Toyota Tundra (2015 year). Manual — part 2677
OUTPUT
FROM
OUTPUT
DTC
DETECTION
ITEM
DETECTED COMMUNICATION STOP MODE
MS BUS
FRONT POWER
SEAT CONTROL
ECU AND
SWITCH LH
COMMUNICATION
STOP MODE
OUTER MIRROR
CONTROL ECU
COMMUNICATION
STOP MODE
MULTIPLEX TILT
AND TELESCOPIC
ECU
COMMUNICATION
STOP MODE
MAIN BODY ECU
COMMUNICATION
STOP MODE
U0155
Meter ECU
Communication
-
-
-
-
U0164
Air Conditioner
ECU
Communication
-
-
-
-
Blind spot
monitor
sensor
RH/LH
U0100
Lost
Communication
with ECM/PCM
"A"
-
-
-
-
U0126
Lost
Communication
with Steering
Angle Sensor
Module
-
-
-
-
U0129
Lost
Communication
with Brake
System Control
Module
-
-
-
-
U0142
Lost
Communication
with Body
Control Module
"B"
-
-
-
-
Brake
control with
bracket
relay
U0101
Lost
Communication
with TCM
-
-
-
-
U0129
Lost
Communication
with Brake
System Control
Module
-
-
-
-
U0155
Lost
Communication
with
Instrument
Panel Cluster
Control Module
(Combination
-
-
-
-
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: DIA...
OUTPUT
FROM
OUTPUT
DTC
DETECTION
ITEM
DETECTED COMMUNICATION STOP MODE
MS BUS
FRONT POWER
SEAT CONTROL
ECU AND
SWITCH LH
COMMUNICATION
STOP MODE
OUTER MIRROR
CONTROL ECU
COMMUNICATION
STOP MODE
MULTIPLEX TILT
AND TELESCOPIC
ECU
COMMUNICATION
STOP MODE
MAIN BODY ECU
COMMUNICATION
STOP MODE
Meter)
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: DIA...
Last Modified: 9-16-2014
6.6 U
Doc ID: RM000002VTB00SX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: FAIL-SAFE CHART; 2015 MY Tundra [08/2014 - ]
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
(b) The table below shows the effects on each system when communication is impossible. For further details, refer to each
system.
FUNCTION
BEHAVIOR DURING CAN FAILURE
CONTROL
MASTER
1.
SYSTEM
RELATED
2.
VEHICLE BEHAVIOR
INDICATOR AND
BUZZER
DIAGNOSTIC
TROUBLE CODE
Compressor
Control/Lock Judgment
(Determines whether
compressor is locked.)
Air
conditioning
amplifier
assembly
1.
ECM
2.
When there is not a
periodic malfunction:
Performs
control with
engine speed
as 0 rpm.
Cannot
determine
whether
compressor is
locked.
When there is a periodic
malfunction, the previous
value is maintained.
Nothing
B1499
Forced Air Recirculation
Control
(Performs forced air
recirculation when
coolant temperature is
high.)
Air
conditioning
amplifier
assembly
1.
ECM
2.
When there is not a
periodic malfunction,
cannot perform forced air
recirculation when coolant
temperature is high.
When there is a periodic
malfunction, the previous
value is maintained.
Nothing
Nothing
Coolant Temperature
Correction
Control/Warm-up
Control
(Performs A/C
correction based on the
engine coolant
temperature.)
Air
conditioning
amplifier
assembly
1.
ECM
2.
When there is not a
periodic malfunction:
Performs
control with
engine coolant
temperature
as 80°C
(176°F).
Cannot
perform
warm-up
control.
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
When there is a periodic
malfunction, the previous
value is maintained.
Vent Control/Automatic
FOOT/DEF Control
(Performs vent control
according to automatic
FOOT/DEF.)
Air
conditioning
amplifier
assembly
1.
ECM,
Combination
meter
assembly
2.
When there is not a
periodic malfunction:
Performs
control with
engine coolant
temperature
as 80°C (176
°F)(when
communication
is lost with the
ECM).
Performs
control with
vehicle speed
as 0 km/h (0
mph) (when
communication
is lost with the
combination
meter
assembly).
Cannot
perform
automatic
FOOT/DEF
control
When there is a periodic
malfunction, the previous
value is maintained.
Nothing
Nothing
Engine Model
Information Judgment
(Uses the engine model
information to
determine the engine
type.)
Air
conditioning
amplifier
assembly
1.
ECM
2.
When there is not a
periodic malfunction, the
default settings are used.
When there is a periodic
malfunction, the previous
value is maintained.
Nothing
Nothing
Ambient Temperature
Display
(Sends the ambient
temperature data to the
combination meter and
displays it on the multi-
information display.)
Air
conditioning
amplifier
assembly
1.
Combination
meter
assembly
2.
When there is not a
periodic malfunction, the
ambient temperature
cannot be displayed.
When there is a periodic
malfunction, the previous
value is maintained.
Nothing
Nothing
CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: FAIL-...
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