Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

Both side headlamps (HI) are not turned ON when setting to the lighting switch HI or PASS.

COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION
Check combination switch (lighting and turn signal switch). Refer to Symptom Table .

Is the inspection result normal?

YES

GO TO 2 .

NO

Repair or replace the malfunctioning part.

CHECK HEADLAMP (HI) REQUEST SIGNAL INPUT

With CONSULT

Select "HL HI REQ" in "Data Monitor" mode of "IPDM E/R".

While operating the combination switch (lighting and turn signal switch), check the monitor status.

Monitor item	Condition		Monitor status
HL HI REQ	Combination switch (lighting and turn signal switch)	HI or PASS	On
		LO	Off

Is the inspection result normal?

YES

Replace IPDM E/R. Refer to Removal and Installation of IPDM E/R .

Replace BCM. Refer to Removal and Installation .