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 (LO) FUSES

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

Unit	Location	Fuse No.	Capacity
Headlamp LO (LH)	IPDM E/R	37	15A
Headlamp LO (RH)	IPDM E/R	36	15A

Is the fuse open?

YES

Replace the fuse after repairing the affected circuit.

GO TO 2.

CHECK HEADLAMP (LO) OUTPUT VOLTAGE

CONSULT

Turn the ignition switch OFF.
Disconnect the front combination lamp harness connector E240 or E243.
Turn the ignition switch ON.
Select EXTERNAL LAMP of IPDM E/R active test item.
With EXTERNAL LAMP ON, check the voltage between the front combination lamp harness connector E240 or E243 terminal 9 and ground.

(+)			(-)	Voltage
Connector		Terminal
RH	E240	9	Ground	Battery voltage
LH	E243

Is battery voltage present?

YES

GO TO 4.

GO TO 3.

CHECK HEADLAMP (LO) CIRCUIT FOR OPEN

Turn the ignition switch OFF.
Disconnect IPDM E/R connector E217.
Check continuity between the IPDM E/R harness connector and the front combination lamp harness connector E240 or E243.

IPDM E/R			Front combination lamp		Continuity
Connector		Terminal	Connector	Terminal
RH	E217	75	E240	9	Yes
LH		76	E243

Does continuity exist?

YES

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

Repair the harness or connector.

CHECK FRONT COMBINATION LAMP (LO) GROUND CIRCUIT

Check continuity between the front combination lamp harness connector E240 or E243 terminal 10 and ground.

Connector		Terminal	--	Continuity
RH	E240	10	Ground	Yes
LH	E243

Does continuity exist?

YES

Perform xenon headlamp diagnosis. Refer to Diagnosis Procedure .

Repair the harness or connector.