Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

CHECK FRONT FOG LAMP FUSE

Turn the ignition switch OFF.

Check that the following fuse is not open.

Unit	Location	Fuse No.	Capacity
Front fog lamp	IPDM E/R	56	15A

Is the fuse open?

YES: Repair the harness and replace the fuse.

NO: GO TO 2.

CHECK FRONT FOG LAMP OUTPUT VOLTAGE

Turn the ignition switch OFF.
Disconnect the front fog lamp connector.
Turn the ignition switch ON.
Turn the front fog lamps ON.

Check the voltage between the fog lamp connector and ground.

(+)			(-)	Voltage
Connector		Terminal	(-)	Voltage
LH	E101	1	Ground	Battery voltage
RH	E102	1	Ground	Battery voltage

Are the voltage readings as specified?

YES: GO TO 4.

NO: GO TO 3.

Fig 1: Checking Voltage Between Fog Lamp Connector And Ground

Courtesy of NISSAN NORTH AMERICA, INC.

CHECK FRONT FOG LAMP OPEN CIRCUIT

Turn the ignition switch OFF.
Disconnect IPDM E/R connector E123.

Check continuity between the IPDM E/R harness connector (A) and the front fog lamp harness connector (B).

A			B		Continuity
Connector		Terminal	Connector	Terminal	Continuity
LH	E123	50	E101	1	Yes
RH	E123	51	E102	1	Yes

Does continuity exist?

YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".

NO: Repair the harnesses or connectors.

Fig 2: Checking Continuity Between IPDM E/R Harness Connector And Front Fog Lamp Harness Connector

Courtesy of NISSAN NORTH AMERICA, INC.

CHECK FRONT FOG LAMP GROUND CIRCUIT

Disconnect the front fog lamp connector.

Check continuity between the front fog lamp harness connector and ground.

Connector		Terminal	-	Continuity
LH	E101	2	Ground	Yes
RH	E102	2	Ground	Yes

Does continuity exist?

YES: Inspect the fog lamp bulb.

NO: Repair the harness.

Fig 3: Checking Continuity Between Front Fog Lamp Harness Connector And Ground

Courtesy of NISSAN NORTH AMERICA, INC.