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LIGHTING SYSTEM


K ELECTRICAL

                                                                                                                                                                       A




                                                                                                           SECTION
                                                                                                     LIGHTING SYSTEM
                                                                                                                                       LT                              B



                                                                                                                                                                       C


                                                                                                                                                                       D


                                                                                                                                                                       E
                                                                   CONTENTS
PRECAUTIONS ......................................................... 5   .         Headlamp Low Beam Does Not Illuminate (One                                         F
 Precautions for Supplemental Restraint System                                      Side) ...................................................................... 28
                                                                                                                                                             .
 (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                            Headlamp RH Low Beam and High Beam Does Not
 SIONER" ................................................................. 5
                                                                          .         Illuminate ............................................................... 29
                                                                                                                                                             .        G
 General Precautions for Service Operations ........... 6                 .         Headlamp LH Low Beam and High Beam Does Not
HEADLAMP - XENON TYPE - .................................. 7              .         Illuminate ............................................................... 30
                                                                                                                                                             .
 Component Parts and Harness Connector Location 7                         .....     Headlamps Do Not Turn OFF ................................ 31            .
                                                                                                                                                                       H
 System Description ................................................. 7   .         General Information for Xenon Headlamp Trouble
   OUTLINE .............................................................. 7
                                                                          .         Diagnosis ............................................................... 33
                                                                                                                                                             .
   HEADLAMP OPERATION ................................... 8               .         Caution: ................................................................. 33
                                                                                                                                                             .
   COMBINATION SWITCH READING FUNCTION 9                                  .....     Xenon Headlamp Trouble Diagnosis ..................... 33                .         I
   EXTERIOR LAMP BATTERY SAVER CONTROL 9                                  .....     Aiming Adjustment ................................................. 34   .
   AUTO LIGHT OPERATION (IF EQUIPPED) ........ 9                          .            PREPARATION BEFORE ADJUSTING ............. 34                         .
   VEHICLE SECURITY SYSTEM ........................... 9                  .            LOW BEAM AND HIGH BEAM .......................... 34                  .         J
   XENON HEADLAMP ............................................ 9          .            ADJUSTMENT USING AN ADJUSTMENT
 CAN Communication System Description ............... 9                   .            SCREEN (LIGHT/DARK BORDERLINE) ........... 35                         .
 CAN Communication Unit ....................................... 9         .         Bulb Replacement ................................................. 35    .
                                                                                                                                                                      LT
 Schematic ............................................................. 10
                                                                          .            HEADLAMP HIGH/LOW BEAM ......................... 35                   .
 Wiring Diagram -- H/LAMP -- ...............................11            .            DAYTIME/PARKING LAMP ................................ 36              .
 Terminals and Reference Values for BCM ............ 15                   .            FRONT TURN SIGNAL LAMP ........................... 36                 .
 Terminals and Reference Values for IPDM E/R .... 16                      .            FRONT SIDE MARKER LAMP .......................... 36                  .         L
 How to Proceed With Trouble Diagnosis ............... 17                 .         Removal and Installation ....................................... 36      .
 Preliminary Check ................................................. 17   .            REMOVAL .......................................................... 36 .
   CHECK POWER SUPPLY AND GROUND CIR-                                                  INSTALLATION .................................................. 37    .        M
   CUIT ................................................................... 17
                                                                          .         Disassembly and Assembly ................................... 37          .
 CONSULT-II Functions (BCM) .............................. 19             .            DISASSEMBLY .................................................. 37     .
   CONSULT-II BASIC OPERATION ...................... 19                   .            ASSEMBLY ........................................................ 37  .
   WORK SUPPORT .............................................. 19         .        DAYTIME LIGHT SYSTEM ...................................... 39            .
   DATA MONITOR ................................................ 19       .         Component Parts and Harness Connector Location 39                        ...
   ACTIVE TEST .................................................... 20    .         System Description ................................................ 39   .
 CONSULT-II Functions (IPDM E/R) ...................... 21                .            OUTLINE ............................................................ 39
                                                                                                                                                             .
   CONSULT-II BASIC OPERATION ...................... 21                   .            DAYTIME LIGHT OPERATION .......................... 40                 .
   DATA MONITOR ................................................ 21       .            COMBINATION SWITCH READING FUNCTION 40                                ...
   ACTIVE TEST .................................................... 22    .            AUTO LIGHT OPERATION ................................ 40              .
 Headlamp Does Not Change To High Beam (Both                                        CAN Communication System Description ............. 40                    .
 Sides) .................................................................... 22
                                                                          .         CAN Communication Unit ...................................... 40         .
 Headlamp Does Not Change To High Beam (One                                         Schematic .............................................................. 41
                                                                                                                                                             .
 Side) ...................................................................... 24
                                                                          .         Wiring Diagram -- DTRL -- .................................. 42          .
 Headlamp Low Beam Does Not Illuminate (Both                                        Terminals and Reference Values for BCM ............. 46                  .
 Sides) .................................................................... 25
                                                                          .         How to Proceed With Trouble Diagnosis ............... 48                 .


