Nissan Murano Z50 (2003 year). Manual — part 220
LT-8
HEADLAMP - XENON TYPE -
Revision; 2004 April
2003 Murano
HEADLAMP - XENON TYPE -
PFP:26010
Component Parts and Harness Connector Location
AKS007KW
System Description
AKS007KX
Control of the 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
signal requesting the headlamps (and tail lamps) illuminate. This input signal is communicated to the IPDM E/
R (intelligent power distribution module engine room) across the CAN communication lines. The CPU (central
processing unit) of the IPDM E/R controls the headlamp high and headlamp low relay coils. These relays,
when energized, direct power to the respective headlamps, which then illuminate.
If voltage is applied to a high beam solenoid, the bulb shade will move, even a xenon head lamp bulb comes
out, and a high beam and a low beam are changed.
OUTLINE
Power is supplied at all times
●
to headlamp high relay [located in IPDM E/R (intelligent power distribution module engine room)]
●
to headlamp low relay [located in IPDM E/R (intelligent power distribution module engine room)]
●
through 50A fusible link (letter F, located in fuse and fusible link block)
●
to BCM (body control module) terminal 7
●
through 15A fuse [No. 73, located in IPDM E/R (intelligent power distribution module engine room)]
●
to CPU (central processing unit) [located in IPDM E/R (intelligent power distribution module engine room)]
●
through 10A fuse [No. 21, located in fuse block (J/B)]
●
to combination meter terminal 21
With the ignition switch in the ON or START position, power is supplied
●
through 10A fuse [No. 1, located in fuse block (J/B)]
●
to BCM (body control module) terminal 35
●
through 10A fuse [No. 80, located in IPDM E/R (intelligent power distribution module engine room)]
●
to CPU (central processing unit) [located in IPDM E/R (intelligent power distribution module engine room)]
SKIA4596E
HEADLAMP - XENON TYPE -
LT-9
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●
through 10A fuse [No. 14, located in fuse block (J/B)]
●
to combination meter terminal 20
With the ignition switch in the ACC or ON position, power is supplied
●
through 10A fuse [No. 6, located in fuse block (J/B)]
●
to BCM (body control module) terminal 36
Ground is supplied
●
to BCM (body control module) terminal 8
●
through grounds E13, E26 and E28
●
to IPDM E/R (intelligent power distribution module engine room) terminals 14 and 45
●
through grounds E13, E26 and E28.
●
to combination meter terminal 22, 23 and 24
●
through grounds M14 and M78.
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 across the CAN communication lines. The CPU in the
IPDM E/R controls the headlamp low relay coil, which when energized, directs power
●
to 15A fuse [No. 83, located in IPDM E/R]
●
through IPDM E/R terminal 27
●
to headlamp RH terminal 4, and
●
to 15A fuse [No. 84, located in IPDM E/R]
●
through IPDM E/R terminal 21
●
to headlamp LH terminal 4.
Ground is supplied
●
to headlamp RH terminal 5
●
through grounds E13, E26 and E28, and
●
to headlamp LH terminal 5
●
through grounds E13, E26 and E28.
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 signal
requesting the headlamp high beams to illuminate. This input signal is communicated to the IPDM E/R across
the CAN communication lines. The CPU in the IPDM E/R controls the headlamp high relay coil and low relay
coil, which when energized, directs power
●
to 15A fuse [No. 83, located in IPDM E/R]
●
through IPDM E/R terminal 27
●
to headlamp RH terminal 4, and
●
to 15A fuse [No. 84, located in IPDM E/R]
●
through IPDM E/R terminal 21
●
to headlamp LH terminal 4
●
to 10A fuse [No. 86, located in IPDM E/R]
●
through IPDM E/R terminal 24
●
to headlamp RH terminal 1, and
●
to 10A fuse [No. 85, located in IPDM E/R]
●
through IPDM E/R terminal 22
●
to headlamp LH terminal 1.
Ground is supplied
●
to headlamp RH terminal 5
●
through grounds E13, E26 and E28, and
●
to headlamp LH terminal 5
LT-10
HEADLAMP - XENON TYPE -
Revision; 2004 April
2003 Murano
●
through grounds E13, E26 and E28.
With power and ground supplied, the high beam headlamps illuminate.
