Scion iM. Service Manual - part 15

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6-3. Do-it-yourself maintenance

Scion iM_U (12J49U)

Check if the fuse is blown.

Normal fuse

Blown fuse

Type A, B and C:
Replace the blown fuse with a new fuse of an appropriate amperage rat-
ing. The amperage rating can be found on the fuse box lid.

Type D:
Contact your Scion dealer.

4

1
2



Type A



Type B



Type C



Type D

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n

After a fuse is replaced

l

If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. (

P. 242)

l

If the replaced fuse blows again, have the vehicle inspected by your Scion
dealer.

n

If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.

WARNING

n

To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.

l

Never use a fuse of a higher amperage rating than that indicated, or use
any other object in place of a fuse.

l

Always use a genuine Scion fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.

l

Do not modify the fuses or fuse boxes.

NOTICE

n

Before replacing fuses
Have the cause of electrical overload determined and repaired by your
Scion dealer as soon as possible.

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6-3. Do-it-yourself maintenance

Scion iM_U (12J49U)

Check the wattage of the light bulb to be replaced. (

P. 302)

n

Front

Light bulbs

You may replace the following bulbs yourself. The difficulty level
of replacement varies depending on the bulb. If necessary bulb
replacement seems difficult to perform, contact your Scion
dealer.

For more information about replacing other light bulbs, contact
your Scion dealer.

Preparing for light bulb replacement

Bulb locations

Headlights

Front turn signal lights

Front side marker lights

1
2
3

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Rear

n

Headlights

Remove the securing clip
and pull out the washer fluid
filler opening. (When replac-
ing right side bulb only.)

Remove the cover.

Back-up lights

Stop lights

Rear turn signal lights

License plate lights

Replacing light bulbs

1
2
3
4

1

2

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6-3. Do-it-yourself maintenance

Scion iM_U (12J49U)

Turn the bulb base counter-
clockwise and remove it.

Unplug the connector while
pressing the lock release.

Replace the light bulb, and
install the bulb base.

Align the 3 tabs on the light bulb
with the mounting and insert.

Turn and secure the bulb
base.

Shake the bulb base gently to
check that it is not loose, turn
the headlights on once and visu-
ally confirm that no light is leak-
ing through the mounting.

3

4

5

6

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Install the cover.

Make sure the protruding part

(A) is located between 

 and

 in the illustration and push

the perimeter of the cover firmly.

Install the washer fluid filler
opening and then install the
securing clip. (When replac-
ing right side bulb only.)

n

Front side marker lights

Turn the bulb base counter-
clockwise.

Remove the light bulb.

When installing, reverse the steps listed.

A

7

1

2

8

1

2

3

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6-3. Do-it-yourself maintenance

Scion iM_U (12J49U)

n

Front turn signal lights

Remove the securing clip
and pull out the washer fluid
filler opening. (When replac-
ing right side bulb only.)

Turn the bulb base counter-
clockwise.

Remove the light bulb.

When installing the light bulb, install by conducting 

 and 

with the directions reversed.

Install the washer fluid filler
opening and then install the
securing clip. (When replac-
ing right side bulb only.)

1

2

3

4

3

2

5

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Stop lights and rear turn signal lights

Open the back door and
remove the 2 screws.
Remove the lamp assembly
by pulling it straight back.

Turn the bulb base counter-
clockwise.

Stop lights

Rear turn signal lights

Remove the light bulb.

Stop lights

Rear turn signal lights

When installing the light bulb, install by conducting 

 and 

with the directions reversed.

Install the lamp assembly
and then install the 2 screws.

Align the guide (

) and pin

(

) on the lamp assembly with

the mounting when installing it.

1

2

1
2

3

1
2

4

3

2

5

1

2

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n

Back-up lights

Open the back door and
remove the cover.

Insert a flathead screwdriver or
similar into the hole at the top of
the cover and remove it as
shown in the illustration.

To prevent damaging the vehi-
cle, wrap the flathead screw-
driver with a tape.

Turn the bulb base counter-
clockwise and remove it.

Remove the light bulb.

When installing, reverse the steps listed.

1

2

3

4

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License plate lights

Remove the light unit.

Insert a flathead screwdriver or
similar into the hole next to the
light and remove it as shown in
the illustration.