Revision: 2006 December                                                       LT-1                                                        2006 FX35/FX45
 Preliminary Check ................................................. 49 .             COMBINATION SWITCH READING FUNCTION                                   ...79
   CHECK POWER SUPPLY AND GROUND CIR-                                                 EXTERIOR LAMP BATTERY SAVER CONTROL                                   ...79
   CUIT ................................................................... 49
                                                                        .          CAN Communication System Description .............79                     .
   INSPECTION PARKING BRAKE SWITCH CIR-                                            CAN Communication Unit ......................................79          .
   CUIT ................................................................... 50
                                                                        .          Wiring Diagram -- F/FOG -- .................................80           .
 CONSULT-II Functions (BCM) ............................... 51          .          Terminals and Reference Values for BCM .............82                   .
   CONSULT-II BASIC OPERATION ...................... 51                 .          Terminals and Reference Values for IPDM E/R .....82                      .
   DATA MONITOR ................................................. 51    .          How to Proceed With Trouble Diagnosis ...............83                  .
   ACTIVE TEST .................................................... 52  .          Preliminary Check ..................................................83   .
 Daytime Light Control Does Not Operate Properly 53                     ...           CHECK POWER SUPPLY AND GROUND CIR-
 Aiming Adjustment ................................................. 55 .             CUIT ....................................................................83
                                                                                                                                                            .
 Bulb Replacement ................................................. 55  .          CONSULT-II Functions (BCM) ...............................84             .
 Removal and Installation ....................................... 55    .          CONSULT-II Functions (IPDM E/R) .......................84                .
 Disassembly and Assembly ................................... 55        .          Front Fog Lamps Do Not Illuminate (Both Sides) ...85
AUTO LIGHT SYSTEM ............................................ 56       .          Front Fog Lamp Does Not Illuminate (One Side) ...87
 Component Parts and Harness Connector Location 56                      ...        Aiming Adjustment .................................................88    .
 System Description ................................................ 56 .          Bulb Replacement ..................................................89    .
   OUTLINE ............................................................ 56
                                                                        .          Removal and Installation ........................................89      .
   COMBINATION SWITCH READING FUNCTION 57                               ...           REMOVAL ...........................................................89 .
   DELAY TIMER FUNCTION ................................ 57             .             INSTALLATION ...................................................89    .
 CAN Communication System Description ............. 57                  .        TURN SIGNAL AND HAZARD WARNING LAMPS...90
 CAN Communication Unit ...................................... 57       .          Component Parts and Harness Connector Location                           ...90
 Major Components and Functions ......................... 57            .          System Description ................................................90    .
 Schematic .............................................................. 58
                                                                        .             TURN SIGNAL OPERATION ..............................90                .
 Wiring Diagram -- AUTO/L -- ............................... 59         .             HAZARD LAMP OPERATION ............................91                  .
 Terminals and Reference Values for BCM ............. 62                .             REMOTE CONTROL ENTRY SYSTEM OPER-
 Terminals and Reference Values for IPDM E/R ..... 63                   .             ATION .................................................................92
                                                                                                                                                            .
 How to Proceed With Trouble Diagnosis ............... 63               .             COMBINATION SWITCH READING FUNCTION                                   ...93
 Preliminary Check ................................................. 64 .          CAN Communication System Description .............93                     .
   SETTING CHANGE FUNCTIONS ...................... 64                   .          CAN Communication Unit ......................................93          .
   CHECK POWER SUPPLY AND GROUND CIR-                                              Schematic ..............................................................94
                                                                                                                                                            .
   CUIT ................................................................... 64
                                                                        .          Wiring Diagram -- TURN -- ..................................95           .
 CONSULT-II Functions (BCM) ............................... 66          .          Terminals and Reference Values for BCM .............98                   .
   CONSULT-II BASIC OPERATION ...................... 66                 .          Terminals and Reference Value for Rear Combina-
   WORK SUPPORT .............................................. 66       .          tion Lamp Control Unit ...........................................99     .
   DATA MONITOR ................................................. 66    .          How to Proceed With Trouble Diagnosis ............. 102                  .
   ACTIVE TEST .................................................... 68  .          Preliminary Check ................................................ 102   .
 CONSULT-II Functions (IPDM E/R) ....................... 68             .             CHECK POWER SUPPLY AND GROUND CIR-
   CONSULT-II BASIC OPERATION ...................... 68                 .             CUIT .................................................................. 102
                                                                                                                                                            .
   DATA MONITOR ................................................. 68    .          CONSULT-II Functions (BCM) ............................. 104             .
   ACTIVE TEST .................................................... 69  .             CONSULT-II BASIC OPERATION .................... 104                   .
 Symptom Chart ...................................................... 69.             DATA MONITOR ............................................... 104      .
 Lighting Switch Inspection ..................................... 69    .             ACTIVE TEST ................................................... 104   .
 Optical sensor System Inspection ......................... 70          .          Turn Signal Lamp Does Not Operate ................... 105                .
 Removal and Installation of Optical Sensor ........... 72              .          Rear Turn Signal Lamp Does Not Operate .......... 106                    .
   REMOVAL .......................................................... 72.          Hazard Warning Lamp Does Not Operate But Turn
   INSTALLATION ................................................... 72  .          Signal Lamp Operate ........................................... 108      .
HEADLAMP AIMING CONTROL ............................. 73                .          Bulb Replacement (Front Turn Signal Lamp) ....... 110                    .
 Schematic .............................................................. 73
                                                                        .          Bulb Replacement (Rear Turn Signal Lamp) ....... 110                     .
 Wiring Diagram -- H/AIM -- .................................. 74       .          Removal and Installation of Front Turn Signal Lamp 110                   .
 Removal and Installation ....................................... 77    .          Removal and Installation of Rear Turn Signal Lamp. 110
   REMOVAL .......................................................... 77.          Removal and Installation of Rear Combination
   INSTALLATION ................................................... 77  .          Lamp Control Unit ................................................ 110   .
 Switch Circuit Inspection ....................................... 77   .             REMOVAL ......................................................... 110 .
FRONT FOG LAMP ................................................. 78     .             INSTALLATION ................................................. 110    .
 Component Parts and Harness Connector Location 78                      ...      LIGHTING AND TURN SIGNAL SWITCH ............. 111                          .
 System Description ................................................ 78 .          Removal and Installation ...................................... 111      .
   OUTLINE ............................................................ 78
                                                                        .             REMOVAL ......................................................... 111 .
   FRONT FOG LAMP OPERATION ...................... 79                   .             INSTALLATION ................................................. 111    .

