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.
2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Section 743 (Step Lamp)
WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
- Step Lamp
- Component Parts and Harness Connector Location
- System Description
- Schematic
- Wiring Diagram - STEP/L -
- Terminals and Reference Value for Driver Door Control Unit (LCU 01)
- Terminals and Reference Value for Passenger and Rear LH, RH Door Control Unit
- Terminals and Reference Value for BCM
- Work Flow
- Preliminary Check
- CONSULT-II Function
- On Board Diagnosis
- Step Lamp Does Not Illuminate/Does Not Go Off When Door Is Opened/Closed
- Bulb Replacement
- Removal and Installation
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
