Lights Lexus CT200h 2012 (in English) Repair Manual

559
4-3. Do-it-yourself maintenance
4
Maintenance and care
CT200h_OM_OM76067E_(EE)
LED lights
The headlight low beams (LED type), front position lights, daytime running
lights, side turn signal lights, stop/tail lights and high mounted stoplight
consist of a number of LEDs. If any of the LEDs burn out, take your vehicle
to any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional to have the light replaced.
Condensation build-up on the inside of the lens
Contact any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional for more information in the following situations.
Temporary condensation build-up on the inside of the headlight lens does
not indicate a malfunction.
Large drops of water have built up on the inside of the lens.
Water has built up inside the headlight.
When replacing light bulbs
P. 5 4 4
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. Hold the
bulb by the plastic or metal portion.
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.

562
CT200h_OM_OM76067E_(EE)
5-1. Essential information
Emergency flashers
Emergency flashers
If the emergency flashers are used for a long time while the hybrid system is
not operating (while the “READY” indicator is not illuminated), the 12-volt
battery may discharge.
The emergency flashers are used to warn other drivers when the vehi-
cle has to be stopped in the road due to a breakdown, etc.
Press the switch.
All the turn signal lights will
flash. To turn them off, press
the switch once again.

5
571
When trouble arises
CT200h_OM_OM76067E_(EE)
5-2. Steps to take in an emergency
If a warning light turns 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
system. Immediately stop the vehicle in a safe place and contact
any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
*: Brake system warning buzzer:
When there is a possible problem that could affect braking perfor-
mance, the warning light will come on and a warning buzzer will
sound.
Parking brake engaged warning buzzer:
P. 5 8 4
Warning lightWarning light/Details
Brake system warning light and warning buzzer (red
indicator)
*
• 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
comes on or flashes. If a light comes on or flashes, but then goes off,
this does not necessarily indicate a malfunction in the system. How-
ever, if this continues to occur, have the vehicle inspected by any
authorized Lexus dealer or repairer, or another duly qualified and

5
577
5-2. Steps to take in an emergency
When trouble arises
CT200h_OM_OM76067E_(EE)
If the malfunction indicator lamp comes on while driving
The malfunction indicator lamp will come on if the fuel tank becomes com-
pletely empty. If the fuel tank is empty, refuel the vehicle immediately. The
malfunction indicator lamp will go off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional as soon as possible.
Customization that can be configured at any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features P. 667)
However, Lexus recommends that the seat belt reminder buzzer be opera-
tional to alert the driver and front passenger when seat belts are not fastened.
CAUTION
If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional. The vehicle will become extremely unstable during braking, and the
ABS system may fail, which could cause an accident resulting in death or
serious injury.
When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold
firmly and operate using more force than usual.

584
5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)
Warning messageDetailsCorrection procedure
(Flashes)
Indicates, if the vehicle
reaches a speed of 5 km/
h (3 mph), that the park-
ing brake is still engaged
Release the parking
brake.
(Flashes)
Indicates that the
“POWER” switch is
turned off or turned to
ACCESSORY mode
and the driver’s door is
opened while the lights
are turned on.
Turn the lights off.
(If equipped)
Indicates that Lexus
parking assist-sensor is
dirty or covered with
ice
Clean the sensor.

5
627
5-2. Steps to take in an emergency
When trouble arises
CT200h_OM_OM76067E_(EE)
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on the situ-
ation. Check the following and perform the appropriate procedure:
The hybrid system will not start even though the correct start-
ing procedure is being followed. (P. 198)
One of the following may be the cause of the problem:
The electronic key may not be functioning properly.
* (P.
630)
There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
There may be a malfunction in the immobilizer system.
*
(P. 135)
There may be a malfunction in the P position control sys-
tem.
* (P. 202, 580)
*: It may not be possible to shift the shift position other than P.
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 12-volt battery may be discharged. (P. 508)
The 12-volt battery terminal connections may be loose or

628
5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)
Emergency start function
When the hybrid system does not start, the following steps can be
used as an interim measure to start the hybrid system if the
“POWER” switch is functioning normally:
Set the parking brake.
Turn the “POWER” switch to ACCESSORY mode.
Press and hold the “POWER” switch for about 15 seconds
while depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Have the vehicle inspected by any
authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
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 12-volt battery terminals may be discon-
nected.
The 12-volt battery may be discharged. (P. 508)
Contact any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional if the problem cannot be
repaired, or if repair procedures are unknown.
STEP1
STEP2
STEP3

636
5-2. Steps to take in an emergency
CT200h_OM_OM76067E_(EE)
Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
To prevent 12-volt battery discharge
Turn off the headlights and the audio system while the hybrid system is
off.
Turn off any unnecessary electrical components when the vehicle is run-
ning at a low speed for an extended period, such as in heavy traffic.
When the 12-volt battery is removed or discharged
The hybrid system may not start. (P. 5 1 1 )
If the 12-volt battery discharges while the shift position is in P, it may not
be possible to shift the shift position to other positions. In this case, the
vehicle cannot be towed without lifting both front wheels because the
front wheels will be locked. (P. 563)
When the 12-volt battery is reconnected, start the hybrid system and
confirm that the shift position can be changed to each position using the
shift position indicator.
Make sure that the key is not inside the vehicle when recharging or
replacing the 12-volt battery. The key may be locked in the vehicle if the
alarm is activated. (P. 142)
Charging the 12-volt battery
The electricity stored in the 12-volt battery will discharge gradually even
when the vehicle is not in use, due to natural discharge and the draining
effects of certain electrical appliances. If the vehicle is left for a long time,
the 12-volt battery may discharge, and the hybrid system may be unable to
start. (The 12-volt battery recharges automatically while the hybrid system
is operating.)

658
6-1. Specifications
CT200h_OM_OM76067E_(EE)
Ignition system
Electrical system
Spark plug
MakeDENSO SC20HR11
Gap1.1 mm (0.043 in.)
NOTICE
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
12-volt battery
12.6  12.8 V Fully charged
12.2  12.4 V Half charged
11.8  12.0 V Discharged
(Voltage is checked 20 minutes after the hybrid
system and all lights are turned off.)Open voltage
at 20 C (68 F):
Charging rates
With a navigation system or alarm
4.2 A max.
Without a navigation system and alarm
3.5 A max.

664
6-1. Specifications
CT200h_OM_OM76067E_(EE)
Light bulbs
A: H11 halogen bulbs
B: H9 halogen bulbs
C: Wedge base bulbs (clear)
D: Wedge base bulbs (amber)
E: Double end bulbs
*: If equipped
Light BulbsWTy p e
Exterior
Headlights
Low beam (halogen bulbs)
*
High beam
55
65A
B
Front fog lights*55A
Front turn signal lights21D
Rear turn signal lights21D
Back-up lights16C
Rear fog light21C
License plate lights5C
Interior
Front interior/personal lights5C
Rear interior light8E
Vanity lights8C
Luggage compartment light5E