Revision: 2006 December                                                     LT-2                                                         2006 FX35/FX45
HAZARD SWITCH ..................................................112      .         License Plate Lamp ............................................. 152   .
 Removal and Installation ......................................112      .           BULB REPLACEMENT, REMOVAL AND                                                 A
    REMOVAL .........................................................112 .           INSTALLATION ................................................ 152    .
    INSTALLATION .................................................112    .         Front Parking Lamp ............................................. 153   .
COMBINATION SWITCH ........................................113           .           BULB REPLACEMENT .................................... 153            .        B
 Wiring Diagram -- COMBSW -- ..........................113               .           REMOVAL AND INSTALLATION ..................... 153                   .
 Combination Switch Reading Function ................114                 .         Tail Lamp ............................................................. 153
                                                                                                                                                          .
 Terminals and Reference Values for BCM ...........114                   .           BULB REPLACEMENT .................................... 153            .
 CONSULT-II Functions (BCM) .............................119             .           REMOVAL AND INSTALLATION ..................... 153                   .        C
    CONSULT-II BASIC OPERATION .....................119                  .         Front Side Marker Lamp ...................................... 153      .
    DATA MONITOR ...............................................119      .           BULB REPLACEMENT .................................... 153            .
 Combination Switch Inspection ........................... 120           .           REMOVAL AND INSTALLATION ..................... 153                   .        D
 Removal and Installation ..................................... 122      .         Rear Side Marker Lamp ...................................... 153       .
STOP LAMP .......................................................... 123 .           BULB REPLACEMENT .................................... 153            .
 Component Parts and Harness Connector Location 123                      .           REMOVAL AND INSTALLATION ..................... 153                   .        E
 System Description ............................................. 123    .         Rear Combination Lamp Control Unit .................. 153              .
 Schematic ........................................................... 124
                                                                         .           REMOVAL AND INSTALLATION ..................... 153                   .
 Wiring Diagram -- STOP/L -- ............................. 125           .       REAR COMBINATION LAMP ................................ 154               .
 Terminals and Reference Value for Rear Combina-                                   Bulb Replacement ............................................... 154   .        F
 tion Lamp Control Unit ........................................ 128     .           REAR FENDER SIDE (REAR SIDE MARKER
 Stop Lamp Does Not Operate ............................. 128            .           LAMP BULB) .................................................... 154  .
 High-Mounted Stop Lamp ................................... 130          .           BACK DOOR SIDE (BACK-UP LAMP) ............ 154                       .       G
    BULB REPLACEMENT, REMOVAL AND                                                  Removal and Installation ..................................... 154     .
    INSTALLATION ................................................ 130    .           REMOVAL ........................................................ 154 .
 Stop Lamp ........................................................... 130
                                                                         .           INSTALLATION ................................................ 155    .        H
    BULB REPLACEMENT .................................... 130            .       INTERIOR ROOM LAMP ....................................... 156           .
    REMOVAL AND INSTALLATION ..................... 130                   .         Component Parts and Harness Connector Location 156                     .
 Rear Combination Lamp Control Unit ................. 130                .         System Description .............................................. 156  .
                                                                                                                                                                   I
    REMOVAL AND INSTALLATION ..................... 130                   .           POWER SUPPLY AND GROUND ................... 157                      .
BACK-UP LAMP ................................................... 131     .           SWITCH OPERATION ..................................... 158           .
