HEADLAMP (FOR USA)
LT-25
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2. CHECK HEADLAMP INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH or LH connector.
3. Turn ignition switch ON.
4. Lighting switch is turned 2ND position.
5. Check voltage between front combination lamp RH or LH har-
ness connector and ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK HEADLAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector and
front combination lamp RH or LH harness connector.
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair harness or connector.
4. CHECK HEADLAMP GROUND
Check continuity between front combination lamp RH or LH harness
connector and ground.
OK or NG
OK >> Check headlamp harness and connector.
NG >> Repair harness or connector.
Terminals
Vo l ta g e
(Approx.) (+)
(-)
Front combination lamp
connectorTe r m i n a l
RH E24 7
Ground Battery voltage
LH E40 7
PKIA7010E
Te r m i n a l s
Continuity IPDM E/R Front combination lamp
Connector Terminal Connector Terminal
RH
E720 E24 7
Ye s
LH 30 E40 7
SKIA8670E
Front combination lamp
connectorTe r m i n a l
Ground Continuity
RH E24 4
Ye s
LH E40 4
PKIA4907E
LT-26
HEADLAMP (FOR USA)
Revision: 2006 November2007 350Z
Headlamps Does Not Turn OFFNKS004X3
1. CHECK HEADLAMP TURN OFF
Make sure that lighting switch is OFF. And check if headlamp turns off when ignition switch is turned OFF.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK COMBINATION SWITCH INPUT SIGNAL
CONSULT-III DATA MONITOR
1. Select "HEAD LAMP1" and "HEAD LAMP2" of BCM data monitor item.
2. With operating the lighting switch, check the monitor status.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-26, "Removal and Installation of IPDM E/R" .
NG >> Check combination switch (lighting switch). Refer to LT- 9 2 , "
Combination Switch Inspection" .
3. CHECKING CAN COMMUNICATIONS BETWEEN BCM AND IPDM E/R
Perform self-diagnosis for “BCM” with CONSULT-III.
Display of self-diagnosis results
NO DTC>> Replace IPDM E/R. Refer to PG-26, "Removal and Installation of IPDM E/R" .
CAN COMM CIRCUIT>> Refer to BCS-16, "
CAN Communication Inspection Using CONSULT-III (Self-Diag-
nosis)" .
General Information for Xenon Headlamp Trouble DiagnosisNKS004X4
In most cases, malfunction of xenon headlamp - “does not illuminate”, “flickers” or “dark” - is caused by a mal-
functioning xenon bulb. A malfunctioning HID control unit or lamp housing, however, may be a cause. Be sure
to perform trouble diagnosis following the steps described below.
Caution:NKS004X5
Installation or removal of connector must be done with lighting switch OFF.
Disconnect the battery cable from the negative terminal or remove power fuse.
CAUTION:
After the battery cables are disconnected, never open/close the driver and/or front passenger door
with the window in the full up position. The automatic window adjusting function will not work and
the side roof panel may be damaged.
When the lamp is illuminated (when lighting switch is ON), never touch harness, HID control unit, inside of
lamp, or lamp metal parts.
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.
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.
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.When lighting switch is OFF : HEAD LAMP SW1 OFF
: HEAD LAMP SW2 OFF
HEADLAMP (FOR USA)
LT-27
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Xenon Headlamp Trouble DiagnosisNKS004X6
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
Aiming AdjustmentNKS004X7
PREPARATION BEFORE ADJUSTING
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 level surface.
PKIC4917E
LT-28
HEADLAMP (FOR USA)
Revision: 2006 November2007 350Z
3. Set that there is no-load in vehicle other than the driver (or equivalent weight placed in driver's position).
Coolant, engine oil filled up to correct level and full fuel tank.
LOW BEAM AND HIGH BEAM
1. Turn headlamp low beam ON.
2. Use adjusting screws to perform aiming adjustment.
ADJUSTMENT USING AN ADJUSTMENT SCREEN (LIGHT/DARK BORDERLINE)
If the vehicle front body has been repaired and/or the headlamp assembly has been replaced, check aiming.
Use the aiming chart shown in the figure.
Basic illumination area for adjustment should be within the range shown on the aiming chart.
Adjust headlamp accordingly.
Bulb ReplacementNKS004X8
HEADLAMP HIGH/LOW BEAM
1. Turn lighting switch OFF.
2. Open the driver and front passenger window, and then discon-
nect the battery cable from the negative terminal or remove
power fuse.
