April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Function Check

CAUTION: Before performing the diagnosis, check that the following is normal.

Interior room lamp power supply
Step lamp bulb

CHECK STEP LAMP OPERATION
CONSULT ACTIVE TEST
1. Turn the ignition switch ON.
2. Select "STEP LAMP TEST" of BCM (INT LAMP) active test item.
3. With operating the test items, check that step lamp turns ON/OFF.
  On: Step lamp ON
  
  Off: Step lamp OFF
  
  Does the step lamp turn ON/OFF?
  
  YES: Step lamp circuit is normal.
  
  NO: Refer to "DIAGNOSIS PROCEDURE ".