2013 Infiniti G37 BaseFACTORY OEM SERVICE PROCEDURE

Component Description

Component Function
BCM
  • Supplies power supply to power window switches.
  • Controls retained power.
Retractable hard top control unit Refer to "COMPONENT DESCRIPTION ".
Power window main switch
  • Directly controls all power window motor of all doors.
  • Controls anti-pinch operation of power window.
Power window sub-switch
  • Controls anti-pinch operation of power window.
  • Controls power window motor of passenger door.
Driver side power window motor
  • Integrates the ENCODER and WINDOW MOTOR.
  • Start operating with signals from power window main switch.
  • Transmits power window motor rotation as a pulse signal to power window switch.
Passenger side power window motor
  • Integrates the ENCODER and WINDOW MOTOR.
  • Start operating with signals from power window main switch & power window sub-switch.
  • Transmits power window motor rotation as a pulse signal to power window switch.
Rear power window motor (LH & RH) Start operating with signals from power window main switch.
Driver side door lock assembly (key cylinder switch) Transmits operation condition of key cylinder switch to power window main switch.
Door switch Detects door open/close condition and transmits to BCM.
Remote keyless entry receiver Receives lock/unlock signal from the intelligent key transmits to BCM.
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:

  • 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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