UD Trucks. Owner’s Manual (2011-2013)

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INSTRUMENTS AND CONTROLS

Tilt lock warning light

WARNING

If the tilt lock of the cab is improperly

z Never operate the vehicle with

Never drive the vehicle while

latched, the warning light will come

the warning light on and a

the warning light is on and the

on and the warning buzzer will

warning buzzer sounding. The

warning buzzer is sounding.

sound.

brakes may provide less effec-

The brakes will not provide

When the tilt lock is secure, the

tive action or become totally

normal braking effectiveness

warning light will go off and the warn-

ineffective.

and may become totally inef-

ing buzzer will stop sounding.

fective. Determine cause of

<Brake fluid level (Not applicable to

brake fluid loss, repair system,

UD3300)>

and refill brake fluid.

When the fluid level in the brake fluid

reservoir drops below the normal

operating level, the warning light

comes on and a warning buzzer

sounds. The buzzer stops 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

When the warning light comes on

facility.

and the warning buzzer sounds,

immediately move the vehicle to a

safe place. To do this, apply the

brake slowly.

Correct the tilt lock of the cab, and

make sure that the cab is securely

locked and the warning light is off. If

the warning light does not turn off,

have the tilt lock system checked at

7 - 48

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INSTRUMENTS AND CONTROLS

an authorized UD Trucks dealer or

ATM shift limit warning light

CAUTION

other qualified service facility.

(Allison 1000, 2200 and 2500

series)

z Do not drive the vehicle if the

warning light remains on. Have

WARNING

The warning light comes on when

the vehicle checked by an

there has been an error in operation

authorized UD Trucks dealer

Do not operate the vehicle

or when the safety circuit has been

when the warning light is on

activated. It indicates that the

and the warning buzzer is

Shift limit

change from the current range to

sounding. Otherwise, if the

Under the following conditions, the

another specified range cannot be

brake is used during driving,

transmission control module (TCM)

done.

the cab could raise, causing a

prohibits gear shifting for the pur-

For Allison 3000 series, refer to the

serious accident.

pose of transmission protection, as

"SHIFT LIMIT warning message" on

the reaction of diagnostic trouble

page 10-30.

code (DTC) or a safety measure of

optional functions.

1.Idling too high: At

1,000 rpm or

higher, shifting from the Neutral is

prohibited.

2.Forward/reverse

change-over:

When the vehicle is moving at over

a specified speed, forward/reverse

change-over is prohibited. If this

occurs, stop the vehicle, and shift

first to P or N. then depress the

brake pedal and shift to the

desired driving range.

3.Transmission failure: When the

TCM receives abnormal signals,

gear shifting is limited to protect

7 - 49

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INSTRUMENTS AND CONTROLS

the system from major troubles.

Exhaust gas high temperature

ATM maintenance information

The SHIFT LIMIT warning light

indicator light

light

and the ATM SYSTEM warning

This indicator does not indicate a

This light will illuminate when the

light illuminate and transmission is

system malfunction, however it

ATM should be serviced as soon as

fixed to a safety range. When the

alerts the driver of the high tempera-

possible for its components such as

lock up clutch is engaged, it will be

ture of the system.

fluid, filter or clutch.

disengaged.

For details, refer to the section

DANGER

"Automatic transmission mainte-

nance schedule" on page 11-12.

z Exhaust

component and

exhaust gas are at extremely

high temperature when this

CAUTION

warning light becomes on.

z Do not continue driving the

z When parking vehicle keep

vehicle with the ATM mainte-

away from people, or any flam-

nance information light on.

mable materials, vapors or

Doing so may cause damage

structures.

to the ATM.

7 - 50

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INSTRUMENTS AND CONTROLS

Turn signal and hazard indicator

Exhaust brake indicator light

Intake air heater indicator light

light

The indicator light will come on if the

The indicator light will come on when

exhaust brake switch is turned on

When the turn signal switch is oper-

the ignition key is turned to the ON

and the exhaust brake is operating.

ated, the left or right indicator light

position to preheat intake air. When

flashes. When the hazard warning

the light goes off, the engine is ready

flasher switch is turned to the ON

to start.

position, the left and right indicator

lights flash simultaneously.

NOTE:

z Do not crank the engine until the

indicator light goes off.

The intake air heater will not activate

unless the engine coolant tempera-

ture drops below normal operating

temperature.

The engine coolant temperature

determines whether the indicator

light stays off or comes on when the

ignition key is turned to the ON posi-

tion.