CAUTION:
After the battery cables are disconnected, never open/close
the driver and/or front passenger door with the window in
the full up position. The automatic window adjusting func-
tion will not work and the side roof panel may be damaged.
3. Remove headlamp. Refer to LT- 2 9 , "
Removal and Installation" .
4. Turn plastic cap counterclockwise and unlock it.
5. Turn bulb socket counterclockwise and unlock it.
6. Unlock retaining spring and remove bulb from headlamp.
7. Installation is reverse order of removal.
PKIB5186E
PKIC4918E
HEADLAMP (FOR USA)
LT-29
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NOTE:
After installation, perform aiming adjustment. Refer to LT- 2 7 , "
Aiming Adjustment" .
PARKING LAMP
1. Turn lighting switch OFF.
2. Remove fender protector (front). Refer to EI-21, "
FENDER PROTECTOR" .
3. Turn bulb socket counterclockwise and unlock it.
4. Remove bulb from its socket.
5. Installation is reverse order of removal.
FRONT TURN SIGNAL LAMP
1. Turn lighting switch OFF.
2. Remove fender protector (front). Refer to EI-21, "
FENDER PROTECTOR" .
3. Turn bulb socket counterclockwise and unlock it.
4. Remove bulb from its socket.
5. Installation is reverse order of removal.
FRONT SIDE MARKER LAMP
1. Remove headlamp. Refer to LT- 2 9 , "Removal and Installation" .
2. Replacement integral with headlamp housing assembly.
3. Installation is reverse order of removal.
CAUTION:
After installing bulb, be sure to install plastic cap and bulb socket securely to insure watertightness.
Removal and InstallationNKS004X9
REMOVAL
1. Open the driver and front passenger window, and then disconnect the battery cable from the negative ter-
minal or remove power fuse.
CAUTION:
After battery cables are disconnected, never open/close the driver and/or front passenger door
with the window in the full up position. The automatic window adjusting function will not work and
the side roof panel may be damaged.
2. Remove front bumper fascia. Refer to EI-14, "
FRONT
BUMPER" .
3. Remove headlamp mounting bolts.
4. Pull head lamp toward vehicle front, disconnect connector, and
remove headlamp.
INSTALLATION
Installation is the reverse order of removal.
NOTE:
After installation, perform aiming adjustment. Refer to LT- 2 7 , "
Aiming Adjustment" . Headlamp high/low beam (Xenon) : 12V - 35W (D2R)
Parking lamp : 12V - 5W
Front turn signal lamp/— : 12V - 28/8W (amber)
Front side marker lamp : LED
PKIA1865E
Headlamp mounting bolt : 6.1 N·m (0.62 kg-m, 54 in-lb)
LT-32
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
Revision: 2006 November2007 350Z
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -PFP:26010
Component Parts and Harness Connector LocationNKS004XC
System DescriptionNKS004XD
BCM (Body Control Module) controls headlamps low beam, high beam and daytime light operation.
Daytime light system operates parking, license plate, side marker, tail lamps and headlamp low beam
according to signals from unified meter and A/C amp. (receive parking brake switch signal through CAN
communication), ECM (receive engine status signal through CAN communication), lighting switch, and
ignition switch.
IPDM E/R (Intelligent Power Distribution Module Engine Room) operates parking, license plate, side
marker, tail lamps, headlamp bulbs and high beam solenoids according to CAN communication signals
from BCM.
Unified meter and A/C amp. operates high beam indicator lamp according to CAN communication signals
from BCM.
OUTLINE
Power is supplied at all times
to headlamp high relay, located in IPDM E/R and
to headlamp low relay, located in IPDM E/R, from battery directly,
through 15A fuse [No. 78, located in IPDM E/R]
to CPU (central processing unit) located in IPDM E/R,
through 40A fusible link [letter F, located in the fuse, fusible link and relay box]
to BCM terminal 55,
through 10A fuse [No.18, located in fuse block (J/B)]
PKIC4852E
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-33
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to BCM terminal 42,
through 10A fuse [No. 71, located in IPDM E/R]
to CPU located in IPDM E/R,
through 10A fuse [No.19, located in fuse block (J/B)]
to combination meter terminal 24,
through 10A fuse [No.33, located in the fuse, fusible link and relay box]
to daytime light relay terminals 1 and 3.
With ignition switch in ON or START position, power is supplied
to CPU located in IPDM E/R,
through 10A fuse [No. 1, located in fuse block (J/B)]
to BCM terminal 38,
through 10A fuse [No.14, located in fuse block (J/B)]
to combination meter terminal 23.
