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-...