 Wiring Diagram -- BACK/L -- ............................ 131            .           ROOM LAMP TIMER OPERATION ................. 159                      .
 Bulb Replacement ............................................... 132    .           INTERIOR LAMP BATTERY SAVER CONTROL 160                              .        J
 Removal and Installation ..................................... 132      .         Schematic ............................................................ 162
                                                                                                                                                          .
PARKING, LICENSE PLATE AND TAIL LAMPS .. 133                             .         Wiring Diagram -- ROOM/L -- ........................... 164            .
 Component Parts and Harness Connector Location 133                      .         Terminals and Reference Values for BCM ........... 172                 .       LT
 System Description ............................................. 133    .         How to Proceed With Trouble Diagnosis ............. 173                .
    OUT LINE ......................................................... 133
                                                                         .         Preliminary Check ............................................... 173  .
    OPERATION BY LIGHTING SWITCH ............. 134                       .           CHECK FOR POWER SUPPLY AND GROUND                                             L
    COMBINATION SWITCH READING FUNCTION 135                              .           CIRCUIT ........................................................... 173
                                                                                                                                                          .
    EXTERIOR LAMP BATTERY SAVER CONTROL 135                              .         CONSULT-II Functions (BCM) ............................. 174           .
 CAN Communication System Description ........... 135                    .           CONSULT-II BASIC OPERATION .................... 174                  .
 CAN Communication Unit ................................... 135          .           WORK SUPPORT (INT LAMP) ........................ 174                 .       M
 Schematic ........................................................... 136
                                                                         .           DATA MONITOR (INT LAMP) .......................... 174               .
 Wiring Diagram -- TAIL/L -- ............................... 137         .           ACTIVE TEST (INT LAMP) .............................. 175            .
 Terminals and Reference Values for BCM .......... 142                   .           WORK SUPPORT (BATTERY SAVER) ........... 176                         .
 Terminals and Reference Values for IPDM E/R .. 142                      .           DATA MONITOR (BATTERY SAVER) .............. 176                      .
 Terminals and Reference Value for Rear Combina-                                     ACTIVE TEST (BATTERY SAVER) .................. 177                   .
 tion Lamp Control Unit ........................................ 144     .         Interior Room Lamp Control Does Not Operate .. 177                     .
 How to Proceed With Trouble Diagnosis ............. 144                 .         Map Lamp Control Does Not Operate ................. 178                .
 Preliminary Check ............................................... 144   .         Personal Lamp Control Does Not Operate .......... 181                  .
    CHECK POWER SUPPLY AND GROUND CIR-                                             Ignition Key Hole Illumination Control Does Not
    CUIT ................................................................. 144
                                                                         .         Operate ................................................................ 182
                                                                                                                                                          .
 CONSULT-II Functions (BCM) ............................ 145             .         All Step Lamps Do Not Operate .......................... 184           .
 CONSULT-II Functions (IPDM E/R) .................... 145                .         All Interior Room Lamps Do Not Operate ............ 185                .
 Parking, License Plate and Side Marker Lamps Do                                   Bulb Replacement ............................................... 185   .
 Not Illuminate ...................................................... 145
                                                                         .           IGNITION KEY HOLE ILLUMINATION (WITH-
 Tail Lamp Does Not Operate ............................... 151          .           OUT INTELIGENT KEY) .................................. 185           .
 Parking, License Plate, Side Maker and Tail Lamps                                   IGNITION KEY HOLE ILLUMINATION (WITH
 Do Not Turn OFF (After Approx. 10 Minutes) ...... 152                   .           INTELIGENT KEY) ........................................... 185      .

