1997 Infiniti QX4FACTORY OEM SERVICE PROCEDURE

Remote Control Door Lock/Unlock Function Inoperative

Check if door lock/unlock function can be operated using lock/unlock switch or door knob switch. If doors cannot be locked or unlocked using door knob switch or lock/unlock switch, check power door lock system. See DOOR LOCKS - POWER & TRUNK RELEASE SYSTEM article. If doors can be locked or unlocked using door knob switch or lock/unlock switch, perform DIAGNOSTIC PROCEDURE 3. See SYSTEM TESTSΒ  .

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.