7 - 51

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INSTRUMENTS AND CONTROLS

High beam indicator light

Automatic transmission O/D OFF

POWER MODE indicator light

indicator light (Allison 1000, 2200

This indicator light comes on when

The indicator light will come on when

and 2500 series)

the dimmer switch is set to the high

the power mode switch is set to the

beam position with the lighting

This indicator comes on when the

power mode.

switch in the second position or the

overdrive switch is turned OFF. The

passing switch is operated.

overdrive switch is located on the

While operating, the indicator light in

selector lever.

the switch come on. (Allison 1000,

2200, 2500 series)

Allison 1000, 2200, 2500 series

While operating, both the indicator

light in the power mode switch and

the indicator light on the multi-dis-

play monitor come on. (Allison 3000

series)

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INSTRUMENTS AND CONTROLS

SWITCHES AND BUTTONS

Engine throttle control knob

Allison 3000 series

The automatic adjustment of engine

idling speed

z When the knob is turned all the

way to the left (counterclockwise),

The engine throttle control knob,

automatic idling mode will be

located to the left of the steering col-

reached, and the engine idling

umn, can be used to adjust engine

speed will be adjusted automati-

idling speed. Normal engine idling

cally according to the temperature

speed is 550 rpm. If equipped with

of the engine coolant.

automatic transmission, make sure

z Normally, this should be turned all

the engine idling speed is 550 rpm at

the way to the left (counterclock-

the forward range.

Allison 3000 series

wise).

7 - 53

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INSTRUMENTS AND CONTROLS

Engine warm-up switch

CAUTION

The engine warm-up system oper-

The manual adjustment mode

ates the exhaust shutter during

is canceled while driving. Set

idling to shorten the engine warm-

to the automatic adjustment

up time and temperature of the

mode while driving.

engine coolant.

Turn the knob carefully, or the

Note that the engine warm-up sys-

engine speed may increase too

tem can only be used when the

quickly.

vehicle is stopped.

For information regarding the oper-

The manual adjustment of engine

ation method, refer to the section

idling speed

“To quickly warm up the engine” of

z Stop the vehicle and apply the

Vehicle Operation.

parking brake before performing

manual adjustment.

z When the knob is turned to the

right

(clockwise), the mode

changes from automatic idling

mode to manual adjustment mode,

the engine speed will increase,

and adjustment up to about 980

rpm will become possible.

7 - 54

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INSTRUMENTS AND CONTROLS

engine speed is increased, or

Windshield wiper, washer and

WARNING

the clutch pedal is depressed.

exhaust brake switch

If the engine coolant tempera-

Do not warm up the engine in

ture rises abnormally when the

Windshield wiper and washer

areas with poor ventilation.

engine warm-up switch is ON,

the engine warm-up system will

automatically cancel it.

CAUTION

When not warming up the

engine, leave the engine warm-

up switch OFF. Leaving it on

could worsen the fuel econ-

omy when idling.

Leave the engine warm-up

switch OFF when the transmis-

sion PTO is operating.

The windshield wiper control

When turning ON the engine

located on the lever mounted on the

warm-up switch, put the throt-

right side of the steering column.

tle control knob in the AUTO

position. Turning the engine

z Turning this switch turns on the

warm-up switch to ON when at

wipers, and washer liquid is

high speed could generate

sprayed while pushing the switch

black smoke, although this

on the end of the lever.

only occurs rarely.

INT: Intermittent operation

NOTE:

LO: Operates at a low speed

z Even if the engine warm-up

HI: Operates at a high speed

switch is ON, the engine warm-

up system will cancel it if the

vehicle is being driven, the

7 - 55

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INSTRUMENTS AND CONTROLS

z Operating the wipers when the

Exhaust brake

CAUTION

wiper blades are stuck or frozen to

the glass will cause the wiper stop

Do not operate the windshield

function to operate and temporarily

wipers when the windshield is

dry. Dry wiper operation will

stop the wipers (for about 10 sec-

scratch the windshield.

onds). When this happens, be sure

To avoid damage to the washer

to turn off the wiper switch and

motor, do not operate the

remove what is causing the wiper

windshield washer continu-

blades to stick before operating

ously for more than 20 sec-

the wipers again.

onds or with no washer fluid in

the tank.

To avoid damage to the wiper

WARNING

blades, do not operate the wip-

Operating instructions for exhaust

ers when the windshield is

brake

Do not use cooling system

iced over.

