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 MANUALSNISSAN-DATSUN2004ALTIMA S, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTHEADLIGHTSAUTOLIGHT SYSTEM
2004 Nissan-Datsun Altima S, Automatic
AUTOLIGHT System
2004 Nissan-Datsun Altima S, AutomaticSECTION AUTOLIGHT System
- Auto Light System
- Component Parts and Harness Connector Location
- System Description
- CAN Communication System Description
- Major Components and Functions
- Schematic
- Wiring Diagram - Auto/L -
- Terminals and Reference Value for BCM
- Terminals and Reference Values for IPDM E/R
- How to Proceed With Trouble Diagnosis
- Preliminary Check
- CONSULT-II Function (BCM)
- CONSULT-II Function (IPDM E/R)
- Trouble Diagnosis Chart by Symptom
- Lighting Switch Inspection
- Auto Light Sensor System 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.