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LIGHTING SYSTEM

K ELECTRICAL

B
SECTION
LIGHTING SYSTEM C

E
CONTENTS
PRECAUTIONS ......................................................... 5 . Headlamps Do Not Illuminate (Both Sides) ........... 25 . F
Precautions for Supplemental Restraint System Headlamp Does Not Illuminate (One Side) ........... 28 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Headlamps Do Not Turn OFF ................................ 30 .
SIONER" ................................................................. 5
. General Information for Xenon Headlamp Trouble G
General Precautions for Service Operations ........... 5 . Diagnosis ............................................................... 31
.
HEADLAMP - XENON TYPE - .................................. 6 . Caution: ................................................................. 31
.
Component Parts and Harness Connector Location 6 ..... Xenon Headlamp Trouble Diagnosis ..................... 31 .
H
System Description ................................................. 6 . Aiming Adjustment ................................................. 32 .
OUTLINE .............................................................. 6
. PREPARATION BEFORE ADJUSTING ............. 32 .
LOW BEAM OPERATION .................................... 7 . LOW BEAM AND HIGH BEAM .......................... 32 .
HIGH BEAM OPERATION ................................... 7 . ADJUSTMENT USING AN ADJUSTMENT I
FLASH-TO-PASS OPERATION ........................... 8 . SCREEN (LIGHT/DARK BORDERLINE) ........... 33 .
COMBINATION SWITCH READING FUNCTION 8 ..... Bulb Replacement ................................................. 34 .
EXTERIOR LAMP BATTERY SAVER CONTROL 8 ..... HEADLAMP HIGH/LOW BEAM ......................... 34 . J
AUTO LIGHT OPERATION .................................. 8 . PARKING LAMP ................................................. 34 .
VEHICLE SECURITY SYSTEM ........................... 8 . FRONT TURN SIGNAL LAMP ........................... 34 .
XENON HEADLAMP ............................................ 9 . FRONT SIDE MARKER LAMP .......................... 34 .
LT
CAN Communication System Description ............... 9 . Removal and Installation ....................................... 35 .
CAN Communication Unit ....................................... 9 . REMOVAL .......................................................... 35.
Schematic ............................................................. 10
. INSTALLATION .................................................. 35 .
Wiring Diagram -- H/LAMP -- ...............................11 . Disassembly and Assembly ................................... 36 . L
Terminals and Reference Values for BCM ............ 15 . DISASSEMBLY .................................................. 36 .
Terminals and Reference Values for IPDM E/R .... 17 . ASSEMBLY ........................................................ 36 .
How to Proceed With Trouble Diagnosis ............... 17 . HEADLAMP -CONVENTIONAL TYPE- ................... 37 . M
Preliminary Check ................................................. 17 . Component Parts and Harness Connector Location 37 ...
CHECK POWER SUPPLY AND GROUND CIR- System Description ................................................ 37 .
CUIT ................................................................... 17
. OUTLINE ............................................................ 37
.
CONSULT-II Functions (BCM) .............................. 19 . LOW BEAM OPERATION .................................. 38 .
CONSULT-II BASIC OPERATION ...................... 19 . HIGH BEAM OPERATION ................................. 38 .
WORK SUPPORT .............................................. 19 . FLASH-TO-PASS OPERATION ......................... 39 .
DATA MONITOR ................................................ 19 . COMBINATION SWITCH READING FUNCTION 39 ...
ACTIVE TEST .................................................... 20 . EXTERIOR LAMP BATTERY SAVER CONTROL 39 ...
CONSULT-II Functions (IPDM E/R) ...................... 21 . AUTO LIGHT OPERATION ................................ 39 .
CONSULT-II BASIC OPERATION ...................... 21 . VEHICLE SECURITY SYSTEM ......................... 39 .
DATA MONITOR ................................................ 21 . CAN Communication System Description ............. 39 .
ACTIVE TEST .................................................... 22 . CAN Communication Unit ...................................... 39 .
Headlamps Do Not Change To High Beam (Both Schematic .............................................................. 40
.
Sides) .................................................................... 22
. Wiring Diagram -- H/LAMP -- .............................. 41 .
Headlamp Does Not Change To High Beam (One Terminals and Reference Values for BCM ............. 45 .
Side) ...................................................................... 24
. Terminals and Reference Values for IPDM E/R ..... 47 .

Revision: 2006 July LT-1 2007 Murano
How to Proceed With Trouble Diagnosis ............... 47 . CUIT ....................................................................76
.
Preliminary Check ................................................. 47 . CHECK PARKING BRAKE SWITCH CIRCUIT ...77
CHECK POWER SUPPLY AND GROUND CIR- CONSULT-II Functions (BCM) ...............................78 .
CUIT ................................................................... 47
. CONSULT-II BASIC OPERATION ......................78 .
CONSULT-II Functions (BCM) ............................... 49 . WORK SUPPORT ..............................................78 .
CONSULT-II BASIC OPERATION ...................... 49 . DATA MONITOR .................................................78 .
WORK SUPPORT .............................................. 49 . ACTIVE TEST .....................................................79 .
DATA MONITOR ................................................. 49 . CONSULT-II Functions (IPDM E/R) .......................80 .
ACTIVE TEST .................................................... 50 . CONSULT-II BASIC OPERATION ......................80 .
CONSULT-II Functions (IPDM E/R) ....................... 51 . DATA MONITOR .................................................80 .
CONSULT-II BASIC OPERATION ...................... 51 . ACTIVE TEST .....................................................81 .
DATA MONITOR ................................................. 51 . Daytime Light Control Does Not Operate Properly...81
ACTIVE TEST .................................................... 52 . AUTO LIGHT SYSTEM ............................................84 .
Headlamp High Beams Do Not Illuminate (Both Component Parts and Harness Connector Location ...84
Side) ...................................................................... 52
. System Description ................................................84 .
Headlamp High Beam Does Not Illuminate (One OUTLINE ............................................................85.
Side) ...................................................................... 54
. COMBINATION SWITCH READING FUNCTION ...85
Headlamp Low Beams Do Not Illuminate (Both DELAY TIMER FUNCTION .................................85 .
Sides) .................................................................... 56
. CAN Communication System Description .............85 .
Headlamp Low Beam Does Not Illuminate (One CAN Communication Unit ......................................85 .
Side) ...................................................................... 58
. Schematic ..............................................................86
.
Headlamp RH Low Beam and High Beam Do Not Wiring Diagram -- AUTO/L -- ...............................87 .
Illuminate ............................................................... 59
. Terminals and Reference Values for BCM .............90 .
Headlamp LH Low Beam and High Beam Do Not Terminals and Reference Values for IPDM E/R .....91 .
Illuminate ............................................................... 60
. How to Proceed with Trouble Diagnosis ................91 .
Headlamps Do Not Turn OFF ................................ 61 . Preliminary Check ..................................................92 .
Aiming Adjustment ................................................. 62 . SETTING CHANGE FUNCTIONS ......................92 .
PREPARATION BEFORE ADJUSTING ............. 62 . CHECK POWER SUPPLY AND GROUND CIR-
LOW BEAM AND HIGH BEAM .......................... 62 . CUIT ....................................................................92
.
ADJUSTMENT USING AN ADJUSTMENT CONSULT-II Functions (BCM) ...............................93 .
SCREEN (LIGHT/DARK BORDERLINE) ........... 63 . CONSULT-II BASIC OPERATION ......................93 .
Bulb Replacement ................................................. 63 . WORK SUPPORT ..............................................93 .
HEADLAMP HIGH/LOW BEAM ......................... 63 . DATA MONITOR .................................................94 .
PARKING LAMP ................................................. 64 . ACTIVE TEST .....................................................95 .
FRONT TURN SIGNAL LAMP ........................... 64 . CONSULT-II Functions (IPDM E/R) .......................95 .
FRONT SIDE MARKER LAMP ........................... 64 . CONSULT-II BASIC OPERATION ......................95 .
Removal and Installation ....................................... 64 . DATA MONITOR .................................................95 .
REMOVAL .......................................................... 64 . ACTIVE TEST .....................................................96 .
INSTALLATION ................................................... 64 . Symptom Chart ......................................................96 .
Disassembly and Assembly ................................... 65 . Lighting Switch Inspection .....................................97 .
DISASSEMBLY .................................................. 65 . Optical Sensor System Inspection .........................97 .
ASSEMBLY ........................................................ 65 . Removal and Installation of Optical Sensor ......... 100 .
DAYTIME LIGHT SYSTEM ...................................... 66 . REMOVAL ......................................................... 100 .
Component Parts and Harness Connector Location 66 ... INSTALLATION ................................................. 100 .
System Description ................................................ 66 . HEADLAMP AIMING CONTROL ........................... 101 .
OUTLINE ............................................................ 66
. Wiring Diagram -- H/AIM -- ................................ 101 .
DAYTIME LIGHT OPERATION .......................... 67 . Removal and Installation ...................................... 103 .
COMBINATION SWITCH READING FUNCTION 67 ... REMOVAL ......................................................... 103 .
EXTERIOR LAMP BATTERY SAVER CONTROL 67 ... INSTALLATION ................................................. 103 .
AUTO LIGHT OPERATION ................................ 68 . Switch Circuit Inspection (Xenon type) ................ 103 .
CAN Communication System Description ............. 68 . FRONT FOG LAMP ................................................ 104 .
CAN Communication Unit ...................................... 68 . Component Parts and Harness Connector Location .104
Schematic .............................................................. 69
. System Description .............................................. 104 .
Wiring Diagram -- DTRL -- .................................. 70 . OUTLINE .......................................................... 104.
Terminals and Reference Values for BCM ............. 73 . FRONT FOG LAMP OPERATION .................... 105 .
Terminals and Reference Values for IPDM E/R ..... 75 . COMBINATION SWITCH READING FUNCTION .105
How to Proceed with Trouble Diagnosis ................ 75 . EXTERIOR LAMP BATTERY SAVER CONTROL .105
Preliminary Check ................................................. 76 . CAN Communication System Description ........... 105 .
CHECK POWER SUPPLY AND GROUND CIR- CAN Communication Unit .................................... 105 .