Exhaust brake provides additional

solution in the windshield

The windshield wiper motor is

engine braking effect. Use it as an

washer fluid reservoir. When

protected by a circuit breaker

auxiliary brake when descending a

sprayed on the windshield,

in addition to a fuse. If the

prolonged grade or when decelerat-

cooling system solution can

motor overheats, due to over-

ing from high speeds. The exhaust

significantly affect visibility.

load caused by heavy snow,

brake is controlled by the exhaust

To reduce the possibility of

etc., the wiper will remain

brake switch lever located on the

washer fluid freezing on the

stopped until the motor cools.

right side of the steering column.

windshield which may reduce

Be sure to have the cause of

visibility, use the defroster to

To apply the exhaust brake, move

the overload corrected.

warm the windshield.

the lever upward to the ON position

with the accelerator and clutch ped-

als released and shift gear in other

than neutral. An indicator light on the

instrument panel comes on when the

7 - 56

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INSTRUMENTS AND CONTROLS

lever is in the ON position and the

If the exhaust brake is released by

Lighting, dimmer, passing and

exhaust brake is operating.

depressing the accelerator pedal

turn signal switch

The exhaust brake is activated only

suddenly and not by operating the

This switch lever mounted on the left

when both clutch and accelerator

lever, it may cause fuel injection into

side of the steering column operates

pedals are released. The purpose of

the engine with a blocked exhaust

and dims the headlights. It also

these provisions is to protect the

system and subsequent puff of black

serves as a turn signal and passing

engine and to improve driveability.

smoke and possible exhaust pipe

switch.

overheating.

To release the exhaust brake, move

the lever downward to the OFF posi-

Lighting

While the vehicle is stationed, con-

tion. Depressing either the accelera-

firm exhaust brake actuation by fol-

tor or clutch pedal can release the

lowing procedures:

exhaust brake, but it is preferable to

use the lever to release the exhaust

1.Move the exhaust brake switch

brake.

lever upward to the ON position

NOTE:

2.Confirm that the exhaust brake

z The wheels could slip when

indicator light illuminates and

using the exhaust brake while

that the engine sound changes

driving on slippery roads or

at the same time.

over bumps, etc., which could

cause the ABS to operate and

the exhaust brake to be tempo-

Turn the

knob

the

end

the

rarily cancelled and the indica-

switch lever to the 1st or 2nd position

tor light to turn off, but this is

to operate the following lights.

normal ABS operation and is

not a problem. Try to drive care-

fully taking into consideration

the road conditions, the inter-

vehicular distance, and other

factors.

7 - 57

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INSTRUMENTS AND CONTROLS

Knob

* The daytime running lights comes

Dimmer, passing and turn signal

Light name

position

on when:

1st

2nd

z The ignition key is turned ON.

z The headlight is turned off

(with

Tail light

the lighting switch in the OFF or

1st position).

License plate light

z The parking brake is released.

(After the headlight comes on, it

will not turn off when operating the

Front position light

parking brake.)

Instrument cluster illumi-

NOTE:

nation light

z If the lighting switch is in the 1st

position, daytime running light

Heater or Air conditioner

To operate the left turn signal, pull

control illumination light

does not go out by turning off

the turn lever on the left side of the

the key switch. The light goes

steering column down beyond the

Automatic transmission

out when the lighting switch is

selector control illumina-

resistance. To operate the right turn

tion light

turned off.

signal, push the lever up beyond the

resistance. The lever will automati-

Clearance and identifica-

tion light

cally return to the neutral position

after the turn is completed. When

operating the left or right signal, con-

Headlight

firm that the TURN SIGNAL AND

HAZARD indicator light flashes.

*Daytime running light

When the ON-OFF intervals are

unusually short, the bulb is probably

burned out.

7 - 58

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INSTRUMENTS AND CONTROLS

Hazard warning flasher switch

Cruise Control

WARNING

Cruise Control is a device that allows

z Replace the burned-out bulb

a vehicle to be driven at a set con-

as soon as possible.

stant speed without depressing the

accelerator pedal with your foot. This

To change the headlights to high

is useful when driving on express-

beam, push the turn lever forward.

ways and at other times when there

To return the headlights to low beam

is no need to accelerate or brake fre-

pull the lever to its normal position.

quently. Cruise Control is engaged

An indicator light on the instrument

by switching it on at the speed you

panel comes on when the headlights

want to maintain.

are on high beam.

The hazard warning flasher switch is

The headlight high beams can be

located on the lever mounted on the

momentarily operated as a signal

right side of the steering column.

when passing another vehicle by

Use the switch to warn approaching

pulling the turn lever towards the

vehicles during an emergency stop or

driver. The lever will return to the

other extraordinary conditions. Pull the

neutral position when released.

switch lever to activate the hazard

Return the headlights to the low

warning flashers. When the switch is

beam position as a courtesy when

operated, both the outside left and

overtaking vehicles or meeting

right turn signals and TURN SIGNAL

oncoming traffic.

