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UD Trucks. Owner’s Manual (2011-2013) - page 5

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INSTRUMENTS AND CONTROLS

Warning and indicator lights

No

Tell mark

Name

Page

No

Tell mark

Name

Page

Seat belt warning

4

6-6

15

Spare

light

5

Spare

16

Spare

Exhaust gas high

6

Spare

17

temperature

7-50

indicator light

7

Spare

18

Spare

8

Spare

Engine coolant

19

7-45

level warning light

DEF low level

Tilt lock warning

9

7-10

20

7-48

warning light

light

Engine control

Cruise control “ON”

10

7-43

21

7-60

warning light

indicator light

No

Tell mark

Name

Page

Cruise control

11

Spare

22

“SET” indicator

7-60

Left turn signal

1

and hazard indi-

7-51

light

cator light

Parking brake

12

Spare

23

7-47

warning light

HIGH beam indi-

2

7-52

cator light

DPF clogging

3-21

24

Brake warning light

7-47

Right turn signal

13

warning light

7-70

3

and hazard indi-

7-51

cator light

Intake air heater

25

ABS warning light

7-44

14

7-51

indicator light

7 - 28

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INSTRUMENTS AND CONTROLS

No

Tell mark

Name

Page

No

Tell mark

Name

Page

26

Spare

37

Spare

Exhaust brake

27

7-51

38

Spare

indicator light

28

Spare

39

Spare

ATM shift limit

29

7-49

warning light

40

Spare

ATM maintenance

30

7-50

Air pressure

information light

41

7-43

warning light

31

Spare

32

Spare

33

Spare

34

Spare

35

Spare

36

Spare

7 - 29

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INSTRUMENTS AND CONTROLS

BUZZERS

Buzzer list in cabin

No.

Warning item

Portion

Pattern

Remarks

1

Low air pressure

Warning light and

2

Brake

synchronizing

Warning message and

3

ATM fluid temperature

In cabin

Continuous sound

synchronizing

Warning light and

4

Tilt lock

synchronizing

5

Engine system

Warning message and

6

Engine oil pressure

synchronizing

7

Overheat

Continuous sound

Warning light and

8

Engine coolant level

synchronizing

9

Engine oil temperature

In combination

10

DPF system

meter

Warning message and

synchronizing

Intermittent sound 1

11

Multiple inputs

(short intermittent sound)

Intermittent sound 2

Select position “R” and

12

ATM reverse

(normal intermittent sound)

synchronizing

Interrupting buzzer on engine

Intermittent sound 3

Display switching

13

coolant temperature gauge

(intermittent sound twice)

timing

When multiple warnings occur at the same time.

When two warnings from No.5 to 10 occur at the same time, it changes to intermittent sound No.11.

If the No.12 or No.13 warning occurs while the meter buzzer is sounding, the intermittent buzzer of No.12 or

No.13 is given priority.

7 - 30

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INSTRUMENTS AND CONTROLS

WARNINGS

Engine overrun warning

CAUTION

When necessary, the multi-display

When the engine rpm exceeds the

displays warnings while also display-

maximum allowable rpm, the warn-

z Please do not exceed the maxi-

ing a warning message and com-

ing and warning message display

mum allowable rpm. Driving

ments in order to warn the driver, or

will turn on to warn the driver.

beyond this range over-

warning lights are illuminated.

stresses the engine compo-

nents and could cause the

z The tachometer’s red zone shows

z The basic pattern for the warning

engine to malfunction.

the overrun speed range, so make

display contents is given below.

sure that the indicator does not

enter the red zone.

NOTE:

z The multi-display also displays

warning messages, comments,

a calendar, clock, trip manage-

ment, inspection and servicing

message display, range select

position

(ATM specification

vehicles) in addition to warning

displays.

