Toyota Yaris: Lighting System / Precaution
PRECAUTION
PRECAUTION FOR BULB REPLACEMENT
(a) Always prepare a new bulb for immediate replacement. While replacing the bulb, the lens may attract dust and moisture if the bulb is removed from the vehicle for a long time.
(b) Always replace a bulb with another bulb of the same wattage.
(c) If only replacing the bulb on one side, differences in brightness and lighting color between the right and left sides may occur.
(d) Securely install the socket after bulb replacement. The lens may become cloudy or the light assembly may fill with water through gaps around the socket if it is not installed securely.
PRECAUTION FOR AUTOMATIC HIGH BEAM SYSTEM (w/ Toyota Safety Sense)
(a) General Description
The automatic high beam system is a system that helps ensure visibility by automatically turning the high beam headlights on and off. Additionally, due to control limitations of the automatic high beam system, it may be necessary to manually turn the high beam headlights on and off. For safety reasons, make sure to turn the high beam headlights on and off manually according to the driving conditions.
(b) Conditions Unsuitable for Using Automatic High Beam System
Under the following conditions, the automatic high beam system might not detect other vehicles or lights correctly, or the high beam headlights might cause glare or flash pedestrians or the occupants of other vehicles. Manual operation should be considered.
Factor | Condition |
Weather/Climate | When driving in bad weather (rain, snow, fog, sandstorms, etc.). |
Front windshield | Refer to Front Camera System.
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Forward recognition camera | Refer to Front Camera System.
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Nearby vehicles or lights | -
When lights similar to headlights or taillights are in the vicinity of the vehicle.
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When a nearby vehicle has no lights or its lights are off.
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When a vehicle in front has misaligned lights, or its lights are changing color.
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When a vehicle in front has extremely dirty headlights or taillights.
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Road conditions | -
When driving in areas where the conditions often change between bright and dark.
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When driving on hilly roads.
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When driving on winding roads or around sharp curves.
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When driving on bumpy roads (cobblestone paving, gravel roads, rough unpaved roads, etc.).
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When highly reflective objects are in front of the vehicle (mirrors, road signs, etc.).
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Own vehicle | -
When the headlights are damaged, deformed or dirty.
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When the vehicle posture is abnormal (posture has changed due to the vehicle being fully loaded, a trailer being towed, road conditions, etc.).
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When the vehicle has other malfunctions or has been modified.
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Automatic high beam system | Malfunction: When the automatic high beam indicator light on the combination meter assembly is off and "Headlight System Malfunction Visit Your Dealer" is displayed on the multi-information display. Others: -
When the automatic high beam system does not seem to be turning the high beam headlights on and off properly.
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When the automatic high beam system is frequently turning the high beam headlights on and off.
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When the glare from the high beam headlights would disturb pedestrians or the drivers of other vehicles.
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PARTS LOCATION ILLUSTRATION
*A w/ Toyota Safety Sense - - *1 SIDE TURN SIGNAL LIGHT ASSEMBLY LH *2 SIDE TURN SIGNAL LIGHT ASSEMBLY RH *3 HEADLIGHT ASSEMBLY LH *4 HEADLIGHT ASSEMBLY RH *5 HEADLIGHT LENS SUB-ASSEMBLY LH *6 HEADLIGHT LENS SUB-ASSEMBLY RH *7 HEADLIGHT UNIT ASSEMBLY LH *8 HEADLIGHT UNIT ASSEMBLY RH *9 LIGHT CONTROL LED ECU LH *10 LIGHT CONTROL LED ECU RH *11 HEADLIGHT LEVELING MOTOR LH *12 HEADLIGHT LEVELING MOTOR RH *13 HEADLIGHT HOUSING SUB-ASSEMBLY LH (WIRE HARNESS LH) *14 HEADLIGHT HOUSING SUB-ASSEMBLY RH (WIRE HARNESS RH) *15 FOG LIGHT ASSEMBLY LH *16 FOG LIGHT ASSEMBLY RH *17 FORWARD RECOGNITION CAMERA *18 MILLIMETER WAVE RADAR SENSOR ASSEMBLY *19 ECM *20 POWER STEERING ECU ASSEMBLY *21 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) *22 NO...
Other information:
INSTALLATION PROCEDURE 1. INSTALL AUTOMATIC LIGHT CONTROL SENSOR (a) Engage the claws to install the automatic light control sensor.
2. INSTALL INSTRUMENT MAIN PANEL Click here
3. INSTALL FRONT PILLAR GARNISH LH Click here
4. INSTALL FRONT PILLAR GARNISH RH HINT: Use the same procedure as for the LH side...
DESCRIPTION This circuit detects the ignition switch ON or off condition, and sends it to the main body ECU (multiplex network body ECU). WIRING DIAGRAM
CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure...