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LIGHTING SYSTEM

K ELECTRICAL

SECTION
LIGHTING SYSTEM
LT B

E
CONTENTS
PRECAUTIONS ......................................................... 5 . High Beam Indicator Lamp Does Not Illuminate .... 26 . F
Precautions for Supplemental Restraint System Headlamp Low Beam Does Not Illuminate (Both
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Sides) .................................................................... 26
.
SIONER" ................................................................. 5
. Headlamp Low Beam Does Not Illuminate (One G
General Precautions For Service Operations ......... 5 . Side) ...................................................................... 29
.
Wiring Diagrams and Trouble Diagnosis ................. 6 . Headlamp RH Low Beam and High Beam Does Not
HEADLAMP - XENON TYPE - .................................. 7 . Illuminate ............................................................... 30
.
H
Component Parts and Harness Connector Location 7 ..... Headlamp LH Low Beam and High Beam Does Not
System Description ................................................. 7 . Illuminate ............................................................... 30
.
OUTLINE .............................................................. 7
. Headlamps Do Not Turn OFF ................................ 31 .
HEADLAMP OPERATION ................................... 8 . CAUTION: ............................................................. 32. I
COMBINATION SWITCH READING FUNCTION 9 ..... Xenon Headlamp Trouble Diagnosis ..................... 32 .
EXTERIOR LAMP BATTERY SAVER CONTROL 9 ..... Aiming Adjustment ................................................. 33 .
AUTO LIGHT OPERATION .................................. 9 . PREPARATION BEFORE ADJUSTING ............. 33 . J
VEHICLE SECURITY SYSTEM ........................... 9 . LOW BEAM AND HIGH BEAM .......................... 33 .
XENON HEADLAMP ............................................ 9 . ADJUSTMENT USING AN ADJUSTMENT
CAN Communication System Description ............... 9 . SCREEN (LIGHT/DARK BORDERLINE) ........... 34 .
LT
CAN Communication Unit ....................................... 9 . Bulb Replacement ................................................. 34 .
Schematic ............................................................. 10
. HEADLAMP HIGH/LOW BEAM ......................... 34 .
Wiring Diagram -- H/LAMP -- ...............................11 . PARKING LAMP (CLEARANCE LAMP) ............. 35 .
Terminals and Reference Values for BCM ............ 15 . FRONT TURN SIGNAL LAMP ........................... 35 . L
Terminals and Reference Values for IPDM E/R .... 16 . FRONT SIDE MARKER LAMP .......................... 35 .
How to Proceed With Trouble Diagnosis ............... 16 . Removal and Installation ....................................... 35 .
Preliminary Check ................................................. 17 . REMOVAL .......................................................... 35 . M
CHECK POWER SUPPLY AND GROUND CIR- INSTALLATION .................................................. 35 .
CUIT ................................................................... 17
. Disassembly and Assembly ................................... 36 .
CONSULT-II Functions (BCM) .............................. 18 . DISASSEMBLY .................................................. 36 .
CONSULT-II BASIC OPERATION ...................... 18 . ASSEMBLY ........................................................ 36 .
WORK SUPPORT .............................................. 19 . HEADLAMP -CONVENTIONAL TYPE- ................... 37 .
DATA MONITOR ................................................ 19 . Component Parts and Harness Connector Location 37 ...
ACTIVE TEST .................................................... 20 . System Description ................................................ 37 .
CONSULT-II Functions (IPDM E/R) ...................... 21 . OUTLINE ............................................................ 37
.
CONSULT-II OPERATION ................................. 21 . HEADLAMP OPERATION .................................. 38 .
SELF-DIAGNOSTIC RESULTS ......................... 22 . COMBINATION SWITCH READING FUNCTION 39 ...
DATA MONITOR ................................................ 22 . EXTERIOR LAMP BATTERY SAVER CONTROL 39 ...
ACTIVE TEST .................................................... 22 . AUTO LIGHT OPERATION ................................ 39 .
Headlamp Does Not Change To High Beam (Both VEHICLE SECURITY SYSTEM ......................... 39 .
Sides) .................................................................... 23
. CAN Communication System Description ............. 39 .
Headlamp Does Not Change To High Beam (One CAN Communication Unit ...................................... 39 .
Side) ...................................................................... 25
. Schematic .............................................................. 40
.