7 - 31

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INSTRUMENTS AND CONTROLS

Charge warning

Engine oil pressure warning

If a problem occurs with the charging

If the engine oil pressure decreases

CAUTION

circuit while driving, the warning,

below a specified pressure while the

warning message, and comments

z

Do not drive while the warning

engine is running, an amber warning

will be displayed to warn the driver.

display is shown. Doing so

(moderate), a warning message and

could result in damage to the

comments will be displayed.

z

Immediately stop the vehicle in a

electronic components due to

If the engine oil pressure decreases

over-voltage

or

a

discharged

further, the color of the warning will

safe location, stop the engine, and

battery.

turn red (severe), and at the same

check the generator drive belt ten-

time a buzzer will sound to warn the

sion and check for damage to the

driver.

belt.

z

If the belt is properly tensioned, the

z When this warning message is dis-

charging system could be faulty, so

played, immediately stop the vehi-

contact the nearest authorized UD

cle in a safe location, stop the

Trucks dealer. If the charging is

engine, and check the engine oil

insufficient, refer to the Emergency

level and look for oil leaks.

Starting items in

“JUMP START-

z If there is an oil leak or other prob-

ING”.

lems, the vehicle must be

inspected and repaired. Contact

the nearest authorized UD Trucks

dealer.

7 - 32

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INSTRUMENTS AND CONTROLS

DEF low level warning

CAUTION

When the level of DEF in the tank is

z

The engine protection func-

low, this warning and warning mes-

tion may provide torque derat-

sage are displayed and a warning

ing to prevent the engine from

light illuminates to warn the driver.

being damaged, so have it

inspected and serviced by the

z Add the specified DEF as soon as

nearest authorized UD Trucks

possible when this warning is dis-

dealer.

played.

z

Absolutely do not drive while

the warning display is shown.

A drop in the oil pressure

WARNING

could cause the engine to

seize up.

z

Be careful not to get burned

during inspections conducted

immediately after driving

because the engine oil is still

very hot.

7 - 33

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INSTRUMENTS AND CONTROLS

DEF insufficient quality warning

Initial detected + 1 hour

NOTE:

1 hour after an insufficient DEF qual-

z Try to add DEF ahead of time so

When refilling the DEF tank with liq-

ity is detected, engine torque is

that the tank does not become

uid other than the specified DEF, the

reduced by 25%.

empty.

warning, warning message and

z After the ignition key is turned

warning light illuminate. When the

to the ON position, the DEF low

warning illuminates, drain the liquid

level warning light will be illumi-

that was used to refill the tank, and

nated for about 1 seconds to

refill again using the specified urea

check the system.

water solution.

Initial detected

Once an insufficient DEF quality is

detected, a warning will be dis-

played, and a warning light will be

illuminated to warn the driver.

7 - 34

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INSTRUMENTS AND CONTROLS

Initial detected + 4 hours

SCR system tampering warning

CAUTION

4 hours after an insufficient DEF

SCR system is designed to be tam-

quality is detected, engine torque is

z These warning messages are

per resistant.

reduced by 40%. Furthermore, the

displayed, contact the nearest

When the SCR system malfunctions

vehicle speed is restricted to 5 mph

authorized UD Trucks dealer

due to the following causes, this

(8km/h) when diesel fuel is refueled

for inspection and mainte-

warning and warning message are

up to measurable level, or after

nance.

displayed and the warning light illu-

keeping zero vehicle speed for 20

minates.

minutes with engine off or idle. How-

NOTE:

z Disconnected DEF tank level

ever, by first restart or with service

z Only use DEF specified by UD

sensor

tool DTC cleaning, engine torque is

Trucks that satisfies the

z Blocked DEF line or dosing unit

recovered to 25% decrease.

ISO22241-1 specification.

z Disconnected DEF dosing unit

z Disconnected DEF pump

z Disconnected SCR wiring harness

z Disconnected NOx sensor

z Disconnected exhaust tempera-

ture sensor

z Disconnected DEF temperature

sensor

7 - 35

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INSTRUMENTS AND CONTROLS

Initial detected

Initial detected + 1 hour

Initial detected + 4 hours

Once a tampering is detected, a

1 hour after a tampering is detected,

4 hours after a tampering is

warning will be displayed, and a

engine torque is reduced by 25%.

detected, engine torque is reduced

warning light will be illuminated to

by 40%.

warn the driver.