Revision: 2006 December                                                     LT-3                                                       2006 FX35/FX45
   FRONT STEP LAMP ........................................ 186     .          EXTERIOR LAMP BATTERY SAVER CONTROL                                .190
   REAR STEP LAMP .......................................... 186    .        CAN Communication System Description ........... 191                 .
   LUGGAGE ROOM LAMP ................................. 186          .        CAN Communication Unit .................................... 191      .
   VANITY MIRROR LAMP .................................. 186        .        Schematic ............................................................ 192
                                                                                                                                                  .
   MAP LAMP ....................................................... 187
                                                                    .        Wiring Diagram -- ILL -- ..................................... 194   .
   INTERIOR ROOM LAMP ................................. 187         .        Bulb Replacement ................................................ 203.
   PERSONAL LAMP ........................................... 187    .          GLOVE BOX LAMP .......................................... 203      .
  Removal and Installation ..................................... 187.          A/T DEVICE ILLUMINATION ............................ 203           .
   LUGGAGE ROOM LAMP ................................. 187          .          COIN BOX ILLUMINATION .............................. 203           .
   MAP LAMP ....................................................... 188
                                                                    .        Removal and Installation ...................................... 203  .
   INTERIOR ROOM LAMP ................................. 188         .          ILLUMINATION CONTROL SWITCH ............... 203                    .
   PERSONAL LAMP ........................................... 188    .       BULB SPECIFICATIONS ....................................... 204       .
ILLUMINATION ...................................................... 189
                                                                    .        Headlamp ............................................................. 204
                                                                                                                                                  .
  System Description .............................................. 189
                                                                    .        Exterior Lamp ....................................................... 204
                                                                                                                                                  .
   ILLUMINATION OPERATION BY LIGHTING                                        Interior Lamp/Illumination ..................................... 204 .
   SWITCH ........................................................... 189
                                                                    .




