Infiniti Q45. Manual - part 687

 

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Infiniti Q45. Manual - part 687

 

 

FRONT FOG LAMP

LT-85

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Front Fog Lamps Do Not Illuminate (Both Sides)

NKS0018V

1. 

CHECK FRONT FOG LAMP RELAY POWER SUPPLY CIRCUIT (1)

1.

Turn ignition switch OFF.

2.

Remove front fog lamp relay.

3.

Check voltage between front fog lamp relay harness connector
E108 terminal 5 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Check the following.

15A fuse [No. 78, located in fuse, fusible link and
relay box] 

Harness for open or short between front fog lamp relay and fuse

2. 

CHECK FRONT FOG LAMP RELAY POWER SUPPLY CIRCUIT (2)

1.

Turn ignition switch ON.

2.

Lighting switch is turned 2ND position and LOW position.

3.

Check voltage between front fog lamp relay harness connector
E108 terminal 2 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 7. 

3. 

CHECK FRONT FOG LAMP RELAY

Apply 12V between front fog lamp relay terminals 1 and 2, and check
continuity between terminals 3 and 5.

OK or NG

OK

>> GO TO 4.

NG

>> Replace front fog lamp relay.

5 - Ground

: Battery voltage

PKIA9782E

2 - Ground

: Battery voltage

PKIA9783E

3 - 5

: Continuity should exist.

PKIA5915E

LT-86

FRONT FOG LAMP

4. 

CHECK FRONT FOG LAMP SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Lighting switch is turned 2ND position and LOW position.

3.

Check continuity between front fog lamp relay harness connec-
tor E108 terminal 1 and ground.

OK or NG

OK

>> Check the following.

Harness for open or short between front fog lamp relay and front fog lamps.

Harness continuity between front fog lamp LH and RH harness connector E71 and E51 termi-
nal 2 and ground.

NG

>> GO TO 5.

5. 

CHECK FRONT FOG LAMP SWITCH

1.

Disconnect combination switch (front fog lamp switch) connec-
tor.

2.

Check continuity between combination switch terminals 31 and
32 while operating front fog lamp switch.

OK or NG

OK

>> GO TO 6.

NG

>> Replace combination switch (front fog lamp switch).

6. 

CHECK LIGHTING SWITCH CIRCUIT

1.

Disconnect combination switch (lighting switch).

2.

Check continuity between combination switch harness connec-
tor M62 terminal 32 and combination harness connector M55
terminal 10.

3.

Check continuity between combination switch harness connec-
tor M62 terminal 32 and ground.

OK or NG

OK

>> Check combination switch (lighting switch and front fog lamp switch). Refer to 

LT-100, "Switch Cir-

cuit Inspection"

 .

NG

>> Replace harness or connector.

Terminal

Front fog lamp 

switch condition

Continuity

Connector

Terminal 

Ground

E108

1

ON

Yes

OFF

No

PKIA9784E

Terminal

Front fog lamp switch condition

Continuity

31

32

ON

Yes

OFF

No

PKIB0992E

32 - 10

: Continuity should exist.

32 - Ground

: Continuity should not exist.

PKIB0993E

FRONT FOG LAMP

LT-87

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7. 

CHECK HEADLAMP RELAY-1

1.

Remove headlamp relay-1.

2.

Apply 12V between headlamp relay-1 terminals 2 and 1, and
check continuity between terminals 3 and 5.

OK or NG

OK

>> Check harness for open or short between front fog lamp

relay and headlamp relay-1.

NG

>> Replace headlamp relay-1.

Front Fog Lamp Does Not Illuminate (One Side)

NKS0018W

1. 

BULB INSPECTION

1.

Replace bulb with other side bulb or new one.

2.

Check if front fog lamp illuminates correctly.

OK or NG

OK

>> Replace front fog lamp bulb.

NG

>> GO TO 2.

2. 

CHECK FRONT FOG LAMP POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front fog lamp connector.

3.

Turn ignition switch ON.

4.

Lighting switch is turned 2ND position and LOW position. Also
turn front fog lamp switch ON position.

5.

Check voltage between front fog lamp LH and RH harness con-
nector E71 and E51 terminal 1 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check harness for open or short between front fog lamp relay and front fog lamp.

3. 

CHECK FRONT FOG LAMP GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between front fog lamp LH and RH harness
connector E71 and E51 terminal 2 and ground.

OK or NG

OK

>> Check connecting condition front fog lamp harness con-

nector.

NG

>> Repair harness and connector.

Aiming Adjustment

NKS0018X

The fog lamp is a semi-sealed beam type which uses a replaceable halogen bulb. Before performing aiming
adjustment, make sure of the following.

Keep all tires inflated to correct pressure.

Place vehicle on level ground.

3 - 5

: Continuity should exist.

SEC202B

1 - Ground

: Battery voltage

PKIB0990E

2 - Ground

: Continuity should exist.

PKIB0991E

LT-88

FRONT FOG LAMP

See that vehicle is unloaded (except for full levels of coolant,
engine oil and fuel, and spare tire, jack, and tools). Have the
driver or equivalent weight placed in driver seat.

Adjust aiming in the vertical direction by turning the adjusting screw.

1.

Set the distance between the screen and the center of front fog
lamp lens as shown.

2.

Turn front fog lamps ON.

3.

Adjust front fog lamps using adjusting screw so that the top edge
of the high intensity zone is 100 mm (3.94 in) below the height of
the fog lamp centers as shown.

When performing adjustment, if necessary, cover headlamps
and opposite fog lamp.

PKIA9785E

PKIB1672E

PKIB1673E

 

 

 

 

 

 

 

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