Headlamps Do Not Turn OFF

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK COMBINATION SWITCH INPUT SIGNAL
Select "BCM" on CONSULT-II. With "HEAD LAMP" data monitor, make sure "HEAD LAMP SW 1" and "HEAD LAMP SW 2" turns ON-OFF linked with operation of lighting switch.
- When lighting switch is in: HEAD LAMP SW 1 OFF
- OFF position: HEAD LAMP SW 2 OFF
OK or NG
- OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".
- NG: GO TO 2.
Fig 1: Identifying "HEAD LAMP SW 1" And "HEAD LAMP SW 2"
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK LIGHTING SWITCH
Check lighting switch. Refer to "COMBINATION SWITCH INSPECTION ".

OK or NG
- OK: GO TO 3.
- NG: Replace switch. Refer to "REMOVAL AND INSTALLATION ".
CHECKING CAN COMMUNICATIONS BETWEEN BCM AND IPDM E/R
Select "BCM" on CONSULT-II and perform self-diagnosis for BCM. Display of self-diagnosis results

NO DTC: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".

CAN COMM CIRCUIT: Refer to "CAN COMMUNICATION INSPECTION USING CONSULT-II (SELF-DIAGNOSIS) ".

Fig 2: Identifying Self-Diagnosis Results Display
Courtesy of NISSAN MOTOR CO., U.S.A.