LDW/Intelligent Lane Intervention

WARNING: This page is about a different car, the 2019 Nissan Armada and 2018 Nissan Armada. 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.

NOTE: Refer to the operation condition of the LDW/Intelligent Lane Intervention system.

LDW system: System Description .
Intelligent Lane Intervention system: System Description .

Symptom		Possible cause	Inspection item/Reference
Indicator/warning lamps do not illuminate when ignition switch OFF - ON	Lane departure warning lamp (Yellow) does not illuminate.	Combination meter ADAS control unit	Lane departure warning lamp does not turned ON Refer to Description
	Intelligent Lane Intervention ON indicator lamp (Green) does not illuminate.	Combination meter ADAS control unit	Intelligent Lane Intervention ON indicator lamp does not turned ON Refer to Description
	Warning systems ON indicator does not illuminate.	Harness between ADAS control unit and warning systems switch Warning systems switch ADAS control unit	Warning systems ON indicator circuit Refer to Component Function Check
	Lane departure warning lamp (Yellow) and Intelligent Lane Intervention ON indicator lamp (Green) does not illuminate.	Combination meter ADAS control unit	Lane departure warning lamp does not turned ON Refer to Description Intelligent Lane Intervention ON indicator lamp does not turned ON Refer to Description
	All of indicator/warning lamps does not illuminate; Lane departure warning lamp (Yellow) Intelligent Lane Intervention ON indicator lamp (Green) Warning systems ON indicator	Power supply and ground circuit of ADAS control unit ADAS control unit	Power supply and ground circuit of ADAS control unit Refer to Diagnosis Procedure
LDW system is not activated. (Indicator/warning lamps illuminate when ignition switch OFF - ON)	Warning systems ON indicator is not turned ON - OFF when operating warning systems switch	Harness between ADAS control unit and warning systems switch Harness between warning systems switch and ground Warning systems switch ADAS control unit	Warning systems switch circuit Refer to Component Function Check LDW system setting can not be turned ON/OFF on the integral switch Refer to Diagnosis Procedure
	Warning buzzer is not sounding. (Lane departure warning lamp is activated.)	Harness between the IPDM E/R and warning buzzer Harness between ADAS control unit, driver assistance buzzer control module and driver assistance buzzer Driver assistance buzzer Driver assistance buzzer control module ADAS control unit	Driver assistance buzzer circuit Refer to Component Function Check
Intelligent Lane Intervention system is not activated. (LDW system is functioning normally)	Indicator lamp is not turned ON - OFF when operating dynamic driver assistance switch	Dynamic driver assistance switch Combination meter ADAS control unit Display control unit	Dynamic driver assistance switch (ICC steering switch) Refer to Component Inspection Intelligent Lane Intervention system setting can not be turned ON/OFF on the integral switch Refer to Description
	Warning is functioning but yawing is not functioning.	-	Cause of auto-cancel 2 Refer to CONSULT Function (ICC/ADAS) Normal operating condition Refer to Description
Warning functions are not timely (Example) Does not function when driving on lane markers Functions when driving in a lane Functions in a different position from the actual position.		Camera aiming adjustment Lane camera unit ADAS control unit	Camera aiming adjustment Description
Functions when changing the course in direction of the turn signal		Turn indicator signal (CAN) BCM ADAS control unit	System operates even when using turn signal Refer to Description