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Home >> Infiniti >> 2017 >> QX50 RWD >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Interior Lighting System >> Symptom Diagnosis >> Interior Lighting System Symptoms >> Symptom Table

Symptom Table

CAUTION:

Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected.

Symptom Possible cause Inspection item
All the following lamps do not turn ON.
  • Map lamp
  • Personal lamp
  • Foot lamp
  • Luggage room lamp
  • Step lamp
  • Vanity mirror lamp
  • Harness between BCM and each interior room lamp
  • BCM
Interior room lamp power supply circuit
Refer to DESCRIPTION .
  • Interior room lamp does not turn ON even though the door is open.

    (It turns ON when turning the interior room lamp ON.)

  • Interior room lamp does not turn OFF even though the door is closed.
  • Harness between BCM and each door switch
  • Harness between BCM and each interior room lamp
  • BCM
Door switch circuit
Refer to DESCRIPTION .
Interior room lamp control circuit
Refer to DESCRIPTION .
  • Puddle lamp does not turn ON even though the door is open.
  • Puddle lamp does not turn OFF even though the door is closed.
  • Harness between BCM and each door switch
  • Harness between BCM and puddle lamp
  • BCM
Door switch circuit
Refer to DESCRIPTION .
Puddle lamp circuit
Refer to DESCRIPTION .
Interior room lamp timer does not activate.
(It turns ON/ OFF when the door opens/closes.)
- Check the interior room lamp setting.
Refer to CONSULT FUNCTION (BCM - INT LAMP) .
Step lamps (driver side and passenger side) do not turn ON.
(The map lamp and the personal lamp turn ON.)
  • Harness between BCM and each step lamp
  • BCM
Step lamp circuit
Refer to DESCRIPTION .
Step lamps (driver side and passenger side) do not turn OFF.
(The map lamp and the personal lamp turn OFF.)
Push-button ignition switch illumination does not illuminate.
  • Harness between BCM and push-button ignition switch
  • BCM
Push-button ignition switch illumination circuit
Refer to DESCRIPTION .
Interior room lamp battery saver does not activate. - Check the interior room lamp battery saver setting.
Refer to CONSULT FUNCTION (BCM - BATTERY SAVER) .