LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 135 (Interior Lighting System) >> DTC/Circuit Diagnosis >> Interior Room Lamp Power Supply Circuit >> Component Function Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Function Check

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK INTERIOR ROOM LAMP POWER SUPPLY FUNCTION 

    CONSULT ACTIVE TEST

    1. Turn ignition switch ON.
    2. Turn each interior room lamp ON.
      • Personal lamp
      • Map lamp
      • Foot lamp
      • Trunk room lamp
      • Step lamp
      • Outside handle lamp
      • Vanity mirror lamp
    3. Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.
    4. With operating the test items, check that each interior room lamp turns ON/OFF.

      Off: Interior room lamp OFF 

      On: Interior room lamp ON 

      Does the interior room lamp turn ON/OFF? 

      YES: Interior room lamp power supply circuit is normal.

      NO: Refer to "DIAGNOSIS PROCEDURE ".