Revision: 2006 July LT-2 2007 Murano
Wiring Diagram -- F/FOG -- .............................. 106 . LIGHTING AND TURN SIGNAL SWITCH ............. 144 .
Terminals and Reference Values for BCM .......... 108 . Removal and Installation ..................................... 144 . A
Terminals and Reference Values for IPDM E/R .. 109 . REMOVAL ........................................................ 144
.
How to Proceed with Trouble Diagnosis ............. 109 . INSTALLATION ................................................ 144 .
Preliminary Check ............................................... 109 . HAZARD SWITCH ................................................. 145 . B
CHECK POWER SUPPLY AND GROUND CIR- Removal and Installation ..................................... 145 .
CUIT ................................................................. 109
. REMOVAL ........................................................ 145
.
CONSULT-II Functions (BCM) .............................110 . INSTALLATION ................................................ 145 .
CONSULT-II Functions (IPDM E/R) .....................110 . COMBINATION SWITCH ....................................... 146 . C
Front Fog Lamps Do Not Illuminate (Both Sides).. 111 Wiring Diagram -- COMBSW -- ......................... 146 .
Front Fog Lamp Does Not Illuminate (One Side) ..113 Combination Switch Reading Function ................ 147 .
Aiming Adjustment ...............................................115 . Terminals and Reference Values for BCM ........... 147 . D
Bulb Replacement ................................................116 . CONSULT-II Functions (BCM) ............................. 152 .
Removal and Installation ......................................116 . CONSULT-II BASIC OPERATION .................... 152 .
REMOVAL .........................................................116 . DATA MONITOR .............................................. 152 . E
INSTALLATION .................................................116 . Combination Switch Inspection ........................... 153 .
TURN SIGNAL AND HAZARD WARNING LAMPS ..117 Removal and Installation ..................................... 155 .
Component Parts and Harness Connector Location ..117 STOP LAMP ........................................................... 156
.
System Description ..............................................117 . Component Parts and Harness Connector Location 156 . F
OUTLINE ...........................................................117
. System Description .............................................. 156.
TURN SIGNAL OPERATION ............................118 . OUTLINE .......................................................... 156
.
HAZARD LAMP OPERATION ...........................119 . STOP LAMP OPERATION ............................... 156 . G
INTERLOCKED HAZARD LAMP OPERATION Schematic ............................................................ 158
.
WITH REMOTE KEYLESS ENTRY SYSTEM . 120 Wiring Diagram -- STOP/L -- ............................. 159 .
INTERLOCKED HAZARD LAMP OPERATION Terminals and Reference Value for Rear Combina- H
WITH INTELLIGENT KEY SYSTEM ................ 120 . tion Lamp Control Unit ......................................... 162 .
COMBINATION SWITCH READING FUNCTION 120 . How to Proceed with Trouble Diagnosis .............. 162 .
CAN Communication System Description ........... 120 . Stop Lamp of Rear Combination Lamp Does Not
I
CAN Communication Unit ................................... 120 . Operate But High-Mounted Stop Lamp Operate . 162
Schematic ........................................................... 121
. High-Mounted Stop Lamp .................................... 163 .
Wiring Diagram -- TURN -- ............................... 122 . BULB REPLACEMENT, REMOVAL AND
Terminals and Reference Value for BCM ............ 125 . INSTALLATION ................................................ 163 . J
Terminals and Reference Value for Rear Combina- Stop Lamp ........................................................... 163
.
tion Lamp Control Unit ........................................ 126 . BULB REPLACEMENT .................................... 163 .
How to Proceed with Trouble Diagnosis ............. 129 . REMOVAL AND INSTALLATION ..................... 163 . LT
Preliminary Check ............................................... 130 . BACK-UP LAMP .................................................... 164 .
CHECK POWER SUPPLY AND GROUND CIR- Wiring Diagram -- BACK/L -- ............................. 164 .
CUIT ................................................................. 130
. Bulb Replacement ............................................... 165 . L
CONSULT-II Functions (BCM) ............................ 131 . Removal and Installation ..................................... 165 .
CONSULT-II BASIC OPERATION .................... 131 . REMOVAL ........................................................ 165
.
DATA MONITOR .............................................. 131 . INSTALLATION ................................................ 165 .
ACTIVE TEST .................................................. 131 . PARKING, LICENSE PLATE AND TAIL LAMPS .. 166 . M
Turn Signal Lamps Do Not Operate .................... 132 . Component Parts and Harness Connector Location 166 .
Turn Signal Lamps Go ON, But Flash at High Speed System Description .............................................. 166.
(Both Sides) ........................................................ 135
. OUTLINE .......................................................... 166
.
Turn Signal Lamps Go ON, But Flash at High Speed PARKING, LICENSE PLATE, SIDE MARKER
(One Side) ........................................................... 137
. AND TAIL LAMPS OPERATION ...................... 167 .
Hazard Warning Lamps Do Not Operate But Turn COMBINATION SWITCH READING FUNCTION 168 .
Signal Lamps Operate ........................................ 140 . EXTERIOR LAMP BATTERY SAVER CONTROL 168 .
Any Function of Rear Combination Lamps Does Not CAN Communication System Description ........... 168 .
Work (Both sides) ................................................ 142 . CAN Communication Unit .................................... 168 .
Any Function of Rear Combination Lamps Does Not Schematic ............................................................ 169
.
Work (One side) .................................................. 143 . Wiring Diagram -- TAIL/L -- ............................... 170 .
Bulb Replacement ............................................... 143 . Terminals and Reference Values for BCM ........... 175 .
FRONT TURN SIGNAL LAMP ......................... 143 . Terminals and Reference Values for IPDM E/R ... 176 .
REAR TURN SIGNAL LAMP ........................... 143 . Terminals and Reference Value for Rear Combina-
Removal and Installation ..................................... 143 . tion Lamp Control Unit ......................................... 176 .
FRONT TURN SIGNAL LAMP ......................... 143 . How to Proceed with Trouble Diagnosis .............. 176 .
REAR TURN SIGNAL LAMP ........................... 143 . Preliminary Check ............................................... 176.

