Toyota Tundra (2015 year). Manual — part 2723
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000002VTG016X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
sensor is open).
SYMPTOM
TROUBLE AREA
2 or more ECUs and/or sensors do not appear on the
Techstream "Bus Check" screen.
Center airbag sensor assembly
Main body ECU (driver side junction
block assembly)
Steering angle sensor
Brake actuator assembly (skid control
ECU)
Air conditioning amplifier assembly
4WD control ECU*1
Bus buffer ECU*2
Network gateway ECU*3
Radio and display receiver assembly*4
Navigation receiver assembly*5
Brake control with bracket relay*6
*1: for 4WD
*2: w/ Bus Buffer ECU
*3: w/ Blind Spot Monitor System
*4: w/ Audio and Visual System
*5: w/ Navigation System
*6: w/ Trailer Brake Control System
WIRING DIAGRAM
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Open i...
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Open i...
INSPECTION PROCEDURE
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the
battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice
before proceeding with work
.
.
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Open i...
A
HINT:
1.
CHECK FOR OPEN IN ONE SIDE OF CAN BRANCH WIRE (CENTER AIRBAG SENSOR
ASSEMBLY)
(a) Disconnect the J46 center airbag sensor assembly connector.
for Column Shift Type:
for Floor Shift Type:
(b) Select "Bus Check" on the Techstream
.
Result
RESULT
PROCEED TO
"Airbag" is not displayed on the Techstream
A
Several ECUs and sensors in addition to "Airbag" are displayed on the Techstream
B
B
GO TO STEP 3
2.
CHECK FOR OPEN IN ONE SIDE OF CAN BRANCH WIRE (CENTER AIRBAG SENSOR
ASSEMBLY CAN BRANCH WIRE)
(a) Disconnect the cable from the negative (-) battery terminal
Wait at least 90 seconds after disconnecting the cable from the
negative (-) battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems need to be
initialized after the cable is reconnected
.
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Open i...
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