Furthermore, the vehicle speed is

restricted to 5 mph (8 km/h) when

diesel fuel is refueled up to measur-

able level, or after keeping zero vehi-

cle speed for 20 minutes with engine

off or idle.

7 - 36

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INSTRUMENTS AND CONTROLS

SCR system fault warning

Engine oil temperature warning

CAUTION

When the SCR system fault, this

When the engine oil temperature

z These warning messages are

warning and warning message are

exceeds a specified temperature, an

displayed, contact the nearest

displayed and the warning light illu-

amber warning (moderate), a warn-

authorized UD Trucks dealer

minates to warn the driver.

ing message and comments are dis-

for inspection and mainte-

played.

nance.

If

the engine oil temperature

increases further, the color of the

warning will turn red (severe), and at

the same time a buzzer will sound to

warn the driver.

z

Immediately stop the vehicle in a

safe location and continue fast

idling until the engine oil tempera-

ture drops.

z

After the engine oil temperature

drops, stop the engine and check

the engine oil level, and look for

engine oil leaks.

z

If the engine oil temperature does

not decrease, have the system

CAUTION

inspected and serviced by the

z

This warning message is dis-

nearest authorized UD Trucks

played, contact the nearest

dealer.

authorized UD Trucks dealer

for inspection and mainte-

nance.

7 - 37

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INSTRUMENTS AND CONTROLS

Engine system warning

CAUTION

When the engine system malfunc-

z

The engine protection func-

tions due to the following causes, an

tion may provide torque derat-

amber warning (moderate), a warn-

ing to prevent the engine from

ing message and comments are dis-

being damaged, so have it

played.

inspected and serviced by the

If a malfunction becomes more

nearest authorized UD Trucks

severe, the color of the warning will

dealer.

turn red (severe), and at the same

z

Do not continue driving when

time a buzzer will sound to warn the

the warning is displayed and

driver.

the buzzer sounds.

WARNING

z Engine control system malfunction

z DPF system malfunction

z

Be careful not to get burned

during inspections conducted

immediately after driving

because the engine oil is still

very hot.

7 - 38

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INSTRUMENTS AND CONTROLS

Vehicle electrical system

Meter communication malfunction

CAUTION

malfunction warning

warning

z

Do not drive while the engine

When the vehicle electrical system

When the meter communication mal-

system warning is displayed.

malfunctions due to following

functions, a warning, a warning mes-

The engine protection func-

causes, an amber warning (moder-

sage and comments are displayed.

tion may provide torque derat-

ate) or red warning (severe), a warn-

When this warning appears, the fol-

ing to prevent the engine from

ing message and comments are

lowing will or may occur.

being damaged, so have it

displayed.

inspected and serviced by the

z Accelerator pedal position

(APP)

z Items that use CAN communica-

nearest authorized UD Trucks

sensor malfunction

tion such as the tachometer,

dealer.

z Power relay malfunction

engine oil pressure gauge, warn-

z

If the engine stops or is clearly

z Switch malfunction

ings for engine, etc. may not work

producing an abnormal sound

properly.

or vibration, contact the near-

est authorized UD Trucks

z If the engine control warning light

dealer.

illuminates, all communications

with the vehicle will stop.

z This warning message is dis-

played, have it checked at the

nearest authorized UD Trucks

dealer.

7 - 39

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INSTRUMENTS AND CONTROLS

z This warning message is dis-

Engine communication

Vehicle electrical system

played, have it checked at the

malfunction warning

communication malfunction

nearest authorized UD Trucks

warning

When the engine communication

dealer.

malfunctions, a warning, a warning

When the vehicle communication

message and comments are dis-

malfunctions, a warning, a warning

played.

message and comments are dis-

When this warning appears, the fol-

played.

lowing will occur.

