bulb INFINITI QX56 2004 Factory Owner's Manual

LT-78
FRONT FOG LAMP
Revision: August 20072004 QX56
Aiming AdjustmentEKS007BF
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.

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 adjustment
screw.
NOTE:
Access adjustment screw from underneath front bumper. Turn screw
clockwise to raise pattern and counterclockwise to lower pattern.
1. Set the distance between the screen and the center of the 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 200 mm (7.9 in) below the height of
the fog lamp centers as shown.

When performing adjustment, if necessary, cover the headlamps
and opposite fog lamp.
SEL350X
MEL327G
MEL328GA

FRONT FOG LAMP
LT-79
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LT
Revision: August 20072004 QX56
Bulb Replacement EKS007BG
1. Remove the front turn/fog lamp assembly. Refer to LT-79, "Removal and Installation" .
2. Turn the bulb cover counterclockwise to remove it.
3. Unlatch retaining spring.
4. Remove bulb and disconnect the connector.
CAUTION:

Do not touch the glass of bulb directly by hand. Keep
grease and other oily substances away from it. Do not
touch bulb by hand while it is lit or right after being
turned off. Burning may result.

Do not leave bulb out of fog lamp reflector for a long time
because dust, moisture smoke, etc. may affect the perfor-
mance of fog lamp. When replacing bulb, be sure to
replace it with new one.
Installation is in the reverse order of removal.
Removal and InstallationEKS007BH
The fog lamp is a semi-sealed beam type which uses a replaceable halogen bulb.
CAUTION:

Do not leave fog lamp assembly without bulb for a long period of time. Dust, moisture, smoke, etc.
entering the fog lamp body may affect the performance. Remove the bulb from the headlamp
assembly just before replacement bulb is installed.

Grasp only the plastic base when handling the bulb. Never touch the glass envelope. Touching the
glass could significantly affect the bulb life and/or fog lamp performance.
1. Remove the front turn/fog lamp finisher.
2. Remove bolt and pull fog lamp out of front fascia.
3. Disconnect electrical connector.
Installation is in the reverse order of removal.
WKIA1886E
WKIA1887E
: 5.3 Nm (0.54 kg-m, 47 in-lb)
WKIA1888E

TURN SIGNAL AND HAZARD WARNING LAMPS
LT-91
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LT
Revision: August 20072004 QX56
4. CHECK GROUND
1. Check continuity between front turn/fog lamp LH harness con-
nector E101 terminal 3 (B) and ground.
2. Check continuity between front turn/fog lamp RH harness con-
nector E102 terminal 3 (B) and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK BULB
Check bulb standard of each turn signal lamp is correct. Refer to LT-170, "
Exterior Lamp" .
OK or NG
OK >> Replace BCM if turn signal lamps do not work after setting the connector again. Refer to BCS-19,
"Removal and Installation of BCM" .
NG >> Replace turn signal lamp bulb. Refer to LT- 9 4 , "
Bulb Replacement (Front Turn Signal Lamp)" .
Rear Turn Signal Lamp Does Not OperateEKS007BR
1. CHECK BULB
Check bulb standard of each turn signal lamp is correct. Refer to LT-170, "
Exterior Lamp" .
OK or NG
OK >> GO TO 2.
NG >> Replace turn signal lamp bulb. Refer to LT-122, "
Bulb Replacement (Turn Signal)" .
2. CHECK TURN SIGNAL LAMPS CIRCUIT
1. Disconnect BCM connector and rear turn signal lamp connector.
2. Check continuity between BCM harness connector M20 terminal
61 (G/Y) and rear turn signal lamp RH harness connector B105
terminal 1 (G/Y).
3. Check continuity between BCM harness connector M20 terminal
60 (G/B) and rear turn signal lamp LH harness connector B35
terminal 1 (G/B).
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.3 (B) - Ground : Continuity should exist.
3 (B) - Ground : Continuity should exist.
WKIA1891E
61 (G/Y) - 1 (G/Y) : Continuity should exist.
60 (G/B) - 1 (G/B) : Continuity should exist.
WKIA1892E

LT-92
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: August 20072004 QX56
3. CHECK GROUND CIRCUIT
Check continuity between rear turn signal lamp harness connector
B35 LH and B105 RH terminal 3 (B) and ground.
OK or NG
OK >> Check rear turn signal lamp connector for proper con-
nection. Repair as necessary.
NG >> Repair harness or connector.
Hazard Warning Lamp Does Not Operate But Turn Signal Lamps OperateEKS007BS
1. CHECK BULB
Make sure bulb standard of each turn signal lamp is correct. Refer to LT-170, "
Exterior Lamp" .
OK or NG
OK >> GO TO 2.
NG >> Replace turn signal lamp bulb. Refer to LT- 9 4 , "
Bulb Replacement (Front Turn Signal Lamp)" for
front turn signal bulb. Refer to LT-122, "
Bulb Replacement (Turn Signal)" for rear turn signal bulb.
2. CHECK HAZARD SWITCH INPUT SIGNAL
With CONSULT-II
Select “BCM” on CONSULT-II. With “FLASHER” data monitor, make
sure “HAZARD SW” turns ON-OFF linked with operation of hazard
switch.
Without CONSULT-II
Check voltage between BCM harness connector M18 terminal 29
(W/B) and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-19, "Removal and Installa-
tion of BCM" .
NG >> GO TO 3.3 (B) - Ground : Continuity should exist.
WKIA1893E
When hazard switch is in
ON position : HAZARD SW ON
SKIA4500E
BCM
(–) ConditionVo ltag e
(Approx.) (+)
ConnectorTe r m i n a l
(wire color)
M18 29 (W/B) GroundHazard switch is ON 0V
Hazard switch is OFF 5V
WKIA1969E

