Toyota Tundra (2015 year). Manual — part 2743
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000002S8K03PX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM: B2322; Front Passenger Side Door ECU
Communication Stop; 2015 MY Tundra [08/2014 - ]
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 (driver side junction block) 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 (driver side junction
block) for 10 seconds or more.
Front power window
regulator motor
assembly RH
Main body ECU (driver
side junction block)
Harness or connector
WIRING DIAGRAM
INSPECTION PROCEDURE
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
MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM:...
NEXT
A
communication between the Techstream and vehicle begins.
HINT:
DTC B2325 is output when communication between the front power window regulator motor assembly RH
and main body ECU (driver side junction block) stops.
PROCEDURE
1.
CLEAR DTC
(a) Clear the DTC
.
2.
CHECK FOR DTC
(a) Check for DTCs
.
Result
RESULT
PROCEED TO
DTC B2322 output reoccurs
A
DTC B2322 output does not reoccur
B
B
USE SIMULATION METHOD TO CHECK
3.
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REGULATOR MOTOR RH)
MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM:...
OK
(a) Disconnect the J2 main body ECU (driver side junction
block) connector.
(b) Disconnect the M11 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
J2-10 (LIN2) - M11-9 (LIN)
Always
Below 1 Ω
J2-10 (LIN2) or M11-9 (LIN) - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
4.
CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (REGULATOR
MOTOR RH - BATTERY AND BODY GROUND)
MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM:...
OK
NEXT
(a) Disconnect the M11 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
M11-1 (GND) - Body ground
Always
Below 1 Ω
Standard Voltage:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
M11-2 (B) - Body ground
Always
11 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
5.
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
(a) Temporarily replace the front power window regulator motor assembly RH with a new or normally
functioning one
.
(b) Clear the DTC
.
6.
CHECK FOR DTC
MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM:...
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