When this warning appears, the fol-

lowing will occur.

z No warnings related to the engine

will appear.

z No warnings related to the vehicle

z Engine control warning light will

electrical system will appear.

illuminate.

z This warning message is dis-

z This warning message is dis-

played, have it checked at the

played, have it checked at the

nearest authorized UD Trucks

nearest authorized UD Trucks

dealer.

dealer.

7 - 40

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INSTRUMENTS AND CONTROLS

ATM fluid temperature warning

CAUTION

CAUTION

If automatic transmission fluid tem-

z

If the warning, warning mes-

Failures to take the following

perature rises above 250°F (121°C),

sage and comments are dis-

precautions may result in seri-

the warning, warning message and

played and the buzzer sounds,

ous transmission damage:

comments are displayed

and

the

stop the vehicle and operate

z When the warnings are dis-

warning buzzer will sound.

the engine at fast idle until the

played and a warning buzzer is

fluid temperature returns to

sounding, do not stop the

normal. Do not stop the engine

engine until you have per-

immediately. If the warnings

formed steps 2-5.

remains on, have the transmis-

z Never operate the vehicle

sion and cooling system

when the warnings are dis-

checked and repaired. Do not

played.

operate the vehicle.

2.Operate the engine at a fast idle

1.When the warnings are displayed

with the throttle control knob

and the warning buzzer sounds,

located to the left of the steering

immediately move the vehicle to a

column.

safe place. Apply the parking

3.Idle the engine until the engine

brake and shift the transmission to

coolant temperature (ECT) gauge

the neutral position.

needle points to the middle of the

gauge.

4.While idling the engine, check the

fluid level. If the level is on the low

side of the HOT band, add fluid

through the filler tube. Do not over-

fill.

5.If the warning light still remains on,

stop the engine. Have the trans-

7 - 41

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INSTRUMENTS AND CONTROLS

mission checked by an authorized ATM system warning

2.When a malfunction occurs and

UD Trucks dealer.

shifting becomes impossible in the

The automatic transmission system

N position, turn the ignition key to

warning, warning message and com-

OFF position to stop the engine

ments will be displayed when the

and restart it. When malfunction is

transmission control module (TCM)

intermittent, the TCM resets and

detects a malfunction.

driving becomes possible.

3.If the warnings still remains on,

stop the engine. Have the trans-

mission checked by an authorized

UD Trucks dealer.

CAUTION

z When a vehicle is stopped and

engine speed is raised for a

long time with the gear shifted

to other than the N position,

1.The automatic transmission sys-

fluid temperature increases

tem warnings will be displayed

and the transmission will be

when the TCM detects a malfunc-

damaged. Do not keep the

tion. At this time a diagnostic trou-

engine in that circumstance

ble code (DTC) is set in the TCM

more than 30 seconds.

and transmission cannot be

shifted. Depending on the malfunc-

tion, the TCM does not respond to

gear shifting operation and the cur-

rent gear is fixed.

7 - 42

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INSTRUMENTS AND CONTROLS

WARNING AND

Engine control warning light

INDICATOR LIGHTS

This warning light illuminates when a

problem occurs in the engine control

Air pressure warning light

system.

z This light turns off after about 16

If the air pressure drops and the

meter indicator falls below the red

seconds or engine is started and

zone, the warning light will turn on

the system is normal.

and the buzzer will sound to warn

the driver. The buzzer will stop when

Lights that illuminate when the igni-

tion key is turned to the ON posi-

the vehicle stops and the parking

tion.

brake is pulled to the park position.

