Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Nissan Sentra B18 (2020-2025) Service Manual: Component Parts. Interior Lighting System

Interior Lighting System

Component Parts Location

Component Parts Location

A.

View of instrument panel

B.

Fuse block (J/B) [view of fuse block (J/B) removed]

C.

Underneath sun visor LH (RH similar)

D.

Parcel shelf LH (view from luggage compartment)

       

No.

Component

Function

1.

Rear personal lamp

Refer to Bulb Specifications.

2.

Rear door switch RH

Transmits the rear door switch RH signal to the BCM.

Refer to Rear Door Switch for detailed component location.

3.

Front door switch RH

Transmits the front door switch RH signal to the BCM.

Refer to Front Door Switch for detailed component location.

4.

Power window and door lock/unlock switch RH

Transmits the door lock/unlock switch RH signal to the BCM.

Refer to Door Lock and Unlock Switch RH for detailed component location.

5.

Intelligent Key unit

  • Transmits the push-button ignition switch status to the BCM via CAN communication.

  • Transmits the door lock/unlock request to the BCM via CAN communication.

Refer to Intelligent Key Unit for detailed component location.

6.

IPDM E/R (Intelligent Power Distribution Module Engine Room)

Refer to System Description.

7.

BCM (Body Control Module)

  • Controls the room lamp relay using the interior room lamp timer depending on Nissan Sentra vehicle conditions.

  • Operates the room lamp battery saver feature depending on vehicle conditions to turn interior lamps ON or OFF.

  • Operates the interior room lamps by controlling the room lamp relay combined with controlling lamp grounds depending on input conditions.

Refer to System Description.

8.

Main power window and door lock/unlock switch

Transmits the door lock/unlock switch LH signal to the BCM.

Refer to Door Lock and Unlock Switch LH for detailed component location.

9.

Front room/map lamp assembly

Refer to Bulb Specifications.

10.

Front door lock assembly LH (door unlock sensor)

Transmits the door unlock sensor signal to the BCM.

Refer to Front Door Lock Assembly (LH) for detailed component location.

11.

Front door switch LH

Transmits the front door switch LH signal to the BCM.

Refer to Front Door Switch for detailed component location.

12.

Rear door switch LH

Transmits the rear door switch LH signal to the BCM.

Refer to Rear Door Switch for detailed component location.

13.

Trunk lid opener assembly (ajar switch)

Transmits the ajar switch signal to the BCM

Refer to Trunk Lid Lock Assembly for detailed component location.

14.

Combination meter

Controls illumination depending on Nissan Sentra vehicle conditions.

Refer to Combination Meter (type A) or Combination Meter (type B) for detailed component location.

15.

Optical sensor

Transmits the optical sensor signal to the BCM.

Refer to Optical Sensor (halogen headlamp) or Optical Sensor (LED headlamp) for detailed component location.

16.

Combination switch

Transmits the combination switch signal to the BCM.

Refer to System Description.

17.

Illumination control switch

Transmits the illumination control switch signal to the combination meter.

Refer to Illumination Control Switch (type A) or Illumination Control Switch (type B) for detailed component location.

18.

Push-button ignition switch

Transmits the push-button ignition switch signal to the Intelligent Key unit.

Refer to Push-Button Ignition Switch for detailed component location.

19.

Room lamp relay

Activates the interior room lamps based on the control signal from the BCM and depending on Nissan Sentra vehicle conditions.

20.

Vanity mirror lamp LH [RH similar (if so equipped)]

Refer to Bulb Specifications.

21.

Trunk room lamp

Refer to Bulb Specifications.

    System
    Interior Room Lamp Control System System Description System Description SYSTEM DIAGRAM OUTLINE The following lamps are controlled by the interior room lamp timer control functio...

    Other materials:

    Diagnosis System (bcm)
    Common Item Consult Function (bcm - Common Item) CONSULT Function (BCM - COMMON ITEM) BCM Refer to CONSULT Function (BCM - COMMON ITEM). Intelligent Key Consult Function (bcm - In ...

    Blower Motor
    Diagnosis Procedure Diagnosis Procedure CHECK FUSE Ignition switch OFF. Check 30A fuse [No. 55, located in fuse block (J/B)]. ...

    Rear Seat
    Exploded View Exploded View 60:40 SPLIT SEATBACK 1. Seatback striker 2. Rear seatback insulator (RH) ...