Toyota Tundra (2015 year). Manual — part 2782
A
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000000XZC05ZX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: STEERING COLUMN: POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM: B2621;
Communication Interruption; 2015 MY Tundra [08/2014 - ]
DTC
B2621
Communication Interruption
DESCRIPTION
(periodic signal) to the communication bus on a regular schedule. The multiplex tilt and telescopic ECU detects
CODE
DETECTION CONDITION
TROUBLE AREA
B2621
The periodic signal from a specified ECU has
stopped.
CAN communication system
Main body ECU
Front power seat control ECU and switch
LH
Combination meter
Multiplex tilt and telescopic ECU
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK DTC (CAN COMMUNICATION SYSTEM)
.
Result
RESULT
PROCEED TO
DTC is not output
A
DTC is output
B
B
GO TO CAN COMMUNICATION SYSTEM
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
OK
OK
2.
READ VALUE USING TECHSTREAM (MAIN BODY ECU COMMUNICATION SIGNAL)
(a) Use the Data List to check if the main body ECU communication signal is functioning properly.
Tilt & Telescopic
TESTER
DISPLAY
MEASUREMENT ITEM/RANGE
NORMAL CONDITION
DIAGNOSTIC
NOTE
J/B
OK: Communication is normal
Interpt: Communication is
interrupted
-
OK:
"OK" is displayed.
NG
REPLACE MAIN BODY ECU
3.
READ VALUE USING TECHSTREAM (FRONT POWER SEAT CONTROL ECU AND SWITCH
LH COMMUNICATION SIGNAL)
(a) Use the Data List to check if the front power seat control ECU and switch LH communication signal is
functioning properly.
Tilt & Telescopic
TESTER
DISPLAY
MEASUREMENT ITEM/RANGE
NORMAL CONDITION
DIAGNOSTIC
NOTE
Receive from
Seat ECU
OK: Communication is
normal
Interpt: Communication
is interrupted
-
OK:
"OK" is displayed.
NG
REPLACE FRONT POWER SEAT CONTROL ECU AND
SWITCH LH (DRIVER SEAT ECU)
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
4.
READ VALUE USING TECHSTREAM (COMBINATION METER ECU COMMUNICATION
SIGNAL)
(a) Use the Data List to check if the combination meter ECU communication signal is functioning
properly.
Tilt & Telescopic
TESTER
DISPLAY
MEASUREMENT ITEM/RANGE
NORMAL CONDITION
DIAGNOSTIC
NOTE
Receive from
Meter
OK: Communication is
normal
Interpt: Communication is
interrupted
-
OK:
"OK" is displayed.
NG
REPLACE COMBINATION METER ASSEMBLY
(COMBINATION METER ECU)
OK
REPLACE MULTIPLEX TILT AND TELESCOPIC ECU
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
A
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000000ZDY075X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: STEERING COLUMN: POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM: B2624;
Vehicles Speed Malfunction; 2015 MY Tundra [08/2014 - ]
DTC
B2624
Vehicles Speed Malfunction
DESCRIPTION
(periodic signal) to the communication bus on a regular schedule. The multiplex tilt and telescopic ECU receives
vehicle speed signals from the combination meter via the communication bus to prevent improper operation of
the auto away/return function during driving.
DTC
CODE
DETECTION CONDITION
TROUBLE AREA
B2624
When either condition below is met:
The auto away function is disabled with the last vehicle
and the auto away/return function is disabled.
CAN communication
system
Combination meter
Multiplex tilt and
telescopic ECU
HINT:
*: If the ignition switch is turned OFF immediately after the vehicle comes to a sudden stop, the last
vehicle speed signal may not be 0 km/h (0 mph).
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK CAN COMMUNICATION SYSTEM
.
Result
TESTER DISPLAY
PROCEED TO
"Meter" is displayed.
A
"Meter" is not displayed.
B
B
GO TO CAN COMMUNICATION SYSTEM
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
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