Revision: 2006 July LT-3 2007 Murano
CHECK POWER SUPPLY AND GROUND CIR- CONSULT-II Functions (BCM) ............................. 210 .
CUIT ................................................................. 176
. CONSULT-II BASIC OPERATION .................... 210 .
CONSULT-II Functions (BCM) ............................. 177 . WORK SUPPORT (INT LAMP) ........................ 210 .
CONSULT-II Functions (IPDM E/R) ..................... 177 . DATA MONITOR (INT LAMP) ........................... 210 .
Parking, License Plate, Side Marker and Tail Lamps ACTIVE TEST (INT LAMP) ............................... 211 .
Do Not Illuminate ................................................. 178. WORK SUPPORT (BATTERY SAVER) ............ 212 .
Tail Lamp Does Not Operate But Parking, License DATA MONITOR (BATTERY SAVER) .............. 212 .
Plate and Side Marker Lamps Operate ............... 182 . ACTIVE TEST (BATTERY SAVER) .................. 213 .
Parking, License Plate and Tail Lamps Do Not Turn Room Lamp Does Not Illuminate ......................... 214 .
OFF (After Approx. 10 Minutes) .......................... 182 . Personal Lamp Does Not Illuminate .................... 215 .
Bulb Replacement ............................................... 183 . Ignition Key Hole Illumination Does Not Illuminate.217
LICENSE PLATE LAMP ................................... 183 . Step Lamp Does Not Illuminate ........................... 219 .
PARKING LAMP ............................................... 183 . All Interior Room Lamp Does Not Operate .......... 220 .
TAIL LAMP ....................................................... 183. Bulb Replacement ................................................ 220.
FRONT SIDE MARKER LAMP ......................... 183 . MAP LAMP ....................................................... 220
.
REAR SIDE MARKER LAMP ........................... 183 . PERSONAL LAMP ............................................ 220 .
Removal and Installation ..................................... 183 . ROOM LAMP .................................................... 221 .
LICENSE PLATE LAMP ................................... 183 . STEP LAMP ...................................................... 221
.
PARKING LAMP ............................................... 183 . LUGGAGE ROOM LAMP ................................. 222 .
TAIL LAMP ....................................................... 183. VANITY MIRROR LAMP ................................... 222 .
FRONT SIDE MARKER LAMP ......................... 183 . IGNITION KEY HOLE ILLUMINATION ............. 222 .
REAR SIDE MARKER LAMP ........................... 183 . Removal and Installation ...................................... 223 .
REAR COMBINATION LAMP ................................ 184 . MAP LAMP ....................................................... 223
.
Bulb Replacement ............................................... 184 . PERSONAL LAMP ............................................ 223 .
STOP, TAIL & REAR TURN SIGNAL LAMP BULB, ROOM LAMP .................................................... 223 .
REAR SIDE MARKER LAMP BULB ................. 184 . STEP LAMP ...................................................... 224
.
Removal and Installation ..................................... 184 . LUGGAGE ROOM LAMP ................................. 224 .
REAR COMBINATION LAMP ........................... 184 . ILLUMINATION ....................................................... 225
.
REAR COMBINATION LAMP CONTROL UNIT. 184 System Description .............................................. 225.
INTERIOR ROOM LAMP ....................................... 185 . OUTLINE .......................................................... 225
.
Component Parts and Harness Connector Location 185 . ILLUMINATION LAMP OPERATION ................ 225 .
System Description .............................................. 185 . EXTERIOR LAMP BATTERY SAVER CONTROL .226
POWER SUPPLY AND GROUND .................... 186 . CAN Communication System Description ........... 226 .
SWITCH OPERATION ..................................... 187 . CAN Communication Unit .................................... 226 .
ROOM LAMP TIMER OPERATION .................. 188 . Schematic ............................................................ 227
.
INTERIOR LAMP BATTERY SAVER CONTROL 189 . Wiring Diagram -- ILL -- ..................................... 228 .
Schematic ............................................................ 191
. Removal and Installation ...................................... 234 .
Wiring Diagram -- ROOM/L -- ............................ 193 . ILLUMINATION CONTROL SWITCH ............... 234 .
WITH INTELLIGENT KEY ................................ 193 . CONSOLE POCKET LAMP .............................. 234 .
WITHOUT INTELLIGENT KEY ........................ 200 . GLOVE BOX LAMP .......................................... 234 .
Terminals and Reference Values for BCM ........... 207 . COIN BOX ILLUMINATION .............................. 234 .
How to Proceed with Trouble Diagnosis .............. 208 . BULB SPECIFICATIONS ....................................... 235 .
Preliminary Check ............................................... 209 . Headlamp ............................................................. 235
.
CHECK FOR POWER SUPPLY AND GROUND Exterior Lamp ....................................................... 235
.
CIRCUIT ........................................................... 209
. Interior Lamp/Illumination ..................................... 235 .

