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 Infiniti FX45FACTORY OEM SERVICE PROCEDURE

Step Lamp Operation Check

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK STEP LAMP OPERATION
With CONSULT-II
1. Select "ACTIVE TEST" IN "MULTI REMOTE ENT" with CONSULT-II.
2. Select "INT ILLUM" and touch "ON". Step lamp should illuminate.
  Stop lamp should illuminate.
  
  Fig 1: Checking Step Lamp Operation With Consult-II
  Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II

Push unlock button of key fob with all doors closed and driver's door locked, and check voltage between BCM harness connector M20 terminal 33 (R/W) and ground.

Fig 2: Checking Step Lamp Operation Without Consult-II (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

Factory Service Tools

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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.