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 FX35 AWDFACTORY OEM SERVICE PROCEDURE

1. Check Key Switch Input Signal

With CONSULT-II

Check ignition key switch "KEY ON SW" in "DATA MONITOR" mode with CONSULT-II.

When key is inserted in ignition key cylinder
1. KEY ON SW : ON
When key is removed from ignition key cylinder
1. KEY ON SW : OFF
  
  Fig 1: Check Ignition Key Switch
  Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Check voltage between BCM connector M3 terminal 37 (B/W) and ground.

Fig 2: Voltage Specification Table

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.