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

Key Switch

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

Check continuity between terminals of the key switch and key lock solenoid.

Fig 1: Checking Continuity Between Terminals Of Key Switch And Key Lock Solenoid

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

CONDITION CONTINUITY

Condition	Terminal No.	Continuity
Key inserted	3 - 4	Yes
Key withdrawn	3 - 4	No

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.