Toyota Tundra (2015 year). Manual - part 2681

FUNCTION

BEHAVIOR DURING CAN FAILURE

CONTROL

MASTER

1. 

SYSTEM

RELATED

2. 

VEHICLE BEHAVIOR

INDICATOR AND

BUZZER

DIAGNOSTIC

TROUBLE CODE

assembly)

Bus buffer

ECU

2. 

Light Control

(Controls the display

dimming and daytime

running lights.)

Main body

ECU (driver

side junction

block

assembly)

1. 

ECM,

Combination

meter

assembly

2. 

When communication is

lost with the ECM,

daytime running light

control is not performed.

When communication is

lost with the combination

meter assembly,

automatically performs

display dimming control

when tail mode is not

canceled (when the light

sensor illuminance signal

value is less than the

display dimming value,

the interior displays and

indicators are dimmed).

Nothing

U0199

U0208

U1002

U1115

Wireless

(Controls the wireless

lock/unlock functions.)

Main body

ECU (driver

side junction

block

assembly)

1. 

Bus buffer

ECU

2. 

KLEG is maintained.

Nothing

U0199

U0208

U1002

U1115

Option Control

(Controls optional

wireless lock,

answer-back optional

illumination, alarm

warning requests and

dome light warning

requests.)

Main body

ECU (driver

side junction

block

assembly)

1. 

Bus buffer

ECU

2. 

Optional wireless lock

control does not operate.

Answer-back control for

optional illumination does

not operate.

Alarm warning request

control does not operate.

Dome light warning

request control does not

operate.

Nothing

U0199

U0208

U1002

U1115

Lock Control

(Sends a door lock

request signal.)

Bus buffer

ECU

1. 

Main body

ECU (driver

side junction

block

assembly)

2. 

Lock control is not performed.

Nothing

Nothing

Air conditioning control

(Requests air

conditioning control by

sending DFON and

Bus buffer

ECU

1. 

Air

2. 

Air conditioning control is not

performed.

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

ACON signals.)

conditioning

amplifier

assembly

Hazard answer-back

control

(Requests hazard

blinking through the

HZRD bit.)

Bus buffer

ECU

1. 

Main body

ECU (driver

side junction

block

assembly)

2. 

Hazard answer-back control is not

performed.

Nothing

Nothing

Eco Navigation Display

(Displays the average

fuel consumption history

and a graph indicating

the fuel consumption in

1 minute intervals.)

Radio and

display

receiver

assembly,

Navigation

receiver

assembly

1. 

Combination

meter

assembly

2. 

Stops updating the

average fuel consumption

history on the eco

navigation (eco drive

screen).

If the distance to empty is

displayed on the eco

navigation (eco drive)

screen, the value for the

distance to empty is

cleared due to a distance

to empty communication

stop.

The most

recent value

for the fuel

consumption

interval

graph on

the eco

navigation

(eco drive)

screen is

cleared.

The

numbers of

the distance

to empty

displayed on

the fuel

consumption

screen of

the eco

navigation

(eco drive)

display are

cleared.

U0155

Destination

Determination

(Determines the

destination based on the

destination symbol and

destination package

information and selects

the display language,

time zone, etc.)

Radio and

display

receiver

assembly,

Navigation

receiver

assembly

1. 

Main body

ECU (driver

side junction

block

assembly)

2. 

Determines the destination

according to the last received value

and operates accordingly (if there is

no last received value, the system

operates using the default value).

The time zone and

language selection

screens do not match

the destination.

U0140

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

Vehicle Customize

Function

(Changes the behavior

and control parameters

time, etc.] according to

user operation via the

screen.)

Radio and

display

receiver

assembly,

Navigation

receiver

assembly

1. 

Main body

ECU (driver

side junction

block

assembly),

Front power

seat ECU

and switch

LH, Multiplex

tilt and

telescopic

ECU

2. 

3 retries are performed (including

the first time).

The

customize

options for

items

related to

the main

body ECU

are not

displayed or

the setting

cannot be

changed.

The

customize

options for

items

related to

the front

power seat

ECU and

switch LH

are not

displayed or

the setting

cannot be

changed.

The

customize

options for

items

related to

the

multiplex tilt

and

telescopic

ECU are not

displayed or

the setting

cannot be

changed.

B15F6

B15F8

ESPO

(Displays the level of

"eco" driving.)

Radio and

display

receiver

assembly,

Navigation

receiver

assembly

1. 

Center

airbag

sensor

2. 

Nothing

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

assembly,

Air

conditioning

amplifier

assembly,

Main body

ECU (driver

side junction

block

assembly),

Steering

angle sensor

Charging Station

Reporting Service

(Informs the user about

charging stations within

range from distance to

empty based on

information received

from the G-BOOK

center.)

Radio and

display

receiver

assembly,

Navigation

receiver

assembly

1. 

Combination

meter

assembly

2. 

Stops providing information and

resets values to the default.

Cannot provide

information.

Nothing

Meter-linked Function

(Changes display based

on customization

information set through

the meter. Outputs the

customization

information set in the

system.)

Radio and

display

receiver

assembly,

Navigation

receiver

assembly

1. 

Combination

meter

assembly

2. 

Maintains the last valid state.

Nothing

Nothing

Blind Spot Monitor

(Warns the driver when

the system detects a

vehicle in the blind spots

monitor

sensor

RH/LH

1. 

ECM, Brake

actuator

assembly

(skid control

ECU), Main

body ECU

(driver side

junction

block

assembly),

Steering

angle

sensor, Blind

2. 

Nothing

Blind spot monitor

system warning

displayed.

U0100

U0126

U0129

U0142

U0232

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: FAIL-...