AND HAZARD indicator lights flash.

Pull the switch lever to turn off the

flashers. The switch can be used with

the ignition key in any position.

NOTE:

z Turn flasher signals do not work

when the switch is operating.

7 - 59

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INSTRUMENTS AND CONTROLS

Cruise Control operation instruc-

WARNING

tions

To prevent loss of control and an

To set Cruise Control to preferred

accident, do not use Cruise Con-

constant speed

trol under the following road

1.Make sure the exhaust brake

conditions.

switch is in the OFF position.

When the roads are slippery,

2.Turn the Cruise Control main

such as when they are icy or

snowy or wet.

switch to the ON position. Confirm

When descending steep

that the Cruise Control ON indica-

slopes and engine braking is

tor light is illuminated.

not sufficient, thus allowing

3.When the preferred speed is

the vehicle to exceed the set

reached, press and release the

speed.

Cruise Control Set and Coast But-

When driving in traffic condi-

ton located at the end of the com-

tions that require frequent

bination switch.

acceleration and deceleration,

such as roads with heavy traf-

fic on city streets, winding

roads or roads with sharp

curves.

7 - 60

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INSTRUMENTS AND CONTROLS

To increase the set speed

There are three ways to increase

Depress the accelerator pedal to

speed:

increase to the preferred speed

quickly, and when the preferred

speed is reached, press and

z Press and immediately release

release the Set and Coast Button

(within 0.5 second) the Accelerate

to set the speed.

and Resume switch to increase

the set speed 0.6 mph (1 km/h) at

a time.

4.Remove your foot from the accel-

Press and hold the Accelerate and

erator pedal.

Resume switch until the preferred

speed is reached, and then

To temporarily accelerate

release the switch to set the

Accelerate by depressing the accel-

erator pedal.

speed.

You can then return to the originally

set speed by removing your foot

from the accelerator pedal and

To decrease the set speed

allowing the vehicle to gradually slow

There are three ways to decrease

down to the set speed.

speed:

z Press and immediately release

(within

0.5 second) the Set and

Coast Button to decrease the set

speed 0.6 mph (1 km/h) at a time.

7 - 61

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INSTRUMENTS AND CONTROLS

Set and Coast Button to set the

Press and hold the Set and Coast

speed.

Button until the preferred speed is

To temporarily cancel the Cruise

reached, and then release the but-

Control

ton to set the speed.

Cruise Control will be temporarily

cancelled in the following situations.

z When you depress the brake

pedal.

z When you depress the clutch

pedal.

NOTE:

z When the gear shift lever or selec-

Cruise Control will be temporarily

tor lever is moved to neutral.

cancelled in the following situa-

z When the exhaust brake switch is

tions.

switched to the operation position.

When the Set and Coast Button

z When the vehicle speed drops

and the Accelerate and Resume

NOTE:

below approximately 22 mph (35

switch are pressed at the same

z If you continue to press and

km/h).

time.

hold the Set and Coast Button,

When the Cruise Control is tempo-

When a malfunction occurs

the speed will not drop below

rarily cancelled, Cruise Control ON

within the system.

approximately 22 mph (35 km/h),

indicator light continues to illuminate

it is set at a speed of approxi-

and Cruise Control SET indicator

mately 22 mph (35 km/h).

light turns off.

z Depress the brake pedal to

decrease to the preferred speed

quickly. When the preferred speed

is reached, press and release the

7 - 62

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INSTRUMENTS AND CONTROLS

z When the ignition key is turned to

WARNING

the OFF position.

z Before cancelling the Cruise

Control, make sure that no car

is too close. Cancelling the

Cruise Control can signifi-

cantly reduce vehicle speed.

To resume the speed that was set

before cancellation

When Cruise Control has been tem-

porarily cancelled, pressing and

WARNING

releasing the Accelerate and

z When resuming your set

Resume switch will cause the vehi-

WARNING

speed, do not press and hold

cle to resume the speed that was set

the Accelerate and Resume

before cancellation.

To prevent the vehicle from

switch for any length of time.

Resume cannot be performed when

accidentally starting to move,

Doing so causes the set speed

vehicle speed is less than 19 mph

when not using Cruise Control,

to increase.

(30 km/h).

switch the Cruise Control main

switch to the OFF position.

