance and voltage according to the value(s) in the tables below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
J7-1 (GND) - Body ground
|
Always
|
Below 1 Ω
|
Standard Voltage:
Tester Connection
|
Condition
|
Specified Condition
|
J7-2 (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 LH)
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
6.
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
|
(a) Replace the rear power window regulator motor assembly LH (See page
).
NEXT
|
|
|
(a) Clear the DTC (See page
).
NEXT
|
|
|
(a) Recheck for DTCs (See page
).
Result
Result
|
Proceed to
|
DTC B2324 is not output
|
A
|
DTC B2324 is output
|
B
|
A |
|
END (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH WAS DEFECTIVE)
|
|