Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HEADLAMP (HI) FUSES

Turn the ignition switch OFF.
Check that the following fuses are not open.

Unit	Location	Fuse No.	Capacity
Headlamp HI (LH)	IPDM E/R	35	10A
Headlamp HI (RH)	IPDM E/R	34	10A

Is the fuse open?

YES

Replace the fuse after repairing the affected circuit.

GO TO 2.

CHECK HEADLAMP (HI) OUTPUT VOLTAGE

CONSULT ACTIVE TEST

Turn the ignition switch OFF.
Disconnect the front combination lamp harness connector E239 or E234.
Turn the ignition switch ON.
Select EXTERNAL LAMP of IPDM E/R active test item.
With EXTERNAL LAMP ON, check the voltage between the combination lamp harness connector and ground.

(+)			(-)	Voltage
Connector		Terminal
RH	E239	2	Ground	Battery voltage
LH	E234

Is battery voltage present?

YES

GO TO 4.

GO TO 3.

CHECK HEADLAMP (HI) CIRCUIT FOR OPEN

Turn the ignition switch OFF.
Disconnect IPDM E/R harness connector E217.
Check continuity between the IPDM E/R harness connector E217 and the front combination lamp harness connector.

IPDM E/R			Front combination lamp		Continuity
Connector		Terminal	Connector	Terminal
RH	E217	80	E239	2	Yes
LH		81	E234

Does continuity exist?

YES

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

Repair the harnesses or connectors.

CHECK FRONT COMBINATION LAMP (HI) GROUND CIRCUIT

Check continuity between the front combination lamp harness connector terminal 1 and ground.

Connector		Terminal	--	Continuity
RH	E239	1	Ground	Yes
LH	E234

Does continuity exist?

YES

Replace the headlamp bulb.

Repair or replace the harness or connector.