Revision: 2004 November LT-1 2004 Murano
Wiring Diagram -- H/LAMP -- .............................. 41 . Wiring Diagram -- DTRL -- ...................................71 .
Terminals and Reference Values for BCM ............. 45 . Terminals and Reference Values for BCM .............74 .
Terminals and Reference Values for IPDM E/R ..... 46 . Terminals and Reference Values for IPDM E/R .....75 .
How to Proceed With Trouble Diagnosis ............... 46 . How to Proceed With Trouble Diagnosis ...............75 .
Preliminary Check ................................................. 47 . Preliminary Check ..................................................75 .
CHECK POWER SUPPLY AND GROUND CIR- CHECK POWER SUPPLY AND GROUND CIR-
CUIT ................................................................... 47
. CUIT ....................................................................75
.
CONSULT-II Functions (BCM) ............................... 48 . CHECK PARKING BRAKE SWITCH CIRCUIT ...76
CONSULT-II BASIC OPERATION ...................... 48 . CONSULT-II Functions (BCM) ...............................77 .
WORK SUPPORT .............................................. 49 . CONSULT-II BASIC OPERATION ......................77 .
DATA MONITOR ................................................. 49 . WORK SUPPORT ..............................................78 .
ACTIVE TEST .................................................... 50 . DATA MONITOR .................................................78 .
CONSULT-II Functions (IPDM E/R) ....................... 51 . ACTIVE TEST .....................................................79 .
CONSULT-II OPERATION .................................. 51 . CONSULT-II Functions (IPDM E/R) .......................80 .
SELF-DIAGNOSTIC RESULTS .......................... 52 . CONSULT-II OPERATION ..................................80 .
DATA MONITOR ................................................. 52 . SELF-DIAGNOSTIC RESULTS ..........................81 .
ACTIVE TEST .................................................... 53 . DATA MONITOR .................................................81 .
Headlamp High Beam Does Not Illuminate (Both ACTIVE TEST .....................................................82 .
Side) ...................................................................... 53
. Daytime Light Control Does Not Operate Properly...82
Headlamp High Beam Does Not Illuminate (One Front Fog Lamp Does Not Illuminate (One Side) ...84
Side) ...................................................................... 55
. Aiming Adjustment .................................................85 .
High Beam Indicator Lamp Does Not Illuminate .... 57 . Bulb Replacement ..................................................85 .
Headlamp Low Beam Does Not Illuminate (Both Removal and Installation ........................................85 .
Sides) .................................................................... 57
. AUTO LIGHT SYSTEM ............................................86 .
Headlamp Low Beam Does Not Illuminate (One Component Parts and Harness Connector Location ...86
Side) ...................................................................... 59
. System Description ................................................86 .
Headlamp RH Low Beam and High Beam Do Not OUTLINE ............................................................86.
Illuminate ............................................................... 61
. COMBINATION SWITCH READING FUNCTION ...87
Headlamp LH Low Beam and High Beam Do Not EXTERIOR LAMP BATTERY SAVER CONTROL ...87
Illuminate ............................................................... 61
. DELAY TIMER FUNCTION .................................87 .
Headlamps Do Not Turn OFF ................................ 62 . CAN Communication System Description .............87 .
Aiming Adjustment ................................................. 63 . CAN Communication Unit ......................................87 .
PREPARATION BEFORE ADJUSTING ............. 63 . Major Components and Functions .........................88 .
LOW BEAM AND HIGH BEAM .......................... 64 . Schematic ..............................................................89
.
ADJUSTMENT USING AN ADJUSTMENT Wiring Diagram -- AUTO/L -- ...............................90 .
SCREEN (LIGHT/DARK BORDERLINE) ........... 64 . Terminals and Reference Values for BCM .............93 .
Bulb Replacement ................................................. 64 . Terminals and Reference Values for IPDM E/R .....94 .
HEADLAMP HIGH/LOW BEAM ......................... 64 . How to Proceed With Trouble Diagnosis ...............95 .
PARKING LAMP (CLEARANCE LAMP) ............. 64 . Preliminary Check ..................................................95 .
FRONT TURN SIGNAL LAMP ........................... 65 . SETTING CHANGE FUNCTIONS ......................95 .
FRONT SIDE MARKER LAMP ........................... 65 . CHECK POWER SUPPLY AND GROUND CIR-
Removal and Installation ....................................... 65 . CUIT ....................................................................95
.
REMOVAL .......................................................... 65 . CONSULT-II Functions (BCM) ...............................96 .
INSTALLATION ................................................... 65 . CONSULT-II BASIC OPERATION ......................96 .
Disassembly and Assembly ................................... 66 . WORK SUPPORT ..............................................97 .
DISASSEMBLY .................................................. 66 . DATA MONITOR .................................................98 .
ASSEMBLY ........................................................ 66 . ACTIVE TEST .....................................................99 .
DAYTIME LIGHT SYSTEM ...................................... 67 . CONSULT-II Functions (IPDM E/R) .......................99 .
Component Parts and Harness Connector Location 67 ... CONSULT-II OPERATION ..................................99 .
System Description ................................................ 67 . SELF-DIAGNOSTIC RESULTS ........................ 100 .
OUTLINE ............................................................ 67
. DATA MONITOR ............................................... 100 .
FOG LAMP OPERATION ................................... 68 . ACTIVE TEST ................................................... 101 .
DAYTIME LIGHT OPERATION .......................... 68 . Trouble Diagnosis Chart by Symptom ................. 101 .
EXTERIOR LAMP BATTERY SAVER CONTROL 69 ... Lighting Switch Inspection ................................... 102 .
COMBINATION SWITCH READING FUNCTION 69 ... Optical sensor System Inspection ........................ 102 .
AUTO LIGHT OPERATION ................................ 69 . Removal and Installation of Optical Sensor ......... 103 .
CAN Communication System Description ............. 69 . HEADLAMP AIMING CONTROL ........................... 104 .
CAN Communication Unit ...................................... 69 . Wiring Diagram -- H/AIM -- ................................ 104 .
Schematic .............................................................. 70
.

