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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 135 (Interior Lighting System) >> DTC/Circuit Diagnosis >> Step Lamp Circuit >> Component Function Check
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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.
NOTE: Before performing the diagnosis, check that the following is normal.
  • Interior room lamp power supply
  • Step lamp bulb
  1. CHECK STEP LAMP OPERATION 

    CONSULT ACTIVE TEST

    1. Turn 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 ".