Toyota Tundra (2015 year). Manual - part 2426

METER: METER / GAUGE SYSTEM: TERMINALS OF ECU; 2015 M...

Last Modified: 9-16-2014

6.6 U

Doc ID: RM000002Z4U013X

Model Year: 2015

Model: Tundra

Prod Date Range: [08/2014 -           ]

Title: METER: METER / GAUGE SYSTEM: FAIL-SAFE CHART; 2015 MY Tundra [08/2014 -        ]

FAIL-SAFE CHART

Speedometer:

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE DEACTIVATION

CONDITION

Vehicle speed pulse is

interrupted

Controls input signals as 0 km/h (0

mph)

Normal data is received

Vehicle speed signal is

interrupted

Controls input signals as 0 km/h (0

mph)

Normal data is received

Tachometer:

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE DEACTIVATION

CONDITION

Engine speed signal is interrupted for 1.2

seconds

Controls input signals as 0

rpm

Normal data is received

Engine coolant temperature gauge:

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE DEACTIVATION

CONDITION

While ignition switch is ON, engine coolant

temperature data is interrupted for 3.1 seconds

Gauge needle indicates

below "C"

Engine coolant temperature

data is received

Volt gauge (for TFT Display Type):

CONDITION

FAIL-SAFE

OPERATION

FAIL-SAFE DEACTIVATION

CONDITION

EEPROM cannot determine constant value due to EEPROM

reading malfunction or other malfunction

Default control

Normal data is received

Fuel signal (Gauge signal):

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE DEACTIVATION

CONDITION

While ignition switch is ON, sender signal is

interrupted for 60 seconds and malfunction signal is

and warning light

comes on

Ignition switch is turned from

OFF to ON and normal data is

received

Odometer:

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE DEACTIVATION

CONDITION

METER: METER / GAUGE SYSTEM: FAIL-SAFE CHART; 2015 MY ...

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE DEACTIVATION

CONDITION

Vehicle speed pulse signal integration value is

interrupted for 0.12 seconds

Data received most recently

remains displayed

Normal data is received

A/T shift position indicator:

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE DEACTIVATION

CONDITION

"P to D" data is

interrupted

All data cannot be displayed: Shift position

indicator goes off

Normal data is received

Sequential shift position indicator:

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE

DEACTIVATION

CONDITION

Gear position signal is interrupted

Data received most recently remains displayed

(when data is interrupted for 3.1 seconds, shift

position indicator goes off)

Normal data is

received

Sequential mode indicator and

sequential mode enable signals are

interrupted

Data received most recently remains displayed

(when data is interrupted for 3.1 seconds, shift

position indicator goes off)

Normal data is

received

SRS warning light:

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE

DEACTIVATION

CONDITION

While ignition switch is ON, SRS warning light on/blink request

signal (9.0 V or higher) is interrupted for 10 seconds, or SRS

warning light on/blink request signal (below 9 V) is interrupted

for 60 seconds

SRS warning light

remains on until

ignition switch off

Normal data is

received

ABS warning light:

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE DEACTIVATION

CONDITION

While ignition switch is ON, ABS warning light

signal is interrupted for 1 second

ABS warning light remains on

until ignition switch off

Normal data is received

BEAM indicator light:

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE

DEACTIVATION

CONDITION

Headlight HI on instruction signal is

interrupted for 10 seconds during CAN bus

Ignition switch is ON: BEAM

indicator light condition is

Normal data is received

METER: METER / GAUGE SYSTEM: FAIL-SAFE CHART; 2015 MY ...

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE

DEACTIVATION

CONDITION

wake-up mode

maintained

Ignition switch is OFF: BEAM

indicator light is off

Cruise control indicator light (w/ Cruise Control System):

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE DEACTIVATION

CONDITION

Cruise control indicator light signal is

interrupted

Display condition is maintained until

ignition switch off

Normal data is received

Front seat belt warning light:

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE

DEACTIVATION

CONDITION

Driver side or front passenger side seat belt

buckle switch signal is interrupted for 10

seconds during CAN bus wake-up mode

Ignition switch is ON: Front

seat belt warning light

condition is maintained

Ignition switch is off: Front

seat belt warning light is off

Normal data is

received

DOOR indicator light:

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE

DEACTIVATION

CONDITION

Driver side courtesy switch, front passenger side

courtesy switch, rear door LH courtesy switch, rear door

RH courtesy switch and luggage courtesy switch signals

are interrupted for 10 seconds during CAN bus wake-up

mode

Ignition switch is ON:

DOOR indicator light

condition is

maintained

Ignition switch is OFF:

DOOR indicator light is

off

Normal data is

received

Brake warning light / Red (Malfunction):

CONDITION

FAIL-SAFE OPERATION

FAIL-SAFE

DEACTIVATION

CONDITION

Brake warning light signal is interrupted

Brake warning light condition is

maintained until ignition switch OFF

Normal data is received

METER: METER / GAUGE SYSTEM: FAIL-SAFE CHART; 2015 MY ...