Revision: 2004 November LT-2 2004 Murano
Removal and Installation ..................................... 106 . HAZARD SWITCH ................................................. 136 .
Switch Circuit Inspection (Xenon type) ............... 106 . Removal and Installation ..................................... 136 . A
FRONT FOG LAMP ............................................... 107 . REMOVAL ........................................................ 136 .
Component Parts and Harness Connector Location 107 . INSTALLATION ................................................ 136 .
System Description ............................................. 107 . COMBINATION SWITCH ....................................... 137 . B
OUTLINE .......................................................... 107
. Wiring Diagram -- COMBSW -- ......................... 137 .
FOG LAMP OPERATION ................................. 108 . Combination Switch Reading Function ................ 138 .
COMBINATION SWITCH READING FUNCTION 108 . CONSULT-II Function .......................................... 138 .
EXTERIOR LAMP BATTERY SAVER CONTROL 108 . CONSULT-II BASIC OPERATION .................... 138 . C
CAN Communication System Description ........... 108 . DATA MONITOR .............................................. 139 .
CAN Communication Unit ................................... 108 . Combination Switch Inspection ........................... 140 .
Wiring Diagram -- F/FOG -- .............................. 109 . Removal and Installation ..................................... 142 . D
Terminals and Reference Values for BCM ........... 111 . STOP LAMP ........................................................... 143.
Terminals and Reference Values for IPDM E/R ...112 . Wiring Diagram -- STOP/L -- ............................. 143 .
How to Proceed With Trouble Diagnosis ..............112 . High-Mounted Stop Lamp .................................... 144 . E
Preliminary Check ................................................112 . BULB REPLACEMENT, REMOVAL AND
CHECK POWER SUPPLY AND GROUND CIR- INSTALLATION ................................................ 144 .
CUIT ..................................................................112
. Stop Lamp ........................................................... 144
.
CONSULT-II Functions .........................................113 . BULB REPLACEMENT .................................... 144 . F
Front Fog Lamps Do Not Illuminate (Both Sides)..114 REMOVAL AND INSTALLATION ..................... 144 .
Front Fog Lamp Does Not Illuminate (One Side) ..116 STEP LAMP ........................................................... 145.
Aiming Adjustment ...............................................117 . Bulb Replacement ............................................... 145 . G
Bulb Replacement ................................................118 . Removal and Installation ..................................... 145 .
Removal and Installation ......................................118 . REMOVAL ........................................................ 145 .
REMOVAL .........................................................118 . INSTALLATION ................................................ 145 . H
INSTALLATION .................................................118 . BACK-UP LAMP .................................................... 146 .
TURN SIGNAL AND HAZARD WARNING LAMPS ..119 Wiring Diagram -- BACK/L -- ............................. 146 .
Component Parts and Harness Connector Location ..119 Bulb Replacement ............................................... 147 .
I
System Description ..............................................119 . Removal and Installation ..................................... 147 .
TURN SIGNAL OPERATION ............................119 . REMOVAL ........................................................ 147 .
HAZARD LAMP OPERATION .......................... 120 . INSTALLATION ................................................ 147 .
REMOTE CONTROL ENTRY SYSTEM OPER- PARKING, LICENSE PLATE AND TAIL LAMPS .. 148 . J
ATION .............................................................. 121
. Component Parts and Harness Connector Location 148 .
COMBINATION SWITCH READING FUNCTION 121 . System Description .............................................. 148 .
CAN Communication System Description ........... 121 . OPERATION BY LIGHTING SWITCH .............. 149 . LT
CAN Communication Unit ................................... 121 . COMBINATION SWITCH READING FUNCTION 149 .
Schematic ........................................................... 122
. EXTERIOR LAMP BATTERY SAVER CONTROL 149 .
Wiring Diagram -- TURN -- ............................... 123 . CAN Communication System Description ........... 149 . L
Terminals and Reference Value for BCM ............ 126 . CAN Communication Unit .................................... 150 .
How to Proceed With Trouble Diagnosis ............. 127 . Schematic ............................................................ 151
.
Preliminary Check ............................................... 128 . Wiring Diagram -- TAIL/L -- ............................... 152 .
CHECK POWER SUPPLY AND GROUND CIR- Terminals and Reference Values for BCM ........... 156 . M
CUIT ................................................................. 128
. Terminals and Reference Values for IPDM E/R ... 157 .
CONSULT-II Functions ........................................ 129 . How to Proceed With Trouble Diagnosis ............. 157 .
CONSULT-II BASIC OPERATION .................... 129 . Preliminary Check ............................................... 158 .
DATA MONITOR .............................................. 130 . CHECK POWER SUPPLY AND GROUND CIR-
ACTIVE TEST .................................................. 130 . CUIT ................................................................. 158
.
Turn Signal Lamp Does Not Operate .................. 131 . CONSULT-II Functions ........................................ 159 .
Hazard Warning Lamp Does Not Operate But Turn Parking, License Plate and Tail Lamps Do Not Illu-
Signal Lamp Operate .......................................... 132 . minate .................................................................. 159
.
Turn Signal Indicator Lamp Does Not Operate ... 133 . Parking, License Plate and Tail Lamps Do Not Turn
Bulb Replacement (Front Turn Signal Lamp) ...... 134 . OFF (After Approx. 10 Minutes) .......................... 163 .
Bulb Replacement (Rear Turn Signal Lamp) ...... 134 . Bulb Replacement ............................................... 164 .
Removal and Installation of Front Turn Signal Lamp 134 . LICENSE PLATE LAMP ................................... 164 .
Removal and Installation of Rear Turn Signal Lamp 134 . PARKING LAMP (CLEARANCE LAMP) ........... 164 .
LIGHTING AND TURN SIGNAL SWITCH ............. 135 . TAIL LAMP ....................................................... 164 .
Removal and Installation ..................................... 135 . FRONT SIDE MARKER LAMP ........................ 164 .
REMOVAL ........................................................ 135 .
INSTALLATION ................................................ 135 .

