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 MANUALSMITSUBISHI2012LANCER RALLIARTREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTHEADLIGHTSHEADLIGHT SYSTEM - LANCER
2012 Mitsubishi Lancer Ralliart
Headlight System - Lancer
2012 Mitsubishi Lancer RalliartSECTION Headlight System - Lancer
- General Information
- Service Specifications
- Special Tools
- Service Precautions - Discharge Headlight
- Diagnosis
- Standard Flow Of Diagnostic Troubleshooting
- Diagnostic Function
- Diagnostic Trouble Code Chart
- Diagnostic Trouble Code Procedures
- Trouble Symptom Chart
- Symptom Procedures
- Inspection Procedure 1: None Of Headlights (Low-Beam) Illuminates
- Inspection Procedure 2: None Of Headlights (High-Beam) Illuminates
- Inspection Procedure 3: The Headlights Illuminate At Low-Beam (High-Beam Does Not Illuminate) Regardless Of The Lighting Switch Positions
- Inspection Procedure 4: Headlights Do Not Illuminate When The Passing Switch Is Operated
- Inspection Procedure 5: One Of The Headlight(s) Does Not Illuminate
- Inspection Procedure 6: High-Beam Indicator Light Does Not Illuminate Normally
- Inspection Procedure 7: The Headlight Automatic Shutdown Function Does Not Work Normally
- Inspection Procedure 8: Daytime Running Light Function Does Not Work Normally - Halogen Type Headlight
- Inspection Procedure 8: Daytime Running Light Function Does Not Work Normally - Discharge Type Headlight
- Inspection Procedure 9: One Of The Position Light, The Taillight, The Rear Side Marker Lights Or The License Plate Light Does Not Illuminate
- Inspection Procedure 10: The Auto Light Function Does Not Work Normally
- Inspection Procedure 11: None Of Turn-Signal Lights Illuminates
- Inspection Procedure 12: The Comfort Flashing Function Does Not Work Normally
- Inspection Procedure 13: The Turn-Signal Indicator Lights Do Not Illuminate
- Inspection Procedure 14: The Welcome Light Function Does Not Work Normally
- Inspection Procedure 15: The Coming Home Light Function Does Not Work Normally
- Data List Reference Table
- On-Vehicle Service
- Headlight Leveling Switch Removal And Installation
- Inspection
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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.