If voltage is applied to a high beam solenoid, the bulb shade will move, even a xenon head lamp bulb comes
out, and a high beam and a low beam are changed.
The unified meter and A/C amp that received the high beam request signal by BCM across the CAN commu-
nication makes a high beam indicator lamp turn on in combination meter.
COMBINATION SWITCH READING FUNCTION
Refer to
LT-251, "Combination Switch Reading Function"
.
EXTERIOR LAMP 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 function is activated.
Under this condition, the headlamps remain illuminated for 5 minutes, then the headlamps are turned off.
Exterior lamp battery saver control mode can be changed by the function setting of CONSULT-II.
AUTO LIGHT OPERATION
Refer to
VEHICLE SECURITY SYSTEM
The vehicle security system will flash the high beams if the system is triggered. Refer to
SECURITY (THEFT WARNING) SYSTEM"
XENON HEADLAMP
Xenon type headlamp is adopted to the low beam headlamps. Xenon bulbs do not use a filament. Instead,
they produce light when a high voltage current is passed between two tungsten electrodes through a mixture
of xenon (an inert gas) and certain other metal halides. In addition to added lighting power, electronic control
of the power supply gives the headlamps stable quality and tone color.
Following are some of the many advantages of the xenon type headlamp.
●
The light produced by the headlamps is a white color comparable to sunlight that is easy on the eyes.
●
Light output is nearly double that of halogen headlamps, affording increased area of illumination.
●
The light features a high relative spectral distribution at wavelengths to which the human eye is most sen-
sitive. This means that even in the rain, more light is reflected back from the road surface toward the vehi-
cle, for added visibility.
●
Power consumption is approximately 25 percent less than halogen headlamps, reducing battery load.
HEADLAMP - XENON TYPE -
LT-11
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CAN Communication System Description
AKS007KY
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Unit For 2WD Models
AKS007QL
×
: Applicable
Body type
Wagon
Axle
2WD
Engine
VQ35DE
Transmission
CVT
Brake control
ABS
VDC
Low tire pressure warning
system
×
×
×
×
×
×
×
×
Navigation system
×
×
×
×
×
×
×
×
Automatic drive positioner
×
×
×
×
×
×
×
×
CAN communication unit
ECM
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
TCM
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Low tire pressure warning
control unit
×
×
×
×
×
×
×
×
Display unit
×
×
×
×
×
×
×
×
Display control unit
×
×
×
×
×
×
×
×
Data link connector
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
BCM
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Unified meter and A/C amp.
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Steering angle sensor
×
×
×
×
×
×
×
×
Driver seat control unit
×
×
×
×
×
×
×
×
ABS actuator and electric
unit (control unit)
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
IPDM E/R
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
CAN communication type
LT-12, "TYPE 1/TYPE 2/TYPE 3/TYPE 4/TYPE 5/
LT-12
HEADLAMP - XENON TYPE -
Revision; 2004 April
2003 Murano
TYPE 1/TYPE 2/TYPE 3/TYPE 4/TYPE 5/TYPE 6/TYPE 7/TYPE 8
System Diagram
●
Type1
●
Type2
●
Type3
SKIA4902E
SKIA4903E
SKIA4904E
HEADLAMP - XENON TYPE -
LT-13
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Revision; 2004 April
2003 Murano
●
Type4
●
Type5
●
Type6
SKIA4905E
SKIA4906E
SKIA4907E
LT-14
HEADLAMP - XENON TYPE -
Revision; 2004 April
2003 Murano
●
Type7
●
Type8
SKIA4908E
SKIA4909E
HEADLAMP - XENON TYPE -
LT-15
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Revision; 2004 April
2003 Murano
Input/output Signal Chart
T: Transmit R: Receive
Signals
ECM
TCM
Low
tire
pres-
sure
warn-
ing
control
unit
Dis-
play
unit
Dis-
play
control
unit
BCM
Uni-
fied
meter
and A/
C amp.