Revision: 2006 July LT-4 2007 Murano
PRECAUTIONS

PRECAUTIONS PFP:00011
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" NKS001MS

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 NKS001MT

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- PKIB7344E
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: 2006 July LT-5 2007 Murano
HEADLAMP - XENON TYPE -

HEADLAMP - XENON TYPE - PFP:26010

Component Parts and Harness Connector Location NKS001MV

PKIB2148E

System Description NKS001MW

q BCM (Body Control Module) controls headlamps low and high operation.
q IPDM E/R (Intelligent Power Distribution Module Engine Room) operates headlamp bulbs and high beam
solenoids according to CAN communication signals from BCM.
q Combination meter operates high beam indicator lamp according to CAN communication signals from
BCM.
OUTLINE
Power is supplied at all times
q to ignition relay located in IPDM E/R,
q to headlamp high relay located in IPDM E/R and
q to headlamp low relay located in IPDM E/R, from battery direct,
q through 50A fusible link (letter F, located in fuse and fusible link block)
q to BCM terminal 55,
q through 10A fuse [No. 18, located in fuse block (J/B)]
q to BCM terminal 42,
q through 15A fuse (No. 78, located in IPDM E/R)
q to CPU located in IPDM E/R,
q through 10A fuse (No. 71, located in IPDM E/R)
q to CPU located in IPDM E/R,
q through 10A fuse [No. 21, located in the fuse block (J/B)]
Revision: 2006 July LT-6 2007 Murano
HEADLAMP - XENON TYPE -