Revision: 2006 December                                                LT-4                                                     2006 FX35/FX45
                                              PRECAUTIONS

PRECAUTIONS                                                         PFP:00011
                                                                                                                          A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"                                                                                           NKS002V3


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


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Revision: 2006 December                               LT-5                                        2006 FX35/FX45
                                             PRECAUTIONS

General Precautions for Service Operations                                                                  NKS002V4


q   Never work with wet hands.
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).
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,
    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.
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
    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
    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 December                              LT-6                                        2006 FX35/FX45
                                    HEADLAMP - XENON TYPE -

HEADLAMP - XENON TYPE -                                                                            PFP:26010
                                                                                                                   A
Component Parts and Harness Connector Location                                                          NKS002V5




                                                                                                                   B



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                                                                                                                   H



                                                                                                                   I

                                                                                                 PKIC9683E



System Description                                                                                      NKS002V6
                                                                                                                   J
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/ LT
R (intelligent power distribution module engine room) through the CAN communication lines. The CPU (central
processing unit) located in 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.                       L
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                                                                                                            M
Power is supplied at all times
q  to headlamp high relay, located in IPDM E/R
q  to headlamp low relay, located in IPDM E/R and
q  to ignition relay, located in IPDM E/R, from battery direct,
q  through 10A fuse (No. 71, located in IPDM E/R)
q  to CPU located in IPDM E/R,
q  through 15A fuse (No. 78, located in IPDM E/R)
q  to CPU located in IPDM E/R,
q  through 50A fusible link (letter M, located in fuse, fusible link and relay box)
q  to BCM terminal 55,
q  through 15A fuse [No. 22, located in fuse block (J/B)]
q  to BCM terminal 42,
q  through 10A fuse [No. 19, located in fuse block (J/B)]
q  to combination meter terminal 8.

Revision: 2006 December                              LT-7                                  2006 FX35/FX45
                                   HEADLAMP - XENON TYPE -

