Toyota Tundra (2015 year). Manual — part 2680
FUNCTION
BEHAVIOR DURING CAN FAILURE
CONTROL
MASTER
1.
SYSTEM
RELATED
2.
VEHICLE BEHAVIOR
INDICATOR AND
BUZZER
DIAGNOSTIC
TROUBLE CODE
TAIL Indicator Light
(Turns the TAIL
indicator light on and
off.)
Combination
meter
assembly
1.
Main body
ECU (driver
side junction
block
assembly)
2.
The TAIL indicator condition is
maintained.
Nothing
Nothing
HEAD Indicator Light
(Turns the HEAD
indicator light on and
off.)
Combination
meter
assembly
1.
Main body
ECU (driver
side junction
block
assembly)
2.
The HEAD indicator condition is
maintained.
Nothing
Nothing
CRUISE Main Indicator
Light
(Turns the CRUISE main
indicator light on and
off.)
Combination
meter
assembly
1.
ECM
2.
The cruise main indicator condition
is maintained.
Nothing
Nothing
ABS Warning Light
(Turns the ABS warning
light on and off.)
Combination
meter
assembly
1.
Brake
actuator
assembly
(skid control
ECU)
2.
The ABS warning light illuminates.
The ABS warning light
illuminates.
Nothing
VSC OFF Indicator Light
(Turns the VSC OFF
indicator light on and
off.)
Combination
meter
assembly
1.
Brake
actuator
assembly
(skid control
ECU)
2.
The VSC OFF indicator condition is
maintained.
Nothing
Nothing
SLIP Indicator Light
(Turns the SLIP
indicator light on and
off.)
Combination
meter
assembly
1.
Brake
actuator
assembly
(skid control
ECU)
2.
The slip indicator condition is
maintained.
Nothing
Nothing
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: FAIL-...
FUNCTION
BEHAVIOR DURING CAN FAILURE
CONTROL
MASTER
1.
SYSTEM
RELATED
2.
VEHICLE BEHAVIOR
INDICATOR AND
BUZZER
DIAGNOSTIC
TROUBLE CODE
4LO Warning Light
(Turns the 4LO warning
light on and off.)
Combination
meter
assembly
1.
4WD control
ECU
2.
The 4LO indicator condition is
maintained.
Nothing
Nothing
4HI Warning Light
(Turns the 4HI warning
light on and off.)
Combination
meter
assembly
1.
4WD control
ECU
2.
The 4HI indicator condition is
maintained.
Nothing
Nothing
Passenger Side Seat
Belt Warning Light
(Turns the passenger
side seat belt warning
light on and off.)
Combination
meter
assembly
1.
Center
airbag
sensor
assembly
2.
The passenger side seat belt
warning light illuminates.
Nothing
Nothing
Seat Belt Warning
Buzzer
Controls the seat belt
warning buzzer to sound
and not sound according
to the various signals
that are input.
Combination
meter
assembly
1.
ECM, Main
body ECU
(driver side
junction
block
assembly),
Brake
actuator
assembly
(skid control
ECU),
Center
airbag
sensor
assembly
2.
The seat belt warning buzzer
condition is maintained.
Nothing
Nothing
Key Reminder Buzzer
Controls the key
reminder buzzer to
sound and not sound
according to the various
signals that are input.
Combination
meter
assembly
1.
Main body
ECU (driver
side junction
block
assembly)
2.
The key reminder buzzer does not
sound.
Nothing
Nothing
Parking Brake
Unreleased Warning
Buzzer
Controls the parking
Combination
meter
assembly
1.
Main body
2.
The parking brake unreleased
warning buzzer does not sound.
Nothing
Nothing
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: FAIL-...
FUNCTION
BEHAVIOR DURING CAN FAILURE
CONTROL
MASTER
1.
SYSTEM
RELATED
2.
VEHICLE BEHAVIOR
INDICATOR AND
BUZZER
DIAGNOSTIC
TROUBLE CODE
brake unreleased
warning buzzer to sound
and not sound according
to the various signals
that are input.
ECU (driver
side junction
block
assembly),
Brake
actuator
assembly
(skid control
ECU)
Door Ajar Driving
Warning Buzzer
Controls the door ajar
driving warning buzzer
to sound and not sound
according to the various
signals that are input.
Combination
meter
assembly
1.
Main body
ECU (driver
side junction
block
assembly),
Brake
actuator
assembly
(skid control
ECU)
2.
The door ajar driving warning buzzer
does not sound.
Nothing
Nothing
Sequential Shift Reject
Buzzer
Controls the sequential
shift reject buzzer to
sound and not sound
according to the various
signals that are input.
Combination
meter
assembly
1.
ECM
2.
The sequential shift reject buzzer
condition is maintained.
Nothing
Nothing
Alarm Control
(Sounds various
warnings.)
Main body
ECU (driver
side junction
block
assembly)
1.
ECM, Bus
buffer ECU
2.
If communication is lost
with the ECM: Alarm
cancellation according to
the engine speed does not
operate.
When communication is
lost with the bus buffer
ECU, warning output does
not operate.
Nothing
U0199
U0208
U1002
U1115
Door Lock Control
(Locks/unlocks the
doors.)
Main body
ECU (driver
side junction
block
assembly)
1.
ECM,
Combination
meter
assembly,
Center
2.
If communication is lost
with the combination
meter assembly:
The speed-
sensitive
automatic door
lock function
does not
operate.
The key lock-in
Nothing
U0199
U0208
U1002
U1115
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: FAIL-...
FUNCTION
BEHAVIOR DURING CAN FAILURE
CONTROL
MASTER
1.
SYSTEM
RELATED
2.
VEHICLE BEHAVIOR
INDICATOR AND
BUZZER
DIAGNOSTIC
TROUBLE CODE
airbag
sensor
assembly,
Bus buffer
ECU
prevention
unlock function
when the
vehicle is
being driven is
permitted.
When communication is
lost with the ECM:
The shift-linked
automatic door
unlock function
does not
operate.
The shift-linked
automatic door
unlock
switching using
the manual
switch does
not operate.
The key lock-in
prevention
unlock function
when the
engine is
started is
permitted.
When communication is
lost with the center airbag
sensor assembly:
Key-linked lock control
prohibition when the seat
belts are fastened is not
possible.
When communication is
lost with the bus buffer
ECU: KLEG is maintained.
Illumination Control
(Performs illumination
control.)
Main body
ECU (driver
side junction
block
assembly)
1.
Bus buffer
ECU
2.
KLEG is maintained.
Nothing
U0199
U0208
U1002
U1115
Power Window Control
(Performs key off power
window control.)
Main body
ECU (driver
side junction
block
1.
KLEG is maintained.
Nothing
U0199
U0208
U1002
U1115
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: FAIL-...
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