q to combination meter terminal 21.
With the ignition switch in the ON or START position, power is supplied A
q to ignition relay located in IPDM E/R, from battery direct,
q through 10A fuse [No. 1, located in fuse block (J/B)]
B
q to BCM terminal 38,
q through 10A fuse [No. 14 located in fuse block (J/B)]
q to combination meter terminal 20. C
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 terminal 11. D
Ground is supplied
q to BCM terminal 52
q through grounds M14 and M78, E
q to IPDM E/R terminals 38 and 60
q through grounds E13, E26 and E28,
F
q to combination meter terminals 22, 23 and 24
q through grounds M14 and M78.
LOW BEAM OPERATION G
When the lighting switch is in 2ND position, BCM detects the HEAD LAMP1 and 2 (ON) by BCM combination
switch reading function. BCM sends low beam request signal (ON) through CAN communication.
When IPDM E/R receives low beam request signal (ON), it turns ON headlamp low relay in IPDM E/R. IPDM H
E/R supplies power
q through 15A fuse (No. 76, located in IPDM E/R)
q through IPDM E/R terminal 20 I
q to front combination lamp RH terminal 4,
q through 15A fuse (No. 86, located in IPDM E/R)
q through IPDM E/R terminal 30 J
q to front combination lamp LH terminal 4.
Ground is supplied
LT
q to front combination lamp RH terminal 5
q through grounds E13, E26 and E28,
q to front combination lamp LH terminal 5 L
q through grounds E13, E26 and E28.
With power and ground supplied, headlamp low beams illuminate.
HIGH BEAM OPERATION M
When the lighting switch is in HIGH BEAM position and then also in 2ND position, BCM detects the HEAD
LAMP1, 2 (ON) and the HI BEAM (ON) by BCM combination switch reading function. BCM sends low beam
request signal (ON) and high beam request signal (ON) through CAN communication.
When receiving those signals, IPDM E/R turns ON headlamp low and high relays in IPDM E/R. IPDM E/R sup-
plies power
q through 15A fuse (No. 76, located in IPDM E/R)
q through IPDM E/R terminal 20
q to front combination lamp RH terminal 4,
q through 15A fuse (No. 86, located in IPDM E/R)
q through IPDM E/R terminal 30
q to front combination lamp LH terminal 4,
q through 10A fuse (No. 72, located in the IPDM E/R)
q through IPDM E/R terminal 27
q to front combination lamp RH terminal 1,
q through 10A fuse (No. 74, located in the IPDM E/R)
Revision: 2006 July LT-7 2007 Murano
HEADLAMP - XENON TYPE -

q through IPDM E/R terminal 28
q to front combination lamp LH terminal 1.
Ground is supplied
q to front combination lamp RH and LH terminals 5
q through grounds E13, E26 and E28.
With power and ground supplied, headlamp high beams illuminate.
High beam solenoids move the bulb shades in the front combination lamps, and the bulb shades change to
high beam position.
Combination meter receives high beam request signal (ON) through CAN communication, and make high
beam indicator lamp turn ON in combination meter.
FLASH-TO-PASS OPERATION
When the lighting switch is in PASSING position, BCM detects the PASSING (ON) by BCM combination switch
reading function. BCM sends low beam request signal (ON) and high beam request signal (ON) through CAN
communication.
When receiving those signals, IPDM E/R turns ON headlamp low and high relays in IPDM E/R. IPDM E/R sup-
plies power
q through 15A fuse (No. 76, located in IPDM E/R)
q through IPDM E/R terminal 20
q to front combination lamp RH terminal 4,
q through 15A fuse (No. 86, located in IPDM E/R)
q through IPDM E/R terminal 30
q to front combination lamp LH terminal 4,
q through 10A fuse (No. 72, located in the IPDM E/R)
q through IPDM E/R terminal 27
q to front combination lamp RH terminal 1,
q through 10A fuse (No. 74, located in the IPDM E/R)
q through IPDM E/R terminal 28
q to front combination lamp LH terminal 1.
Ground is supplied
q to front combination lamp RH and LH terminals 5
q through grounds E13, E26 and E28.
With power and ground supplied, headlamp high beams illuminate.
High beam solenoids move the bulb shades in the front combination lamps to change beams from/to high and
low.
Combination meter receives high beam request signal (ON) through CAN communication, and make high
beam indicator lamp turn ON in combination meter.
COMBINATION SWITCH READING FUNCTION
Refer to BCS-3, "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, and 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 LT-84, "System Description" .
VEHICLE SECURITY SYSTEM
The vehicle security system will flash the high beams if the system is triggered. Refer to BL-204, "VEHICLE
SECURITY (THEFT WARNING) SYSTEM" .