With ignition switch in ACC or ON position, power is supplied
through 10A fuse [No. 6, located in fuse block (J/B)]
to BCM terminal 11.
Ground is supplied
to IPDM E/R terminals 38 and 60
through grounds E17, E43 and B102 (with VDC system, navigation system or telephone)
through grounds E17, E43 and F152 (without VDC system, navigation system and telephone),
to BCM terminal 52
through grounds M30 and M66,
to combination meter terminals 10, 11 and 12
through grounds M30 and M66.
HEADLAMP OPERATION
Low Beam Operation
With the lighting switch in 2ND position, the BCM receives input signal requesting the headlamps to illuminate.
This input signal is communicated to the IPDM E/R through CAN communication. The CPU located in the
IPDM E/R controls the headlamp low relay turned ON, which when energized, supplies power,
through 15A fuse [No. 76, located in IPDM E/R]
through IPDM E/R terminal 20
to front combination lamp RH terminal 7,
through 15A fuse [No. 86, located in IPDM E/R]
through IPDM E/R terminal 30
to front combination lamp LH terminal 7.
Ground is supplied
to front combination lamp RH terminal 4, and
to front combination lamp LH terminal 4
through grounds E17, E43 and B102 (with VDC system, navigation system or telephone)
through grounds E17, E43 and F152 (without VDC system, navigation system and telephone).
With power and ground supplied, headlamp bulbs illuminate.
High Beam Operation /Flash-to-Pass Operation
With the lighting switch in 2ND position and placed in HIGH or PASS position, the BCM receives input signal
requesting headlamp high beams to illuminate. High beam request signal and low beam request signal is com-
municated to the IPDM E/R through CAN communication. The CPU located in the IPDM E/R controls head-
lamp high relay and headlamp low relay turned ON, which when energized, supplies power,
through 15A fuse [No. 76, located in IPDM E/R]
through IPDM E/R terminal 20
to front combination lamp RH terminal 7,
LT-34
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
Revision: 2006 November2007 350Z
through 15A fuse [No. 86, located in IPDM E/R]
through IPDM E/R terminal 30
to front combination lamp LH terminal 7,
through 10A fuse [No.72, located in IPDM E/R]
through IPDM E/R terminal 27
to front combination lamp RH terminal 3,
through 10A fuse [No.74, located in IPDM E/R]
through IPDM E/R terminal 28
to front combination lamp LH terminal 3.
Ground is supplied
to front combination lamp RH terminal 4, and
to front combination lamp LH terminal 4
through grounds E17, E43 and B102 (with VDC system, navigation system or telephone)
through grounds E17, E43 and F152 (without VDC system, navigation system and telephone).
With the power and ground supplied, headlamp bulbs illuminate. High beam solenoids move the bulb shades
in the front combination lamps, and the bulb shades change to high beam position.
Unified meter and A/C amp. receives signal from BCM through CAN communication, and then combination
meter indicator illuminates high beam,
DAYTIME LIGHT OPERATION
Once the parking brake is turned OFF after ignition switch ON, if the lighting switch is turned OFF while engine
is running, the BCM outputs the signal requesting parking, license plate, side marker, tail lamps and headlamp
low beam to illuminate. This output signal is communicated to the IPDM E/R through CAN communication.
The CPU located in the IPDM E/R controls headlamp low relay and daytime light relay turned ON, which when
energized, supplies power,
through 15A fuse [No.76, located in the IPDM E/R]
through IPDM E/R terminal 20
to front combination lamp RH terminal 7,
through 15A fuse [No.86, located in the IPDM E/R]
through IPDM E/R terminal 30
to front combination lamp LH terminal 7,
through 10A fuse [No.33, located in the fuse, fusible link and relay box]
through daytime light relay terminal 2
to IPDM E/R terminal 55,
through daytime light relay terminal 5
to front combination lamp RH terminal 6
to front combination lamp LH terminal 6
to rear combination lamp RH terminal 2
to rear combination lamp LH terminal 2
to license plate lamp RH terminal 2
to license plate lamp LH terminal 2.
Ground is supplied
to front combination lamp RH terminal 4
to front combination lamp LH terminal 4
to front combination lamp RH terminal 8
to front combination lamp LH terminal 8
through grounds E17, E43 and B102 (with VDC system, navigation system or telephone)
through grounds E17, E43 and F152 (without VDC system, navigation system and telephone),
to rear combination lamp RH terminal 3
to rear combination lamp LH terminal 3
to license plate lamp RH terminal 1