To prevent damaging the vehi-
cle, wrap the flathead screw-
driver with a tape.

Turn the bulb base counter-
clockwise and remove it.

Remove the light bulb.

When installing, reverse the steps listed.

1

2

3

4

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Replacing the following bulbs

If any of the lights listed below has burnt out, have it replaced by
your Scion dealer.

l Parking lights/daytime running lights

l Rear side marker lights

l High mounted stoplight

l Tail lights

l Side turn signal lights

n

LED light bulbs
The parking lights/daytime running lights, rear side marker lights, high
mounted stoplight and tail lights consist of a number of LEDs. If any of the
LEDs burns out, take your vehicle to your Scion dealer to have the light
replaced.

n

Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not
indicate a malfunction.
Contact your Scion dealer for more information in the following situations:

l

Large drops of water have built up on the inside of the lens.

l

Water has built up inside the headlight.

WARNING

n

Replacing light bulbs

l

Turn off the lights. Do not attempt to replace the bulb immediately after
turning off the lights. 
The bulbs become very hot and may cause burns.

l

Do not touch the glass portion of the light bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clean dry cloth
to avoid getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.

l

Fully install light bulbs and any parts used to secure them. Failure to do so
may result in heat damage, fire, or water entering the headlight unit. This
may damage the headlights or cause condensation to build up on the lens.

n

To prevent damage or fire 
Make sure bulbs are fully seated and locked.

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7

When trouble arises

Scion iM_U (12J49U)

7-1. Essential information

Emergency flashers .......... 252

If your vehicle has to be 

stopped in an 
emergency ...................... 253

7-2.  Steps to take in an 

emergency

If your vehicle needs to 

be towed ......................... 254

If you think something is 

wrong .............................. 260

Fuel pump shut off 

system ............................ 261

If a warning light turns 

on or a warning buzzer 
sounds ............................ 262

If a warning message is 

displayed......................... 269

If you have a flat tire.......... 272

If the engine will not 

start ................................. 283

If the shift lever cannot be 

shifted from P.................. 284

If the vehicle battery is 

discharged ...................... 285

If your vehicle 

overheats ........................ 288

If the vehicle becomes 

stuck ............................... 291

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Scion iM_U (12J49U)

7-1. Essential information

Press the switch.

All the turn signal lights will flash.
To turn them off, press the switch
once again.

n

Emergency flashers
If the emergency flashers are used for a long time while the engine is not
operating, the battery may discharge.

Emergency flashers

The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.

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Steadily step on the brake pedal with both feet and firmly depress it.

Do not pump the brake pedal repeatedly as this will increase the effort
required to slow the vehicle.

Shift the shift lever to N.



If the shift lever is shifted to N

After slowing down, stop the vehicle in a safe place by the road.

Stop the engine.



If the shift lever cannot be shifted to N

Keep depressing the brake pedal with both feet to reduce vehicle
speed as much as possible.

Stop the engine by turning the
engine switch to the “ACC”
position.

Stop the vehicle in a safe place by the road.

If your vehicle has to be stopped in an 

emergency

Only in an emergency, such as if it becomes impossible to stop
the vehicle in the normal way, stop the vehicle using the follow-
ing procedure:

1

2

3
4

3

4

WARNING

n

If the engine has to be turned off while driving

l

Power assist for the brakes and steering wheel will be lost, making the
brake pedal harder to depress and the steering wheel heavier to turn.
Decelerate as much as possible before turning off the engine.

l

Never attempt to remove the key, as doing so will lock the steering wheel.

5

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Scion iM_U (12J49U)

7-2. Steps to take in an emergency

The following may indicate a problem with your transmission. Contact
your Scion dealer or commercial towing service before towing.

l The engine is running but the vehicle does not move.

l The vehicle makes an abnormal sound.

If your vehicle needs to be towed

If towing is necessary, we recommend having your vehicle
towed by your Scion dealer or commercial towing service, using
a wheel-lift type truck or flatbed truck.
Use a safety chain system for all towing, and abide by all state/
provincial and local laws.

Situations when it is necessary to contact dealers before towing

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7-2. Steps to take in an emergency

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Do not tow with a sling-type truck
to prevent body damage.

Towing with a sling-type truck

Towing with a wheel-lift type truck



From the front



From the rear

Release the parking brake.

Use a towing dolly under the
front wheels.