With ignition switch in ON or START position, power is supplied
q   to ignition relay, located in IPDM E/R, from battery direct
q   through 15A fuse [No. 1, located in fuse block (J/B)]
q   to BCM terminal 38,
q   through 10A fuse [No. 12, located in fuse block (J/B)]
q   to combination meter terminal 7.
With ignition switch in ACC or ON position, power is supplied
q   through 10A fuse [No. 6, located in fuse block (J/B)]
q   to BCM terminal 11.
Ground is supplied
q   to BCM terminals 49 and 52
q   through grounds M35, M45 and M85,
q   to IPDM E/R terminals 38 and 60
q   through grounds E21, E50 and E51,
q   to combination meter terminals 5, 6 and 15
q   through grounds M35, M45 and M85.
HEADLAMP OPERATION
Low Beam Operation
With the lighting switch in the 2ND position, the BCM receives input signal requesting the headlamps to illumi-
nate. This input signal is communicated to the IPDM E/R through the CAN communication lines. The CPU
located in the IPDM E/R controls the headlamp low relay coil, which when energized, directs 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 6,
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 6.
Ground is supplied
q   to front combination lamp RH and LH terminals 7
q   through grounds E21, E50 and E51,
With power and ground supplied, low beam headlamps illuminate.
High Beam Operation/Flash-to-Pass Operation
With the lighting switch in the 2ND position and placed in the 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
through the CAN communication lines. The CPU located in the IPDM E/R controls the headlamp high relay
coil and low relay coil, which when energized, directs 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 6,
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 6,
q    through 10A fuse (No. 72, located in IPDM E/R)
q    through IPDM E/R terminal 27
q    to front combination lamp RH terminal 5,
q    through 10A fuse (No. 74, located in IPDM E/R)
q    through IPDM E/R terminal 28
q    to front combination lamp LH terminal 5.



Revision: 2006 December                             LT-8                                      2006 FX35/FX45
                                   HEADLAMP - XENON TYPE -

Ground is supplied
q    to front combination lamp RH and LH terminals 7                                                                 A
q    through grounds E21, E50 and E51,
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 through 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 (IF EQUIPPED)                                                                                   F
Refer to LT-56, "System Description" .
VEHICLE SECURITY SYSTEM
The vehicle security system will flash the high beams if the system is triggered. Refer to BL-180, "VEHICLE          G
SECURITY (THEFT WARNING) SYSTEM" .
XENON HEADLAMP                                                                                                     H
Xenon type lamps are used for 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 strong lighting power, electronic control of
the power supply gives the headlamps stable quality and tone color.                                                I
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.            J
q    Retroreflected 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.
                                                                                                                  LT
q    Power consumption is approximately 25 percent less than halogen headlamps, reducing battery load.
CAN Communication System Description                                                                      NKS002V7


CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-     L
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           M
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                                                                                    NKS002V8


Refer to LAN-32, "CAN Communication Unit" .




Revision: 2006 December                             LT-9                                       2006 FX35/FX45
                          HEADLAMP - XENON TYPE -

Schematic                                                      NKS002V9




                                                         TKWM4289E




Revision: 2006 December            LT-10            2006 FX35/FX45
                          HEADLAMP - XENON TYPE -

Wiring Diagram -- H/LAMP --                                    NKS002VA

                                                                           A


                                                                           B



                                                                           C


                                                                           D


                                                                           E



                                                                           F


                                                                          G


                                                                           H



                                                                           I


                                                                           J


                                                                          LT


                                                                           L



                                                                          M




                                                         TKWM4290E




Revision: 2006 December            LT-11            2006 FX35/FX45
                          HEADLAMP - XENON TYPE -




                                                         TKWM4291E




Revision: 2006 December            LT-12            2006 FX35/FX45
                          HEADLAMP - XENON TYPE -


                                                                      A


                                                                      B



                                                                      C


                                                                      D


                                                                      E



                                                                      F


                                                                     G


                                                                      H



                                                                      I


                                                                      J


                                                                     LT


                                                                      L



                                                                     M




                                                         TKWM0604E




Revision: 2006 December            LT-13            2006 FX35/FX45
                          HEADLAMP - XENON TYPE -




                                                         TKWM4292E




Revision: 2006 December            LT-14            2006 FX35/FX45
                                          HEADLAMP - XENON TYPE -

Terminals and Reference Values for BCM                                                                                       NKS002VB

                                                                                                                                         A
                                                           Measuring condition
 Terminal   Wire
                     Signal name      Ignition                                                         Reference value
   No.      color                                               Operation or condition
                                       switch                                                                                            B
                                                                         OFF                             Approx. 0 V