Revision: 2004 November LT-3 2004 Murano
REAR SIDE MARKER LAMP ........................... 164 . CONSULT-II BASIC OPERATION .................... 183 .
Removal and Installation ..................................... 164 . WORK SUPPORT ............................................ 184 .
LICENSE PLATE LAMP ................................... 164 . DATA MONITOR ............................................... 184 .
PARKING LAMP (CLEARANCE LAMP) ........... 164 . ACTIVE TEST ................................................... 185.
TAIL LAMP ....................................................... 164
. Room Lamp Does Not Illuminate ......................... 185 .
FRONT SIDE MARKER LAMP ......................... 164 . Personal Lamp Does Not Illuminate .................... 187 .
REAR SIDE MARKER LAMP ........................... 164 . Ignition Key Hole Illumination Does Not Illuminate.189
REAR COMBINATION LAMP ................................ 165 . Step Lamp Does Not Illuminate ........................... 190 .
Bulb Replacement ............................................... 165 . All Interior Room Lamp Does Not Operate .......... 192 .
STOP & TAIL LAMP BULB, REAR SIDE MARKER Bulb Replacement ................................................ 192.
LAMP BULB, REAR TURN SIGNAL LAMP BULB 165 . ROOM LAMP .................................................... 192 .
Removal and Installation ..................................... 165 . MAP LAMP ....................................................... 192
.
REMOVAL ........................................................ 165
. PERSONAL LAMP ............................................ 192 .
INSTALLATION ................................................. 165 . STEP LAMP ...................................................... 192
.
VANITY MIRROR LAMP ........................................ 166 . LUGGAGE ROOM LAMP ................................. 192 .
Bulb Replacement ............................................... 166 . Removal and Installation ...................................... 193 .
MAP LAMP ............................................................. 167
. ROOM LAMP .................................................... 193 .
Bulb Replacement ............................................... 167 . MAP LAMP ....................................................... 193
.
Removal and Installation ..................................... 167 . PERSONAL LAMP ............................................ 193 .
REMOVAL ........................................................ 167
. STEP LAMP ...................................................... 193
.
INSTALLATION ................................................. 167 . LUGGAGE ROOM LAMP ................................. 193 .
PERSONAL LAMP ................................................. 168 . IGNITION KEY HOLE ILLUMINATION ............. 193 .
Bulb Replacement, Removal and Installation ...... 168 . ILLUMINATION ....................................................... 194
.
LUGGAGE ROOM LAMP ...................................... 169 . System Description .............................................. 194.
Bulb Replacement, Removal and Installation ...... 169 . ILLUMINATION OPERATION BY LIGHTING
INTERIOR ROOM LAMP ....................................... 170 . SWITCH ............................................................ 194
.
Component Parts and Harness Connector Location 170 . EXTERIOR LAMP BATTERY SAVER CONTROL .195
System Description .............................................. 170. CAN Communication System Description ........... 195 .
POWER SUPPLY AND GROUND .................... 170 . CAN Communication Unit .................................... 195 .
SWITCH OPERATION ..................................... 171 . Schematic ............................................................ 196
.
ROOM LAMP TIMER OPERATION .................. 172 . Wiring Diagram -- ILL -- ..................................... 197 .
INTERIOR LAMP BATTERY SAVER CONTROL 173 . Removal and Installation ...................................... 203 .
Schematic ............................................................ 174
. ILLUMINATION CONTROL SWITCH ............... 203 .
Wiring Diagram -- ROOM/L -- ............................ 175 . CONSOLE POCKET LAMP .............................. 203 .
Terminals and Reference Values for BCM ........... 181 . GLOVE BOX LAMP .......................................... 203 .
How to Proceed With Trouble Diagnosis ............. 181 . COIN BOX ILLUMINATION .............................. 203 .
Preliminary Check ............................................... 182. BULB SPECIFICATIONS ....................................... 204 .
CHECK FOR POWER SUPPLY AND GROUND Headlamp ............................................................. 204
.
CIRCUIT ........................................................... 182
. Exterior Lamp ....................................................... 204
.
CONSULT-II Functions ........................................ 183 . Interior Lamp/Illumination ..................................... 204 .