WARNING

Red zone: 78 psi (539 kPa)

When

When

Operation status

normal

abnormal

(5.5 kgf/cm²) or less.

z

Immediately stop driving if the

low air pressure warning light

Ignition key ON

ON

z

If the warning light illuminates,

illuminates, the warning buzzer

before start the

(about 15

-

engine

seconds)

immediately stop the vehicle in a

sounds, or the air pressure

safe location and leave the engine

gauge indicator is in the red

Engine running

OFF

ON

zone. Not doing so is very dan-

and Engine stall

idling to increase the air pressure.

gerous because the brakes,

z

If the warning light does not turn off

clutch, or gearshift could stop

even though idling is continued,

working.

contact the nearest authorized UD

z

Immediately stop the vehicle in

Trucks dealer.

a safe location when this warn-

ing light illuminates. Continu-

ing to drive in this condition

could cause the spring brake

to operate, which would make

driving impossible.

7 - 43

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INSTRUMENTS AND CONTROLS

is empty (the level is zero) and

ABS warning light

the engine control warning light

The warning light comes on when

illuminates, add DEF. However,

there is an abnormality in the ABS

the engine control warning light

(Anti-lock Brake System). Under nor-

may not turn off.

mal operation, the warning light

In this case, turn the ignition key

comes on with the engine stopped

to the OFF position, wait for

and the ignition key turned to the ON

about

10 seconds and then

position. The warning light goes out

restart the engine. Then, if the

after about 3.0 seconds if there is no

engine control warning light

malfunction in the ABS.

turns off, there is no malfunc-

tion in the engine control sys-

tem.

CAUTION

z

Do not drive while the engine

control light is illuminated.

This could cause decreased

fuel economy or decreased

power, so have it inspected

and serviced by the nearest

authorized UD Trucks dealer.

z

If the engine stops or is clearly

producing an abnormal sound

or vibration, contact the near-

est authorized UD Trucks

dealer.

NOTE:

z When the amount of aftertreat-

ment diesel exhaust fluid (DEF)

7 - 44

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INSTRUMENTS AND CONTROLS

Engine coolant level warning light

WARNING

When the engine coolant level

z If the vehicle is operated with

decreases below a specified level,

the warning light illuminated,

the warning light comes on and at

stable braking may not be

the same time a buzzer will sound

obtained depending on road

to warn the driver.

conditions. Have the vehicle

checked and repaired by an

z

If the warning light comes on and

authorized UD Trucks dealer or

the temperature gauge indicator is

other qualified service facility.

still within the normal zone, imme-

diately stop the vehicle in a safe

NOTE:

location, stop the engine, and then

z Take care since the anti-lock

add engine coolant. When supply-

brake system serves as only a

ing the coolant, also check the

conventional brake system

cooling system for leaks.

while the warning light is on.

z

If the warning light comes on and

the temperature gauge indicator is

approaching to the high tempera-

ture zone or in the high tempera-

ture zone, keep the engine idling

and do not touch the coolant reser-

voir tank cap until the engine cool-

ant temperature drops to the

normal range.

7 - 45

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INSTRUMENTS AND CONTROLS

Parking brake warning light

Brake warning light

WARNING

The warning light comes on when

the parking brake valve is engaged.

z

Never operate the vehicle with

The light also comes on when air

the warning light on. The ser-

pressure drops below approximately

vice brake will not provide nor-

mal braking action. The vehicle

54 psi (373 kPa) (3.8 kgf/cm²). Be

should be towed and not to

sure that the warning light is off

driven to the UD Trucks dealer.

before moving the vehicle.

If the air pressure drops to approxi-

mately 40 psi (275 kPa) (2.8 kgf/

cm²) in both front and rear brake

system, the parking brake will auto-

matically be applied.

<Brake shoe clearance (Not applica-

ble to UD3300)>

The warning light comes on and the

warning buzzer sounds if brake shoe

clearance is excessive or if there is a

brake system malfunction. The

buzzer will stop when the vehicle is

stopped and the parking brake is

engaged.

Have the brake system checked and

repaired by an authorized UD Trucks

dealer or a qualified brake service

facility.

In this case, refer to the item

“Releasing parking brake” in In case

of emergency / Trouble-shooting.

7 - 47

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