Revision: 2006 July LT-8 2007 Murano
HEADLAMP - XENON TYPE -

XENON HEADLAMP
Xenon type lamps are used for to the low beam headlamps. Xenon bulbs do not use a filament. Instead, they A
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 strong lighting power, electronic control of
the power supply gives the headlamps stable quality and tone color. B
Followings are some advantages of the xenon type headlamp.
q The light produced by the headlamps is white color similar to sunlight that is easy to the eyes.
q Light output is nearly double that of halogen headlamps, affording increased area of illumination. C
q Counter-reflected luminance increases and the contrast enhances on the wet road in the rain. That makes
visibility go up more than the increase of the light volume.
q Power consumption is approximately 25 percent less than halogen headlamps, reducing battery load. D
CAN Communication System Description NKS001MX

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul- E
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. F
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Unit NKS001MY
G
Refer to LAN-49, "CAN System Specification Chart" .

Revision: 2006 July LT-9 2007 Murano
HEADLAMP - XENON TYPE -

Schematic NKS001MZ

TKWB2550E

Revision: 2006 July LT-10 2007 Murano
HEADLAMP - XENON TYPE -

Wiring Diagram -- H/LAMP -- NKS001N0

TKWB2551E

Revision: 2006 July LT-11 2007 Murano
HEADLAMP - XENON TYPE -

TKWB2552E

Revision: 2006 July LT-12 2007 Murano
HEADLAMP - XENON TYPE -

TKWA0740E

Revision: 2006 July LT-13 2007 Murano
HEADLAMP - XENON TYPE -

TKWB2553E

Revision: 2006 July LT-14 2007 Murano
HEADLAMP - XENON TYPE -

Terminals and Reference Values for BCM NKS002T3

A
CAUTION:
q Check combination switch system terminal waveform under the loaded condition with lighting
switch, turn signal switch and wiper switch OFF not to be fluctuated by overloaded.
q Turn wiper intermittent dial position to 4 except when checking waveform or voltage of wiper inter- B
mittent dial position. Wiper intermittent dial position can be confirmed on CONSULT-II. Refer to LT-
152, "DATA MONITOR" .
C
Measuring condition
Terminal Wire
Signal name Ignition Reference value
No. color Operation or condition
switch D
OFF Approx. 0 V

E
Lighting switch HIGH
beam
(Operates only HIGH F
beam switch)
Lighting, turn, wiper
PKIB4959J
Combination switch
2 R ON Approx. 1.0 V G
switch input 5 (Wiper intermittent
dial position 4)

Lighting switch 2ND

I
PKIB4953J

Approx. 2.0 V
OFF Approx. 0 V J

Any of the conditions
Lighting, turn, wiper below LT
Combination switch q Lighting switch 2ND
3 P/L ON
switch input 4 (Wiper intermittent
q Lighting switch PASS-
dial position 4)
ING
L
(Operates only PASS-
ING switch) PKIB4959J

Approx. 1.0 V
Ignition switch M
11 P/B ACC -- Battery voltage
(ACC)

Revision: 2006 July LT-15 2007 Murano
HEADLAMP - XENON TYPE -

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

OFF

PKIB4960J
Lighting, turn, wiper
Combination switch Approx. 7.2 V
34 LG/R ON
switch output 3 (Wiper intermittent
dial position 4) Any of the conditions
below
q Lighting switch 2ND
q Lighting switch HI
beam
(Operates only HI
beam switch) PKIB4958J

Approx. 1.2 V

OFF

PKIB4960J
Lighting, turn, wiper
Combination switch Approx. 7.2 V
35 G/B ON
switch output 2 (Wiper intermittent
dial position 4) Any of the conditions
below

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