Nissan Maxima Service and Repair Manual: Interior room lamp control system

System Diagram

Nissan Maxima. System Diagram

System Description

OUTLINE

  • Interior room lamps* are controlled by interior room lamp timer control function of BCM.

    *:Front room/map lamp assembly, foot lamps and rear personal lamps (when front room/map lamp assembly switch is in DOOR position).

  • Trunk room lamp is controlled by trunk room lamp control function of BCM.
  • Step lamps are controlled by step lamp control function of BCM.

Component Parts Location

Nissan Maxima. Component Parts Location

  1. BCM M16, M17, M18, M19, M20, M21 (view with combination meter removed)
  2. Rear door switch LH B18, RH B116
  3. Front door switch LH B8, RH B108
  4. Trunk lamp switch and trunk release solenoid T7
  5. Main power window and door lock/unlock switch D7, D8
  6. Power window and door lock/unlock switch RH D105
  7. Key slot M40

Component Description

SWITCH OPERATION

When a door is opened, the door switch closes to send a ground signal to the BCM. When the trunk is opened, the trunk lamp switch and trunk release solenoid closes sending a ground signal to the BCM.

ROOM LAMP TIMER OPERATION

When the front room/map lamp assembly switch is in DOOR position and when all conditions below are met, BCM begins timer control (maximum 30 seconds) for interior room lamp ON/OFF.

  • When the front door LH is unlocked [with Intelligent Key, main power window and door lock/unlock switch, power window and door lock/unlock switch RH, or front door lock assembly (key cylinder switch)].
  • When a door opens → closes and the Intelligent Key is not inserted in the key slot.

    Timer control is cancelled under the following conditions.

  • When the front door LH is locked [with Intelligent Key, main power window and door lock/unlock switch, power window and door lock/unlock switch RH, or front door lock assembly (key cylinder switch)].
  • A door is opened (door switch turns ON).
  • Intelligent Key is inserted into the key slot.

    Interior lamp operational settings can be changed with the function setting of CONSULT.

INTERIOR LAMP BATTERY SAVER CONTROL

If an interior lamp is left ON and does not turn OFF even when the doors are closed, the BCM turns off power to the interior lamps automatically to save the battery 15 minutes after the ignition switch is turned OFF.

The BCM controls the interior lamps listed below

  • Front step lamp LH and RH
  • Rear step lamp LH and RH
  • Front room/map lamp assembly
  • Foot lamp LH and RH
  • Personal lamp rear LH and RH
  • Vanity mirror lamp LH and RH
  • Trunk room lamp

After the battery saver system turns the lamps OFF, the lamps will illuminate again when

  • a signal is received from an Intelligent Key, main power window and door lock/unlock switch or power window and door lock/unlock switch RH, or when the front door LH lock assembly (key cylinder switch) is locked or unlocked
  • a door is opened or closed
  • the Intelligent Key is removed from or inserted into the key slot.

The interior lamp battery saver control time period can be changed with the function setting of CONSULT.

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