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 MANUALSLEXUS2012IS 250C V6-2.5L (4GR-FSE)REPAIR AND DIAGNOSISLIGHTING AND HORNSRELAYS AND MODULES - LIGHTING AND HORNSHEADLAMP ALIGNMENT CONTROL MODULESERVICE AND REPAIRINSTALLATION
2012 Lexus IS 250C V6-2.5L (4GR-FSE)
Installation
2012 Lexus IS 250C V6-2.5L (4GR-FSE)SECTION Installation
LIGHTING (EXT): HEADLIGHT LEVELING ECU: INSTALLATION
1. INSTALL HEADLIGHT LEVELING ECU ASSEMBLY
(a) Connect the connector.
(b) Install the headlight leveling ECU assembly with the bolt and nut.
2. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Installation
3. INSTALL FRONT FLOOR FOOTREST LH Installation
4. INSTALL FRONT DOOR OPENING TRIM COVER LH Installation
5. INSTALL DOOR SCUFF PLATE ASSEMBLY LH Installation
6. VEHICLE PREPARATION FOR HEADLIGHT AIMING ADJUSTMENT Adjustments
7. PREPARATION FOR HEADLIGHT AIMING (Using a headlight aim test machine) Adjustments
8. PREPARATION FOR HEADLIGHT AIMING (Using a screen) Adjustments
9. INSPECT HEADLIGHT AIMING Adjustments
10. ADJUST HEADLIGHT AIMING Adjustments
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.