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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 599 (LIGHTING SYSTEM - DIAGNOSIS)
2004 Toyota Matrix XR, FWD, Standard
Section 599 (Lighting System - Diagnosis)
2004 Toyota Matrix XR, FWD, StandardSECTION Section 599 (Lighting System - Diagnosis)
WARNING: This page is about a different car, the 2002 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
- Precaution
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Pre-Check
- Diagnostic Trouble Code Chart
- Location
- Terminals Of Ecu
- Problem Symptoms Table
- DTC B1244: Light Sensor Circuit Malfunction
- DTC B1268: Back-Up Communication Bus Malfunction
- DTC B2402: Transistor Relay Overload Malfunction & DTC B2403: Transistor Relay Overhead Malfunction
- Combination Switch Power Source Circuit
- Light Control Switch Circuit
- Headlight Circuit
- Headlight Relay Circuit
- Front Fog Light Circuit
- Clearance Light Circuit
- Turn Signal Light Circuit
- Headlight Beam Level Control Ecu Communication Circuit
- Hazard Switch Circuit
- Stop Light Switch Circuit
- Stop Light Circuit
- Taillight Circuit
- High Mounted Stop Light Circuit
- Back-Up Light Circuit
- Licence Plate Light Circuit
- Luggage Compartment Door Courtesy Switch Circuit
- Luggage Room Light Circuit
- Door Courtesy Light And Courtesy Switch Circuit
- Front Side Marker Light Circuit
- Rear Side Marker Light Circuit
- Headlight Beam Level Control Actuator Circuit
- Height Control Sensor Circuit
- Headlight Beam Level Control Ecu Power Source Circuit
- Buckle Illumination Circuit
- Illumination Circuit
- Interior Light Circuit
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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.