Revision: 2004 November LT-4 2004 Murano
PRECAUTIONS

PRECAUTIONS PFP:00011
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" AKS004I3

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front C
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING: D
q To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer. E
q Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section. F
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
G
General Precautions For Service Operations AKS004I5

q Never work with wet hands.
H
q Xenon headlamp includes high voltage generating part. Be sure
to disconnect battery negative cable (negative terminal) or
power fuse before removing, installing, or touching the xenon
headlamp (including lamp bulb). I
q Turn the lighting switch OFF before disconnecting and connect-
ing the connector.
q When turning the xenon headlamp on and while it is illuminated, J
never touch the harness, bulb, and socket of the headlamp.
q When checking the headlamp on/off operation, check it on vehi- PKIA0183E
cle and with the power connected to the vehicle-side connector. LT
q Do not touch the headlamp bulb glass surface with bare hands or allow oil or grease to get on it. Do not
touch the headlamp bulb just after the headlamp is turned off, because it is very hot.
q Install the xenon headlamp bulb socket correctly. If it is installed L
improperly, high-voltage leak or corona discharge may occur
that can melt the bulb, connector, and housing. Do not illuminate
the xenon headlamp bulb out of the headlamp housing. Doing M
so can cause fire and harm your eyes.
q When the bulb has burned out, wrap it in a thick vinyl bag and
discard. Do not break the bulb.
q Leaving the bulb removed from the headlamp housing for a long
period of time can deteriorate the performance of the lens and
reflector (dirt, clouding). Always prepare a new bulb and have it
on hand when replacing the bulb. EL-3422D