                                                                                                                                         C

                                                                         Lighting switch HIGH beam
                                                                         (Operates only HIGH beam
                                                                                                                                         D
                                                                         switch)

                                                 Lighting, turn,
                                                                                                                        PKIB4959J
                    Combination                  wiper switch
    2       GY                          ON                                                              Approx. 1.0 V                    E
                    switch input 5               (Wiper intermit-
                                                 tent dial position 4)

                                                                                                                                         F

                                                                         Lighting switch 2ND

                                                                                                                                        G
                                                                                                                        PKIB4953J

                                                                                                        Approx. 2.0 V
                                                                         OFF                             Approx. 0 V                     H


                                                 Lighting, turn,         Any of the conditions below                                     I
                    Combination                  wiper switch            q   Lighting switch 2ND
    3       L/B                         ON
                    switch input 4               (Wiper intermit-
                                                                         q   Lighting switch PASSING
                                                 tent dial position 4)
                                                                             (Operates only PASSING                                      J
                                                                             switch)
                                                                                                                        PKIB4959J

                                                                                                        Approx. 1.0 V
                    Ignition switch                                                                                                     LT
   11       LG                         ACC                                   --                        Battery voltage
                    (ACC)

                                                                                                                                         L


                                                                         OFF
                                                                                                                                        M


                                                                                                                        PKIB4960J
                                                 Lighting, turn,
                    Combination                  wiper switch                                           Approx. 7.2 V
   34       W/B                         ON
                    switch output 3              (Wiper intermit-
                                                 tent 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




Revision: 2006 December                                         LT-15                                       2006 FX35/FX45
                                             HEADLAMP - XENON TYPE -

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




                                                                            OFF



                                                                                                                            PKIB4960J
                                                    Lighting, turn,
                       Combination                  wiper switch                                           Approx. 7.2 V
   35        W/G                           ON
                       switch output 2              (Wiper intermit-
                                                    tent dial position 4)
                                                                            Any of the conditions below
                                                                            q   Lighting switch 2ND
                                                                            q   Lighting switch PASSING
                                                                                (Operates only PASSING
                                                                                switch)
                                                                                                                            PKIB4958J

                                                                                                           Approx. 1.2 V
                       Ignition switch
   38        W/L                           ON                                   --                        Battery voltage
                       (ON)
   39         L        CAN - H             --                                   --                              --
   40         P        CAN - L             --                                   --                              --
                       Battery power
   42        L/R                          OFF                                   --                        Battery voltage
                       supply
   49         B        Ground              ON                                   --                          Approx. 0 V
   52         B        Ground              ON                                   --                          Approx. 0 V
                       Battery power
   55         G                           OFF                                   --                        Battery voltage
                       supply

Terminals and Reference Values for IPDM E/R                                                                                     NKS002VC


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

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

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

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

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




Revision: 2006 December                                             LT-16                                      2006 FX35/FX45
                                       HEADLAMP - XENON TYPE -

How to Proceed With Trouble Diagnosis                                                                               NKS002VD

                                                                                                                                A
1.   Confirm the symptom or customer complaint.
2.   Understand operation description and function description. Refer to LT-7, "System Description" .
3.   Perform Preliminary Check. Refer to LT-17, "Preliminary Check" .
                                                                                                                                B
4.   Check symptom and repair or replace the cause of malfunction.
5.   Does headlamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6.   INSPECTION END                                                                                                             C
Preliminary Check                                                                                                   NKS002VE

CHECK POWER SUPPLY AND GROUND CIRCUIT
                                                                                                                                D
1. CHECK FUSES
Check for blown fuses.
                                                                                                                                E
                     Unit                                 Power source               Fuse and fusible link No.
                                                                                                M
                                                              Battery
                                                                                                22                              F
                     BCM
                                             Ignition switch ON or START position               1
                                                Ignition switch ACC or ON position              6
                                                                                                                               G
                                                                                                72
                    



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