2009 Infiniti M45 BaseFACTORY OEM SERVICE PROCEDURE

Major Components And Control System

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
SYSTEM INPUT AND OUTPUT DESCRIPTION

System Input Output
Intelligent Key system Intelligent Key unit
  • All door locking actuator
  • Trunk lid opener actuator
  • Turn signal lamp (LH, RH)
  • Combination meter
Power door lock system
  • Power window main switch (door lock and unlock switch)
  • Power window sub switch (passenger side) (door lock and unlock switch)
 All-door locking actuator
Power supply (IGN) to power window, sunroof Ignition power supply Power window and sunroof system
Power supply (BAT) to power window, sunroof and power seat Battery power supply Power window, sunroof system and power seat
Panic alarm
  • Key slot
  • Intelligent Key
 IPDM E/R
Theft warning system
  • All-door switch
  • Hood switch
  • Intelligent Key
  • Power window main switch (door lock and unlock switch)
  • IPDM E/R
  • Security indicator lamp
Auto light system
  • Optical sensor
  • Combination switch
 IPDM E/R
Exterior lamp battery saver control
  • Ignition switch
  • Combination switch
 IPDM E/R
  • Headlamp
  • Tail lamp
 Combination switch
  • IPDM E/R
  • Combination meter
Front fog lamp Combination switch
  • IPDM E/R
  • Combination meter
Turn signal lamp
  • Ignition switch
  • Combination switch
  • Turn signal lamp
  • Combination meter
Hazard lamp Hazard switch
  • Turn signal lamp
  • Combination meter
Interior room lamp timer
  • Key switch
  • Power window main switch (door lock and unlock switch)
  • Front door switch driver side
  • All-door switch
 Interior room lamp
Key warning chime(1)
  • Key switch
  • Front door switch driver side
 Combination meter (warning buzzer)
Light warning chime
  • Combination switch
  • Front door switch driver side
 Combination meter (warning buzzer)
Tire pressure monitoring system Low tire pressure warning control unit Combination meter (warning buzzer) (warning lamp)
Seat belt warning chime
  • Combination meter [Seat belt buckle (driver side) switch]
  • Ignition switch
 Combination meter (warning buzzer)
Front wiper and washer system
  • Ignition switch
  • Combination switch
  • IPDM E/R
  • Rain sensor
 IPDM E/R
Rear window defogger
  • Ignition switch
  • Multifunction switch
  • AV control unit
 IPDM E/R
(1) Functions only when the Intelligent Key is inserted in key slot.
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.