To cancel the Cruise Control

The following situations will cancel

the Cruise Control and cause the

Cruise Control ON and SET indicator

lights to turn off.

z When the Cruise Control main

switch is switched to the OFF posi-

tion.

7 - 63

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INSTRUMENTS AND CONTROLS

Illumination control rheostat

Transmission PTO switch

NOTE:

z When the combination meter is

not illuminated, the brightness

of the multi-display meter

screen cannot be adjusted.

z If a warning or an indicator light

interrupts the monitor display of

the multi-display meter, the

monitor screen is brightened to

alert the driver regardless of the

adjusted illumination.

The illumination in the combination

This switch located on the instru-

meter turns on when the lighting

ment panel to the left of the steering

column, couples and uncouples

switch is in the 1st or in the 2nd

power flow to the transmission PTO.

position.

To turn the PTO ON, idle the engine,

The brightness can be adjusted by

depress the clutch pedal fully, and

turning the switch to the right and

depress the switch. The PTO indica-

left. Turn it to the right for brighter

tor and operation message will come

illumination and to the left for

on. To turn the PTO OFF, idle the

darker illumination.

engine, depress the clutch pedal

When the brightness is adjusted

fully, and depress the switch. The

while the combination meter is illu-

PTO indicator and operation mes-

minated, the brightness of the

sage will go out.

multi-display meter screen is

simultaneously adjusted.

7 - 64

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INSTRUMENTS AND CONTROLS

Power mode switch (ATM

This switch is located on the instru-

specification vehicles)

ment panel to the right of the steer-

ing column (Allison 1000, 2200 and

2500 series) or on the selector

switch to the right of the driver’s seat

(Allison 3000 series).

Select the normal or power mode

with the mode change switch

depending on the driving condition.

When the switch is pushed once, the

power mode will operate. When the

switch is pushed again, operation

CAUTION

stops (normal mode). While operat-

ing, the indicator light in the switch

Allison 1000, 2200, 2500 series

Never operate the

PTO while

illuminates and also the indicator on

driving the vehicle.

the multi-display comes on (Allison

Operate the PTO switch only

3000 series only).

when the vehicle is stopped.

The transmission gears may

be damaged if the switch is

operated while the vehicle is

moving.

Turn the PTO switch off before

starting the vehicle.

Depress the clutch pedal fully

before activating the PTO

switch to the ON or OFF posi-

Allison 3000 series

tion.

7 - 65

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INSTRUMENTS AND CONTROLS

Air suspension dump switch

Procedure for returning the bed to

the normal driving height

<UD2600 and UD3300 equipped

1.Check that there is no person or

with air suspension>

object under or near the vehicle.

2.After ensuring the safety around

the vehicle, start the engine and

push off the air suspension dump

switch. The bed is returned to the

normal driving height.

CAUTION

Operation procedure

Before operating the air sus-

Operation procedure for lowering

pension dump switch, check

the bed

that there is no person or

1.Stop the vehicle on a level ground.

This switch is located at the right

object under or near the vehi-

2.Pull up the parking brake valve

side of the heater control.

cle.

By operating this switch, the vehicle

and turn the ignition key to the ON

Before turning ignition key to

bed can be lowered by exhausting

or ACC position.

the OFF position or releasing

air from the air spring at the rear axle

3.Before operating the air suspen-

the parking brake, make sure

to facilitate loading/unloading work.

sion switch, check that there is no

that the bed is in the normal

person or object under or near the

driving height.

vehicle.

If the ignition key　is turned to

the OFF position or the parking

4.After confirming the safety, push

brake is released while the bed

the air suspension dump switch.

is in the lowered state, the bed

Air is exhausted from the air spring

will be automatically returned

at the rear axle and the bed is low-

to the normal driving height.

ered.

7 - 66

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INSTRUMENTS AND CONTROLS

Mirror heater switch (Optional)

The air suspension dump

CAUTION

switch will be activated only

After removing the fogging of

when the parking brake valve

the mirrors, immediately turn

is pulled up and the ignition

off the switch.

key is turned to the ON or ACC

If not, the battery may go dead.

position.

If the air suspension dump

switch is accidentally pressed

during driving, the bed will not

be lowered for safety but a

warning buzzer will sound.

BY pressing the dump switch

again, the warning buzzer

stops.

This switch is located at the right

side of the steering column.

By turning on the mirror heater

switch, the heaters incorporated in

the right and left outside mirrors are

energized and the mirrors are

defogged.

While the heaters are energized, the

indicator light in the switch stays illu-

minated.

7 - 67

UD Trucks. Owner’s Manual (2011-2013) - page 6