Driver
seat
control
unit
ABS
actua-
tor and
elec-
tric unit
(con-
trol
unit)
IPDM
E/R
Engine speed signal
T
R
R
R
R
Engine status signal
T
R
Engine coolant temperature signal
T
R
CVT position indicator signal
T
R
Second position signal
R
T
Second position indicator signal
T
R
Engine and CVT integrated control
signal
T
R
R
T
Accelerator pedal position signal
T
R
Closed throttle position signal
T
R
Wide open throttle position signal
T
R
Key switch signal
T
R
Ignition switch signal
T
R
R
P range signal
T
R
Stop lamp switch signal
R
T
Fuel consumption monitor signal
T
R
CVT self-diagnosis signal
R
T
ABS operation signal
R
T
Air conditioner switch signal
R
T
A/C compressor request signal
T
R
A/C compressor feedback signal
T
R
Blower fan motor switch signal
R
T
A/C control signal
T
T
R
R
R
T
Cooling fan speed request signal
T
R
Position lights request signal
T
R
R
Low beam request signal
T
R
Low beam status signal
R
T
High beam request signal
T
R
R
High beam status signal
R
T
Front fog lights request signal
T
R
Vehicle speed signal
R
R
T
R
R
R
R
T
R
Sleep request 1 signal
T
R
Sleep request 2 signal
T
R
Door switch signal
R
T
R
R
T
R
R
R
Turn indicator signal
T
R
LT-16
HEADLAMP - XENON TYPE -
Revision; 2004 April
2003 Murano
Key fob ID signal
T
R
Key fob door unlock signal
T
R
Seat belt buckle switch signal
R
T
Oil pressure switch signal
R
T
T
R
Buzzer output signal
T
R
Fuel level sensor signal
R
T
Fuel level low warning signal
R
R
T
Malfunction indicator lamp signal
T
R
ASCD SET lamp signal
T
R
ASCD CRUISE lamp signal
T
R
Input shaft revolution signal
R
T
Output shaft revolution signal
R
T
Front wiper request signal
T
R
Front wiper stop position signal
R
T
Rear window defogger switch signal
T
R
Rear window defogger control signal
R
R
R
T
Hood switch signal
R
T
Theft warning horn request signal
T
R
Horn chirp signal
T
R
Tire pressure signal
T
R
Tire pressure data signal
T
R
R
ABS warning lamp signal
R
T
Brake warning lamp signal
R
T
System setting signal
T
T
R
Parking brake switch signal
R
T
Signals
ECM
TCM
Low
tire
pres-
sure
warn-
ing
control
unit
Dis-
play
unit
Dis-
play
control
unit
BCM
Uni-
fied
meter
and A/
C amp.
Driver
seat
control
unit
ABS
actua-
tor and
elec-
tric unit
(con-
trol
unit)
IPDM
E/R
HEADLAMP - XENON TYPE -
LT-17
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Revision; 2004 April
2003 Murano
TYPE 9/TYPE10/TYPE 11/TYPE 12/TYPE 13/TYPE 14/TYPE 15/TYPE 16
System Diagram
●
Type9
●
Type10
●
Type11
SKIA4910E
SKIA4911E
SKIA4912E
LT-18
HEADLAMP - XENON TYPE -
Revision; 2004 April
2003 Murano
●
Type12
●
Type13
●
Type14
SKIA4913E
SKIA4914E
SKIA4915E
HEADLAMP - XENON TYPE -
LT-19
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A
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LT
Revision; 2004 April
2003 Murano
●
Type15
●
Type16
SKIA4916E
SKIA4917E
LT-20
HEADLAMP - XENON TYPE -
Revision; 2004 April
2003 Murano
Input/output Signal Chart
T: Transmit R: Receive
Signals
ECM
TCM
Low
tire
pres-
sure
warn-
ing
con-
trol
unit
Dis-
play
unit
Dis-
play
con-
trol
unit
BCM
Uni-
fied
meter
and A/
C
amp.