q When adjusting the headlamp aiming, turn the aiming adjust-
ment screw only in the tightening direction. (If it is necessary to loosen the screw, first fully loosen the
screw, and then turn it in the tightening direction.)
q Do not use organic solvent (paint thinner or gasoline) to clean lamps and to remove old sealant.

Revision: 2004 November LT-5 2004 Murano
PRECAUTIONS

Wiring Diagrams and Trouble Diagnosis AKS004I6

When you read wiring diagrams, refer to the following:
q Refer to GI-14, "How to Read Wiring Diagrams" in GI section.
q Refer to PG-3, "POWER SUPPLY ROUTING CIRCUIT" for power distribution in PG section.
When you perform trouble diagnosis, refer to the following:
q Refer to GI-10, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES" in GI section.
q Refer to GI-26, "How to Perform Efficient Diagnosis for an Electrical Incident" in GI section.

Revision: 2004 November LT-6 2004 Murano
HEADLAMP - XENON TYPE -

HEADLAMP - XENON TYPE - PFP:26010
A
Component Parts and Harness Connector Location AKS007KW

PKIA6322E
LT
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 L
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 (intelligent power distribution module engine room) controls the headlamp
M
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
q to headlamp high relay [located in IPDM E/R (intelligent power distribution module engine room)]
q to headlamp low relay [located in IPDM E/R (intelligent power distribution module engine room)]
q through 50A fusible link (letter F, located in fuse and fusible link block)
q to BCM (body control module) terminal 55
q through 10A fuse [No. 18, located in fuse block (J/B)]
q to BCM (body control module) terminal 42
q through 15A fuse [No. 78, located in IPDM E/R (intelligent power distribution module engine room)]
q to CPU (central processing unit) [located in IPDM E/R (intelligent power distribution module engine room)]
q through 10A fuse [No. 71, located in IPDM E/R (intelligent power distribution module engine room)]

Revision: 2004 November LT-7 2004 Murano
HEADLAMP - XENON TYPE -

q to CPU (central processing unit) [located in IPDM E/R (intelligent power distribution module engine room)]
q through 10A fuse [No. 21, located in the fuse block (J/B)]
q to combination meter terminal 21.
With the ignition switch in the ON or START position, power is supplied
q to ignition relay, located in the IPDM E/R (intelligent power distribution module engine room)
q through 10A fuse [No. 1, located in fuse block (J/B)]
q to BCM (body control module) terminal 38
q through 10A fuse [No. 14 located in fuse block (J/B)]
q to combination meter terminal 20.
With the ignition switch in the ACC or ON position, power is supplied
q through 10A fuse [No. 6, located in fuse block (J/B)]
q to BCM (body control module) terminal 11.
Ground is supplied
q to BCM (body control module) terminals 49 and 52
q through grounds M14 and M78
q to IPDM E/R (intelligent power distribution module engine room) terminals 38 and 60
q through grounds E13, E26 and E28.
q to combination meter terminals 22, 23 and 24
q through grounds M14 and M78.
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 across the CAN communication lines. The CPU in the
IPDM E/R controls the headlamp low relay coil, which when energized, directs power
q to 15A fuse [No. 76, located in IPDM E/R]
q through IPDM E/R terminal 20
q to headlamp RH terminal 4
q to 15A fuse [No. 86, located in IPDM E/R]
q through IPDM E/R terminal 30
q to headlamp LH terminal 4.
Ground is supplied
q to headlamp RH terminal 5
q through grounds E13, E26 and E28
q to headlamp LH terminal 5
q 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
q to 10A fuse [No. 72, located in the IPDM E/R]
q through IPDM E/R terminal 27
q to headlamp RH terminal 1
q to 10A fuse [No. 74, located in the IPDM E/R]
q through IPDM E/R terminal 28
q to headlamp LH terminal 1.
Ground is supplied
q to headlamp RH terminal 5

