1999 Infiniti Q45 BaseFACTORY OEM SERVICE PROCEDURE

Multi-Remote Control Systems: Description

The multi-remote control system controls operation of power door locks, trunk lid release, panic alarm and hazard warning lights. The multi-remote control system is inactive if key is in the ignition switch. System can receive signals from the remote controller only when ignition switch is in the OFF position (key removed). Signal received from remote controller is sent via data lines A-1 and A-2 from Body Control Module (BCM) to Local Control Units (LCUs) to activate the requested action.

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.

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