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Home >> Toyota >> 2003 >> Highlander Base, 2.4 D, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 892 (Interior Lighting System) >> DTC/Circuit Diagnosis >> Interior Room Lamp Control Circuit >> Component Function Check

Component Function Check

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Before performing the diagnosis, check that the following is normal.
  • Battery saver output/power supply
  • Front room/map lamp bulbs
  • Personal lamp bulbs
  • Puddle lamp bulbs (if equipped)
  1. CHECK INTERIOR ROOM LAMP CONTROL FUNCTION 

    WITH CONSULT

    1. Place the front room/map lamp assembly switch in the DOOR position.
    2. Turn ignition switch ON.
    3. Select "INT LAMP" of BCM (INT LAMP) active test item.
    4. While operating the test item, check that each interior room lamp turns ON/OFF (gradual brightening/dimming).

      ON: Interior room lamp gradual brightening 

      OFF: Interior room lamp gradual dimming 

      Is the inspection result normal? 

      YES: Interior room lamp control circuit is normal.

      NO: Refer to "DIAGNOSIS PROCEDURE ".