Infiniti Q45. Manual — part 673
HEADLAMP (FOR USA)
LT-29
C
D
E
F
G
H
I
J
L
M
A
B
LT
●
If malfunctioning, replace switch.
General Information for Xenon Headlamp Trouble Diagnosis
NKS0017K
In most cases, malfunction of xenon headlamp - “does not illuminate”, “flickers” or “dark” - is caused by a faulty
xenon bulb. A HID control unit or lamp housing, however, may be a cause of malfunction. Be sure to perform
trouble diagnosis following the steps described below.
Caution:
NKS0017L
●
Installation or removal of connector must be done with lighting switch OFF.
●
Disconnect the battery cable from the negative terminal or remove power fuse.
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When the lamp is illuminated (when lighting switch is ON), never touch harness, HID control unit, inside of
lamp, or lamp metal parts.
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To check illumination, temporarily install lamp in vehicle. Be sure to connect power at vehicle side connec-
tor.
●
If error can be traced directly to electrical system, first check for items such as blown fuses and fusible
links, broken wires or loose connectors, dislocated terminals, and improper connections.
●
Never work with wet hands.
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Using a tester for HID control unit circuit trouble diagnosis is prohibited.
●
Disassembling HID control unit or harnesses (bulb socket harness, ECM harness) is prohibited.
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Immediately after illumination, light intensity and color will fluctuate, but there is nothing wrong.
●
When bulb has come to end of its life, brightness will drop significantly, it will flash repeatedly, or light color
will turn reddish.
Xenon Headlamp Trouble Diagnosis
NKS0017M
1.
CHECK 1: XENON HEADLAMP LIGHTING
Install normal xenon bulb to corresponding xenon bulb headlamp, and check if lamp lights up.
OK or NG
OK
>> Replace xenon bulb.
NG
>> GO TO 2.
2.
CHECK 2: XENON HEADLAMP LIGHTING
Install normal HID control unit to corresponding xenon headlamp, and check if lamp lights up.
OK or NG
OK
>> Replace HID control unit.
NG
>> GO TO 3.
3.
CHECK 3: XENON HEADLAMP LIGHTING
Install normal xenon lamp housing assembly to corresponding xenon headlamp, and check if lamp lights up.
OK or NG
OK
>> Replace xenon headlamp housing assembly. [Malfunction in starter (boosting circuit) in xenon
headlamp housing]
NG
>> INSPECTION END
LT-30
HEADLAMP (FOR USA)
Aiming Adjustment
NKS0017N
For details, refer to the regulations in your own country.
Before performing aiming adjustment, check the following.
1.
Keep all tires inflated to correct pressures.
2.
Place vehicle on flat surface.
3.
See that there is no load in vehicle other than driver (or equivalent weight placed in driver's seat) and that
coolant and engine oil are filled up to correct levels and fuel tank is full of fuel.
LOW BEAM AND HIGH BEAM
1.
Turn headlamp low beam ON.
2.
Use adjusting screws to perform aiming adjustment.
PKIC9185E
HEADLAMP (FOR USA)
LT-31
C
D
E
F
G
H
I
J
L
M
A
B
LT
●
First tighten the adjusting screw all the way and then make adjustment by loosening the screw.
If the vehicle front body has been repaired and/or the headlamp assembly has been replaced, check aim-
ing. Use the aiming chart shown in the figure.
●
Basic illuminating area for adjustment should be within the range shown on the aiming chart.
Adjust headlamps accordingly.
Bulb Replacement
NKS0017O
HEADLAMP (OUTER SIDE), FOR LOW BEAM
1.
Disconnect the battery cable from the negative terminal or
remove the power fuse.
2.
Remove headlamps. Refer to
LT-33, "Removal and Installation"
3.
Turn plastic cap counterclockwise and unlock it.
4.
Disconnect headlamp connector.
5.
Turn bulb socket counterclockwise and unlock it.
6.
Unlock retaining spring and remove bulb from headlamp.
HEADLAMP (INNER SIDE), FOR HIGH BEAM
1.
Disconnect the battery cable from the negative terminal or remove the power fuse.
2.
Disconnect headlamp connector.
3.
Remove mass airflow sensor cover and air cleaner (when replacing LH bulb). Refer to
4.
Remove battery cover and battery (when replacing RH bulb). Refer to
SC-8, "Removal and Installation"
5.
Turn plastic cap counterclockwise and unlock it.
6.
Disconnect terminal connected to bulb.
7.
Unlock retaining spring and remove bulb from headlamp.
PKIB0568E
PKIC9186E
LT-32
HEADLAMP (FOR USA)
PARKING LAMP
1.
Turn lighting switch OFF.
2.
Disconnect the battery cable from the negative terminal or remove the power fuse.
3.
Disconnect headlamp connector.
4.
Remove mass airflow sensor cover and air cleaner (when replacing LH bulb). Refer to
.
5.
Remove battery cover and battery (when replacing RH bulb). Refer to
SC-8, "Removal and Installation"
6.
Turn bulb socket counterclockwise and unlock it.
7.
Remove bulb from its socket.
FRONT TURN SIGNAL LAMP
1.
Turn lighting switch OFF.
2.
Disconnect the battery cable from the negative terminal or remove the power fuse.
3.
Disconnect headlamp connector.
4.
Remove mass airflow sensor cover and air cleaner assembly (when replacing LH bulb). Refer to
.
5.
Remove battery cover and battery (when replacing RH bulb). Refer to
SC-8, "Removal and Installation"
6.
Turn bulb socket counterclockwise and unlock it.
7.
Remove bulb from its socket.
FRONT SIDE MARKER LAMP
1.
Turn lighting switch OFF.
2.
Disconnect the battery cable from the negative terminal or remove the power fuse.
3.
Disconnect headlamp connector.
4.
Remove engine undercover and fender protector.
5.
Remove washer tank (when replacing LH bulb).
6.
Turn bulb socket counterclockwise and unlock it.
7.
Remove bulb from its socket.
CAUTION:
After installing bulb, be sure to install plastic cap and bulb socket securely to ensure watertightness.
Headlamp (outer side), for low beam
: 12V - 35W (D2S)
Headlamp (inner side), for high beam
: 12V - 60W (HB3)
Parking lamp
: 12V - 5W
Front turn signal lamp
: 12V - 21W (amber)
Front side marker lamp
: 12V - 5W
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