LT-94
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: August 20072004 QX56
Bulb Replacement (Front Turn Signal Lamp)EKS007BU
1. Remove turn/fog lamp assembly. Refer to LT- 7 9 , "Removal and Installation" .
2. Turn bulb socket counterclockwise to remove it from lamp housing.
3. Pull bulb from socket.
Installation is in the reverse order of removal.
Bulb Replacement (Rear Turn Signal Lamp)EKS007BV
Refer to LT- 1 2 2 , "Bulb Replacement (Turn Signal)" in REAR COMBINATION LAMP.
Removal and Installation of Front Turn Signal LampEKS007BW
Refer to LT- 3 3 , "Removal and Installation" .
Removal and Installation of Rear Turn Signal Lamp EKS007BX
Refer to LT- 1 2 2 , "Removal and Installation" in REAR COMBINATION LAMP.

STOP LAMP
LT-105
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Revision: August 20072004 QX56
High-Mounted Stop LampEKS007C8
BULB REPLACEMENT
The high-mounted stop lamp bulbs are not serviceable.
REMOVAL AND INSTALLATION
1. Remove back door upper finisher.
2. Remove 2 nuts and remove high-mounted stop lamp.
Installation is in the reverse order of removal.
Stop LampEKS007C9
BULB REPLACEMENT
The stop lamp bulbs are not serviceable separately. Replace rear combination lamp. Refer to LT-122,
"Removal and Installation" .
REMOVAL AND INSTALLATION
Refer to LT-122, "Removal and Installation" in REAR COMBINATION LAMP.
WKIA1397E

BACK-UP LAMP
LT-107
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Revision: August 20072004 QX56
Bulb ReplacementEKS007CB
1. Remove back door lower finisher. Refer to EI-41, "Removal and Installation" .
2. Turn bulb socket counterclockwise and remove it from the lamp housing.
3. Pull bulb from socket.
Installation is in the reverse order of removal.
Removal and InstallationEKS007CC
1. Remove license lamp finisher. Refer to EI-24, "Removal and Installation" .
2. Carefully release tabs to remove back up lamp housing from
license plate finisher.
Installation is in the reverse order of removal.
WKIA1898E

LT-120
PARKING, LICENSE PLATE AND TAIL LAMPS
Revision: August 20072004 QX56
6. CHECK GROUND
1. Check continuity between front combination lamp harness con-
nector and ground.
2. Check continuity between license lamps plate harness connec-
tor and ground.
3. Check continuity between rear combination lamp harness con-
nector and ground.
OK or NG
OK >> Check bulbs.
NG >> Repair harness or connector.
Parking, License Plate and Tail Lamps Do Not Turn OFF (After Approx. 10 Min-
utes)
EKS007CO
1. CHECK IPDM E/R
1. Turn ignition switch ON. Turn the combination switch (lighting switch) to the OFF position. Turn ignition
switch OFF.
2. Verify that the parking, license plate, and tail lamps turn on and off after approximately 10 minutes.
OK or NG
OK >> Ignition relay malfunction. Refer to PG-18, "Function of Detecting Ignition Relay Malfunction" .
NG >> Inspection End.
Front combination lamp
Continuity
ConnectorTe r m i n a l
(wire color)
RH E107
4 (B) Ground Yes
LH E11
WKIA1904E
License plate lamps
Continuity
ConnectorTerminal
(wire color)
D703 – (B) Ground Yes
WKIA1080E
Rear combination lamp
Continuity
ConnectorTe r m i n a l
(wire color)
RH B130
1 (B) Ground Yes
LH B70
WKIA1905E

PARKING, LICENSE PLATE AND TAIL LAMPS
LT-121
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Revision: August 20072004 QX56
Front Parking LampEKS007CP
BULB REPLACEMENT
For bulb replacement, refer to LT- 3 2 , "FRONT PARKING LAMP (INNER OR OUTER)" or LT-32, "FRONT
SIDE MARKER LAMP" .
Tail LampEKS007CQ
BULB REPLACEMENT
The tail lamp bulbs are not serviceable separately. Replace rear combination lamp. Refer to LT-122, "Removal
and Installation" .
License Plate LampEKS007TR
BULB REPLACEMENT
1. Remove back door lower finisher. Refer to EI-41, "Removal and Installation" .
2. Turn bulb socket counterclockwise to remove it.
3. Pull bulb from socket.
Installation is in the reverse order of removal.

LT-122
REAR COMBINATION LAMP
Revision: August 20072004 QX56
REAR COMBINATION LAMPPFP:26554
Bulb Replacement (Turn Signal)EKS007CR
NOTE:
The tail/stop lamp bulbs are LEDs and are not serviceable separately.
1. Remove rear combination lamp mounting bolts.
2. Pull rear combination lamp to remove from the vehicle.
3. Turn bulb socket counterclockwise and unlock it.
4. Remove bulb.
Installation is in the reverse order of removal.
Removal and InstallationEKS007CS
1. Remove rear combination lamp mounting bolts.
2. Pull rear combination lamp to remove from the vehicle.
3. Disconnect rear combination lamp connectors.
Installation is in the reverse order of removal.
WKIA1393E
Rear combination lamp
mounting bolts: 2.4 Nm (0.24 kg-m, 21 in-lb)
WKIA1393E