Revision: 2004 November LT-8 2004 Murano
HEADLAMP - XENON TYPE -

q through grounds E13, E26 and E28
q to headlamp LH terminal 5 A
q 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 B
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. C
COMBINATION SWITCH READING FUNCTION
Refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
D
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. E
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 F
Refer to LT-86, "System Description" in "AUTO LIGHT SYSTEM".
VEHICLE SECURITY SYSTEM
The vehicle security system will flash the high beams if the system is triggered. Refer to BL-98, "VEHICLE G
SECURITY (THEFT WARNING) SYSTEM" .
XENON HEADLAMP H
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. I
Following are some of the many advantages of the xenon type headlamp.
q The light produced by the headlamps is a white color comparable to sunlight that is easy on the eyes.
q Light output is nearly double that of halogen headlamps, affording increased area of illumination. J
q 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. LT
q Power consumption is approximately 25 percent less than halogen headlamps, reducing battery load.
CAN Communication System Description AKS007KY
L
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 M
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 AKS007QL

Refer to LAN-8, "CAN Communication Unit" .

Revision: 2004 November LT-9 2004 Murano
HEADLAMP - XENON TYPE -

Schematic AKS007L0

TKWA1674E

Revision: 2004 November LT-10 2004 Murano
HEADLAMP - XENON TYPE -

Wiring Diagram -- H/LAMP -- AKS007L1

TKWA1675E

Revision: 2004 November LT-11 2004 Murano
HEADLAMP - XENON TYPE -

TKWA1676E

Revision: 2004 November LT-12 2004 Murano
HEADLAMP - XENON TYPE -

TKWA0740E

Revision: 2004 November LT-13 2004 Murano
HEADLAMP - XENON TYPE -

TKWA0741E

Revision: 2004 November LT-14 2004 Murano
HEADLAMP - XENON TYPE -

Terminals and Reference Values for BCM AKS00AJQ

A
Measuring condition
Terminal Wire
Signal name Ignition Reference value
No. color Operation or condition
switch B

C
Lighting, turn, wiper OFF
2 R Combination switch input 5 ON
Wiper dial position 4

D
SKIA5291E

E
Lighting, turn, wiper OFF
3 P/L Combination switch input 4 ON
Wiper dial position 4
F
SKIA5292E

Lighting, turn, wiper OFF
4 R/G Combination switch input 3 ON
Wiper dial position 4
H

SKIA5291E

5 R/B Combination switch input 2 I

Lighting, turn, wiper OFF
ON J
6 R/W Combination switch input 1 Wiper dial position 4

SKIA5292E
LT
11 P/B Ignition switch (ACC) ACC -- Battery voltage

L
Lighting, turn, wiper OFF
32 LG/B Combination switch output 5 ON
Wiper dial position 4
M
SKIA5291E

Lighting, turn, wiper OFF
33 G/Y Combination switch output 4 ON
Wiper dial position 4

SKIA5292E

Lighting, turn, wiper OFF
34 LG/R Combination switch output 3 ON
Wiper dial position 4

SKIA5291E

Revision: 2004 November LT-15 2004 Murano
HEADLAMP - XENON TYPE -

Measuring condition
Terminal Wire
Signal name Ignition Reference value
No. color Operation or condition
switch
35 G/B Combination switch output 2

Lighting, turn, wiper OFF
ON
36 L/W Combination switch output 1 Wiper dial position 4

SKIA5292E

38 R Ignition switch (ON) ON -- Battery voltage
39 L CAN- H -- -- --
40 Y CAN- L -- -- --
42 GR Battery power supply OFF -- Battery voltage
49 B Ground ON -- Approx. 0V
52 B Ground ON -- Approx. 0V
55 W/B Battery power supply OFF -- Battery voltage

Terminals and Reference Values for IPDM E/R AKS00AJR

Measuring condition
Terminal Wire
Signal name Ignition Reference value
No. color Operation or condition
switch

Lighting switch 2ND OFF Approx. 0V
20 R/Y Headlamp low (RH) ON
position ON Battery voltage

Lighting switch HIGH OFF Approx. 0V
27 L/W Headlamp high (RH) ON
or PASS position ON Battery voltage

Lighting switch HIGH OFF Approx. 0V
28 G Headlamp high (LH) ON
or PASS position ON Battery voltage

Lighting switch 2ND OFF Approx. 0V
30 L Headlamp low (LH) ON
position ON Battery voltage
38 B Ground ON -- Approx. 0V
48 L CAN- H --

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