Nissan Sentra B18 (2020-2025) Service Manual / Driver Controls / Interior Lighting System :: Symptom Diagnosis. Interior Lighting System Symptoms. Symptom Table

Nissan Sentra B18 (2020-2025) Service Manual: Interior Lighting System :: Symptom Diagnosis. Interior Lighting System Symptoms. Symptom Table

Interior Lighting System Symptoms. Symptom Table. Symptom Table

Symptom Table

Note:

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: Front room/map lamp assembly Rear personal lamp Trunk room lamp Vanity mirror lamp LH Vanity mirror lamp RH	Fuse Room lamp relay power supply circuit Harness between BCM and room lamp relay Room lamp relay BCM	Interior room lamp battery saver output circuit Refer to Diagnosis Procedure.
Any of the following lamp does not turn ON: Front room/map lamp assembly Rear personal lamp Trunk room lamp Vanity mirror lamp LH Vanity mirror lamp RH	Harness between room lamp relay and each interior room lamp Harness between each interior room lamp and ground Each interior room lamp bulb	Interior room lamp power supply circuit Refer to Component Function Check.
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 Door switch BCM	Door switch Refer to Diagnosis Procedure.
	Harness between BCM and each interior room lamp Front room/map lamp assembly Rear personal lamp BCM	Interior room lamp control circuit Refer to Component Function Check.
Trunk room lamp does not turn ON even though the trunk lid is open. Trunk room lamp does not turn OFF even though the trunk lid is closed.	Harness between BCM and trunk lamp switch Trunk lid opener assembly (ajar switch) BCM	Ajar switch circuit Refer to Component Function Check.
	Harness between BCM and trunk room lamp Trunk room lamp bulb BCM	Trunk room lamp circuit Refer to Component Function Check.
Interior room lamp battery saver does not activate.	Harness between BCM and room lamp relay Room lamp relay BCM	Interior room lamp battery saver output circuit Refer to Diagnosis Procedure.
Push-button ignition switch illumination does not illuminate.	Harness between Intelligent Key unit and push-button ignition switch Harness between push-button ignition switch and ground Push-button ignition switch Intelligent Key unit	Push-button ignition switch illumination circuit Refer to Component Function Check.

 Interior Lighting System. Dtc/circuit Diagnosis

Interior Room Lamp Battery Saver Output Circuit Diagnosis Procedure Diagnosis Procedure CHECK SYMPTOM Check symptom (A or B). A All the following lamps do not turn ON: Front roo...

 Interior Lighting System. Removal and Installation

Front Room/map Lamp Assembly Exploded View Exploded View 1. Front room/map lamp assembly bracket 2. Front room/map lamp assembly 3. Switch finisher A. Clip Pawl Metal clip Remov...

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