Infiniti M35/M45 Y50. Manual — part 881
HEADLAMP (FOR USA) - XENON TYPE -
LT-69
C
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A
B
LT
3.
CHECK HEADLAMP GROUND
1.
Turn ignition switch OFF.
2.
Check continuity between front combination lamp RH or LH har-
ness connector and ground.
OK or NG
OK
>> Check headlamp harness and connectors.
NG
>> Repair harness or connector.
4.
CHECK CIRCUIT BETWEEN IPDM E/R AND FRONT COMBINATION LAMP
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between IPDM E/R harness connector (A) and
front combination lamp RH or LH harness connector (B).
4.
Check continuity between IPDM E/R harness connector (A) and
ground.
OK or NG
OK
>> Replace IPDM E/R. Refer to
PG-31, "Removal and Installation of IPDM E/R"
.
NG
>> Repair harness or connector.
Front combination lamp
connector
Terminal
Ground
Continuity
RH
E47
4
Yes
LH
E54
4
SKIB4759E
Circuit
A
B
Continuity
Connector
Terminal
Connector
Terminal
RH
E7
20
E47
8
Yes
LH
30
E54
8
A
Ground
Continuity
Connector
Terminal
RH
E7
20
No
LH
30
SKIB4760E
LT-70
HEADLAMP (FOR USA) - XENON TYPE -
Headlamps Do Not Turn OFF
NKS003P1
1.
CHECK HEADLAMP TURN OFF
Make sure that lighting switch is OFF. And make sure 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
Select “BCM” on CONSULT-II. With “HEAD LAMP” data monitor,
make sure “HEAD LAMP SW 1” and “HEAD LAMP SW 2” turns ON-
OFF linked with operation of lighting switch.
OK or NG
OK
NG
>> Check combination switch (lighting switch). Refer to
239, "Combination Switch Inspection"
.
3.
CHECK CAN COMMUNICATIONS BETWEEN BCM AND IPDM E/R
Select “BCM” on CONSULT-II, and perform self-diagnosis for “BCM”.
Display of self-diagnosis results
NO DTC>> Replace IPDM E/R. Refer to
CAN COMM CIRCUIT>> Refer to
Inspection Using CONSULT-II (Self-Diagnosis)"
When lighting switch is OFF
position
: HEAD LAMP SW 1 OFF
: HEAD LAMP SW 2 OFF
PKIA7588E
PKIA7627E
HEADLAMP (FOR USA) - XENON TYPE -
LT-71
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General Information for Xenon Headlamp Trouble Diagnosis
NKS003P2
In most cases, malfunction of xenon headlamp - "does not illuminate", "flickers" or "dark" - is caused by a mal-
functioning 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:
NKS003P3
●
Installation or removal of connector must be done with lighting switch OFF.
●
Disconnect the battery cable from the negative terminal or remove power fuse.
●
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.
Xenon Headlamp Trouble Diagnosis
NKS003P4
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.
NG
>> INSPECTION END
LT-72
HEADLAMP (FOR USA) - XENON TYPE -
Aiming Adjustment
NKS003P5
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 flat surface.
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.
SKIB4152E
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