Steer-
ing
angle
sen-
sor
Driver
seat
con-
trol
unit
ABS
actua-
tor
and
elec-
tric
unit
(con-
trol
unit)
IPDM
E/R
Engine speed signal
T
R
R
R
R
R
Engine status signal
T
R
Engine coolant temperature signal
T
R
Engine and CVT integrated control
signal
T
R
R
T
Accelerator pedal position signal
T
R
R
Closed throttle position signal
T
R
Wide open throttle position signal
T
R
Key switch signal
T
R
Ignition switch signal
T
R
R
P range signal
T
R
R
Stop lamp switch signal
R
T
VDC operation signal
R
T
Second position indicator signal
T
R
R
Second position signal
R
T
Fuel consumption monitor signal
T
R
CVT self-diagnosis signal
R
T
Input shaft revolution signal
R
T
R
Output shaft revolution signal
R
T
R
Air conditioner switch signal
R
T
A/C compressor request signal
T
R
A/C compressor feedback signal
T
R
Blower fan motor switch signal
R
T
A/C control signal
T
T
R
R
R
T
Cooling fan speed request signal
T
R
Position lights request signal
T
R
R
Low beam request signal
T
R
Low beam status signal
R
T
High beam request signal
T
R
R
High beam status signal
R
T
Front fog lights request signal
T
R
Vehicle speed signal
R
R
T
R
R
R
R
T
R
Sleep request 1 signal
T
R
Sleep request 2 signal
T
R
HEADLAMP - XENON TYPE -
LT-21
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B
LT
Revision; 2004 April
2003 Murano
Door switch signal
R
T
R
R
T
R
R
R
Turn indicator signal
T
R
Key fob ID signal
T
R
Key fob door unlock signal
T
R
Seat belt buckle switch signal
R
T
Oil pressure switch signal
R
T
T
R
Buzzer output signal
T
R
Fuel level sensor signal
R
T
Fuel level low warning signal
R
R
T
Malfunction indicator signal
T
R
ASCD SET lamp signal
T
R
ASCD CRUISE lamp signal
T
R
Front wiper request signal
T
R
Front wiper stop position signal
R
T
Rear window defogger switch signal
T
R
Rear window defogger control signal
R
R
R
T
Hood switch signal
R
T
Theft warning horn request signal
T
R
Horn chirp signal
T
R
Steering angle sensor signal
T
R
Tire pressure signal
T
R
Tire pressure data signal
T
R
R
CVT position indicator signal
T
R
R
ABS warning lamp signal
R
T
VDC OFF indicator lamp signal
R
T
SLIP indicator lamp signal
R
T
Brake warning lamp signal
R
T
System setting signal
T
T
R
Parking brake switch signal
R
T
Signals
ECM
TCM
Low
tire
pres-
sure
warn-
ing
con-
trol
unit
Dis-
play
unit
Dis-
play
con-
trol
unit
BCM
Uni-
fied
meter
and A/
C
amp.
Steer-
ing
angle
sen-
sor
Driver
seat
con-
trol
unit
ABS
actua-
tor
and
elec-
tric
unit
(con-
trol
unit)
IPDM
E/R
LT-22
HEADLAMP - XENON TYPE -
Revision; 2004 April
2003 Murano
CAN Communication Unit For AWD Models
AKS007QM
×
: Applicable
TYPE 17/TYPE 18/TYPE 19/TYPE 20/TYPE 21/TYPE 22/TYPE 23/TYPE 24
System Diagram
●
Type17
Body type
Wagon
Axle
AWD
Engine
VQ35DE
Transmission
CVT
Brake control
ABS
VDC
Low tire pressure warning
system
×
×
×
×
×
×
×
×
Navigation system
×
×
×
×
×
×
×
×
Automatic drive positioner
×
×
×
×
×
×
×
×
CAN communication unit
ECM
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
TCM
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Low tire pressure warning
control unit
×
×
×
×
×
×
×
×
Display unit
×
×
×
×
×
×
×
×
Display control unit
×
×
×
×
×
×
×
×
Data link connector
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
BCM
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Unified meter and A/C amp.
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Steering angle sensor
×
×
×
×
×
×
×
×
Driver seat control unit
×
×
×
×
×
×
×
×
AWD control unit
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
ABS actuator and electric
unit (control unit)
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
IPDM E/R
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
CAN communication type
LT-22, "TYPE 17/TYPE 18/TYPE 19/TYPE 20/
TYPE 21/TYPE 22/TYPE 23/TYPE 24"
LT-28, "TYPE 25/TYPE26/TYPE 27/TYPE 28/
TYPE 29/TYPE 30/TYPE 31/TYPE 32"
SKIA4918E
HEADLAMP - XENON TYPE -
LT-23
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LT
Revision; 2004 April
2003 Murano
●
Type18
●
Type19
●
Type20
SKIA4919E
SKIA4920E
SKIA4921E
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