Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2009YARIS S, 4D HATCHBACKREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTEXTERIOR LIGHTSLIGHTING SYSTEM
2009 Toyota Yaris S, 4D Hatchback
Lighting System
2009 Toyota Yaris S, 4D HatchbackSECTION Lighting System
- Lighting System
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Data List / Active Test
- Stop Light Switch Circuit
- Headlight Relay Circuit
- DRL Relay Circuit
- Front Fog Light Circuit
- Turn Signal Light Circuit
- Hazard Warning Switch Circuit
- Taillight Circuit
- Back-up Light Circuit
- Light Control Switch Circuit
- Headlight Signal Circuit
- Illumination Circuit
- HEADLIGHT ASSEMBLY (for Sedan)
- HEADLIGHT ASSEMBLY (for Hatchback)
- SIDE TURN SIGNAL LIGHT ASSEMBLY (for Hatchback)
- FOG LIGHT ASSEMBLY (for Sedan)
- FOG LIGHT ASSEMBLY (for Hatchback)
- REAR COMBINATION LIGHT ASSEMBLY (for Sedan)
- REAR COMBINATION LIGHT ASSEMBLY (for Hatchback)
- LICENSE PLATE LIGHT ASSEMBLY (for Sedan)
- LICENSE PLATE LIGHT ASSEMBLY (for Hatchback)
- HIGH MOUNTED STOP LIGHT ASSEMBLY (for Sedan with Rear Spoiler)
- HIGH MOUNTED STOP LIGHT ASSEMBLY (for Sedan without Rear Spoiler)
- HIGH MOUNTED STOP LIGHT ASSEMBLY (for Hatchback)
- Map Light Assembly
- Room Light Assembly
- LUGGAGE COMPARTMENT ROOM LIGHT (for Sedan)
- LUGGAGE COMPARTMENT ROOM LIGHT (for Hatchback)
- Headlight Dimmer Switch
- HAZARD WARNING SWITCH (for Sedan)
- HAZARD WARNING SWITCH (for Hatchback)
- STOP LIGHT SWITCH (for Sedan)
- STOP LIGHT SWITCH (for Hatchback)
- FRONT DOOR COURTESY SWITCH (for Sedan)
- FRONT DOOR COURTESY SWITCH (for Hatchback)
- Rear Door Courtesy Switch
- BACK DOOR COURTESY SWITCH (for Sedan)
- BACK DOOR COURTESY SWITCH (for Hatchback)
- Turn Signal Flasher Assembly
- Headlight Relay
- FOG LIGHT RELAY (for Sedan)
- FOG LIGHT RELAY (for Hatchback)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.