Nissan Pathfinder (2005 year). Instruction — part 325
HEADLAMP (FOR USA)
LT-5
C
D
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F
G
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LT
2005 Pathfinder
HEADLAMP (FOR USA)
PFP:26010
Component Parts and Harness Connector Location
EKS009JD
System Description
EKS009JE
Control of the front headlamp system operation is dependent upon the position of the combination switch
(lighting switch). When the lighting switch is placed in the 2ND position, the BCM (body control module)
receives input requesting the headlamps (and tail lamps) illuminate. This input is communicated to the IPDM
E/R (intelligent power distribution module engine room) across the CAN communication lines. The CPU (cen-
tral processing unit) of the IPDM E/R controls the front headlamp high and front headlamp low relay coils.
When energized, these relays direct power to the respective headlamps, which then illuminate.
OUTLINE
Power is supplied at all times
●
to headlamp high relay, located in the IPDM E/R, and
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to headlamp low relay, located in the IPDM E/R, and
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to ignition relay, located in the IPDM E/R, and
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through 20A fuse (No. 53, located in the IPDM E/R)
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to CPU of the IPDM E/R, and
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through 50A fusible link (letter g , located in the fuse and fusible link box)
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to BCM terminal 70.
With the ignition switch in the ON or START position, power is supplied
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through 10A fuse [No. 1, located in the fuse block (J/B)]
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to BCM terminal 38.
Ground is supplied
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to BCM terminal 67
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through grounds M57, M61 and M79, and
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to IPDM E/R terminals 38 and 59
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through grounds E9, E15 and E24.
LKIA0555E
LT-6
HEADLAMP (FOR USA)
2005 Pathfinder
Low Beam Operation
With the lighting switch in 2ND position, the BCM receives input requesting the headlamps to illuminate. This
input is communicated to the IPDM E/R across the CAN communication lines. The CPU of the IPDM E/R con-
trols the headlamp low relay coil. When energized, this relay directs power
●
through 15A fuse (No. 41, located in the IPDM E/R)
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through IPDM E/R terminal 54
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to front headlamp RH terminal 3, and
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through 15A fuse (No. 40, located in the IPDM E/R)
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through IPDM E/R terminal 52
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to front headlamp LH terminal 3.
Ground is supplied
●
to front headlamp LH and RH terminal 2
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through grounds E9, E15 and E24.
With power and ground supplied, low beam headlamps 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 request-
ing the headlamp high beams to illuminate. This input is communicated to the IPDM E/R across the CAN com-
munication lines. The CPU of the combination meter controls the ON/OFF status of the HIGH BEAM indicator.
The CPU of the IPDM E/R controls the headlamp high relay coil. When energized, this relay directs power
●
through 10A fuse (No. 34, located in the IPDM E/R)
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through IPDM E/R terminal 56
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to front headlamp RH terminal 1, and
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through 10A fuse (No. 35, located in the IPDM E/R)
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through IPDM E/R terminal 55
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to front headlamp LH terminal 1.
Ground is supplied
●
to front headlamp LH and RH terminal 2
●
through grounds E9, E15 and E24.
With power and ground supplied, the high beam headlamps illuminate.
BATTERY SAVER CONTROL
When the combination switch (lighting switch) is in the 2ND position (ON), and the ignition switch is turned
from ON or ACC to OFF, the battery saver control feature is activated.
Under this condition, the headlamps remain illuminated for 5 minutes, unless the combination switch (lighting
switch) position is changed. If the combination switch (lighting switch) position is changed, then the headlamps
are turned off.
AUTO LIGHT OPERATION
Refer to
for auto light operation.
VEHICLE SECURITY SYSTEM (PANIC ALARM)
The vehicle security system (panic alarm) will flash the high beams if the system is triggered. Refer to
.
CAN Communication System Description
EKS009JF
Refer to
.
HEADLAMP (FOR USA)
LT-7
C
D
E
F
G
H
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J
L
M
A
B
LT
2005 Pathfinder
Schematic
EKS009JG
WKWA2016E
LT-8
HEADLAMP (FOR USA)
2005 Pathfinder
Wiring Diagram — H/LAMP —
EKS009JH
WKWA2017E
HEADLAMP (FOR USA)
LT-9
C
D
E
F
G
H
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J
L
M
A
B
LT
2005 Pathfinder
WKWA2018E
LT-10
HEADLAMP (FOR USA)
2005 Pathfinder
WKWA2019E
HEADLAMP (FOR USA)
LT-11
C
D
E
F
G
H
I
J
L
M
A
B
LT
2005 Pathfinder
WKWA2020E
LT-12
HEADLAMP (FOR USA)
2005 Pathfinder
Terminals and Reference Values for BCM
EKS009JI
Terminal
No.
Wire
color
Signal name
Measuring condition
Reference value
(Approx.)
Ignition
switch
Operation or condition
2
P
Combination switch input 5
ON
Lighting, turn, wiper OFF
Wiper dial position 4
3
SB
Combination switch input 4
ON
Lighting, turn, wiper OFF
Wiper dial position 4
4
V
Combination switch input 3
ON
Lighting, turn, wiper OFF
Wiper dial position 4
5
L
Combination switch input 2
ON
Lighting, turn, wiper OFF
Wiper dial position 4
6
R
Combination switch input 1
32
O
Combination switch output 5
ON
Lighting, turn, wiper OFF
Wiper dial position 4
33
GR
Combination switch output 4
ON
Lighting, turn, wiper OFF
Wiper dial position 4
34
G
Combination switch output 3
ON
Lighting, turn, wiper OFF
Wiper dial position 4
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
SKIA5291E
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