lights TOYOTA IQ 2012 Service Manual

380 4-3. Do-it-yourself maintenance
iQ_WE_74014EFront turn signal lights
Turn the bulb base counterclock-
wise.
Remove the light bulb.
When installing, reverse the steps listed.

381 4-3. Do-it-yourself maintenance
4
Maintenance and care
iQ_WE_74014EBack-up lights/rear fog light, tail/stop lights and rear turn sig-
nal lights
Open the back door and remove
the cover.
Use a flathead screwdriver which
is wrapped with a cloth.
Turn the bulb bases counter-
clockwise.
Tail/stop light
Rear turn signal light
Back-up light or rear fog light
Remove the light bulb.
Tail/stop light
Rear turn signal light
Back-up light or rear fog light
When installing, reverse the steps listed.

382 4-3. Do-it-yourself maintenance
iQ_WE_74014ELicense plate lights
Disengage the claws.
Use a flathead screwdriver which
is wrapped with a cloth.
Remove the license plate light.
Turn the bulb base counterclock-
wise.
Remove the light bulb.

383 4-3. Do-it-yourself maintenance
4
Maintenance and care
iQ_WE_74014EWhen installing, reverse the steps listed.
Replacing the following bulbs
If any of the lights listed below has burned out, have it replaced by
any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
Side turn signal lights
High mounted stoplight
When replacing the headlights
When installing a cover.
Right side headlight: Be sure to install the washer inlet properly.
Left side headlight: Be sure to install the fuse cover properly.
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 any authorized Toyota dealer or repairer,
or another duly qualified and equipped professional for more information in
the following situations:
Large drops of water are built up on the inside of the lens.
Water has built up inside the headlight.
Fix the harness using the projection point
on the cover. Harness
Projection
point

384 4-3. Do-it-yourself maintenance
iQ_WE_74014E
LED light bulbs
The high mounted stoplight consist of a number of LEDs. If any of the LEDs
burn out, take your vehicle to any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional to have the light replaced.
CAUTION
Replacing light bulbs
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.
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.
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.
To prevent damage or fire
Make sure bulbs are fully seated and locked.

386
iQ_WE_74014E
5-1. Essential information
Emergency flashers
Use the emergency flashers if the vehicle malfunctions or is
involved in an accident.
Vehicles with manual air conditioning system
Press the switch to flash all
the turn signal lights. To turn
them off, press the switch
once again.

5
387 5-1. Essential information
When trouble arises
iQ_WE_74014E
NOTICE
To prevent battery discharge
Do not leave the emergency flashers on longer than necessary when the
engine is not running.
Vehicles with automatic air conditioning system
Press the switch to flash all
the turn signal lights. To turn
them off, press the switch
once again.

5
397
When trouble arises
iQ_WE_74014E
5-2. Steps to take in an emergency
If a war ning light tur ns on or a warning buzzer sounds...
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
The following warning indicates a possible problem in the brake sys-
tem. Immediately stop the vehicle in a safe place and contact any
authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
*: Parking brake engaged warning buzzer:
The buzzer sounds to indicate that parking brake is still engaged (with the
vehicle having reached a speed of 5 km/h [3 mph])
Warning lightWarning light/Details
Brake system warning light (warning buzzer)
*
• Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released, the system is operating normally.
Calmly perform the following actions if any of the warning lights turn
on or flash. If a light turns on or flashes, but then turns off, this does
not necessarily indicate a malfunction in the system.

5
423
5-2. Steps to take in an emergency
When trouble arises
iQ_WE_74014E
If the engine will not start
If the engine still does not start after following the correct starting
procedure (P. 176, 179) or releasing the steering lock (P. 177,
182), confirm the following points.
The engine will not start even when the starter motor oper-
ates normally.
One of the following may be the cause of the problem.
There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. (P. 176, 179)
There may be a malfunction in the engine immobilizer system.
(P. 108)
The starter motor turns over slowly, the interior lights and
headlights are dim, or the horn does not sound or sounds at
a low volume.
One of the following may be the cause of the problem.
The battery may be discharged. (P. 430)
The battery terminal connections may be loose or corroded.
The starter motor does not turn over. (vehicles with smart
entry & start system)
The engine starting system may be malfunctioning due to an
electrical problem such as an open circuit or a blown fuse. How-
ever, an interim measure is available to start the engine.
(P. 424)

424 5-2. Steps to take in an emergency
iQ_WE_74014E
Emergency start function (vehicles with smart entry & start system)
When the engine does not start, the following steps can be used as
an interim measure to start the engine if the “ENGINE START STOP”
switch is functioning normally.
Set the parking brake.
Put the shift lever in P (Multidrive) or N (manual transmission).
Set the “ENGINE START STOP” switch to the ACCESSORY
mode.
Vehicles with a Multidrive: Press and hold the “ENGINE
START STOP” switch for about 15 seconds while depressing
the brake pedal firmly.
Vehicles with a manual transmission: Press and hold the
“ENGINE START STOP” switch for about 15 seconds while
depressing the brake pedal firmly and also depressing the
clutch pedal.
Even if the engine can be started using the above steps, the system
may be malfunctioning. Have the vehicle checked by any authorized
Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional.
The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem.
One or both of the battery terminals may be disconnected.
The battery may be discharged. (P. 430)
There may be a malfunction in the steering lock system (vehi-
cles with smart entry & start system).
Contact any authorized Toyota dealer or repairer, or another duly
qualified and equipped professional, if the problem cannot be
repaired, or if repair procedures are unknown.