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

Switch Monitor

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.

How to Perform Switch Monitor

Fig 1: How to Perform Switch Monitor

Courtesy of NISSAN MOTOR CO., U.S.A.

Description

In this mode, when BCM detects the input signal from a switch in IVMS as shown below, the detection is indicated by the map lamp and step lamps with buzzer.

Fig 2: Example Of Input Signal

Courtesy of NISSAN MOTOR CO., U.S.A.

Switch Monitor Item

The status of the switch (expect the ignition switch, interior ill lamp switch, and map lamp switch) as input to each control unit can be monitored.

Fig 3: Switch Monitor Item (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.