Symptom Table

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

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: Front room/map lamp Personal lamps 2nd row Foot lamp LH/RH Step lamp LH/RH Cargo lamp Vanity lamp LH/RH Front outside handle assembly LH/RH Automatic back door close switch	Harness between BCM and each interior room lamp BCM	Battery saver output/power supply circuit Refer to Diagnosis Procedure .
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 Component Function Check .
		Interior room lamp control circuit Refer to Component Function Check .
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) .
Front outside handle assembly lamp does not turn ON even though the door is open. Front outside handle assembly lamp does not turn OFF even though the door is closed.	Harness between BCM and each door switch Harness between BCM and Front outside handle assembly lamp. BCM	Door switch circuit Refer to Component Function Check .
		Front outside handle assembly lamp circuit Refer to Diagnosis Procedure .
Step lamps (ALL) do not turn ON. Step lamps (ALL) do not turn OFF.	Harness between BCM and each step lamp BCM	Door switch circuit Refer to Component Function Check .
		Step lamp circuit Refer to Component Function Check .
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 Component Function Check .
Interior room lamp battery saver does not activate.	BCM	Replace BCM. Refer to Removal and Installation .