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LIGHTING SYSTEM


K ELECTRICAL

                                                                                                                                                                       A




                                                                                                           SECTION
                                                                                                     LIGHTING SYSTEM
                                                                                                                                       LT                              B



                                                                                                                                                                       C


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                                                                                                                                                                       E
                                                                   CONTENTS
PRECAUTIONS ......................................................... 5   .         Sides) .................................................................... 26
                                                                                                                                                             .         F
 Precautions for Supplemental Restraint System                                      Headlamp Low Beam Does Not Illuminate (One
 (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                            Side) ...................................................................... 29
                                                                                                                                                             .
 SIONER" ................................................................. 5
                                                                          .         Headlamp RH Low Beam and High Beam Does Not                                       G
 General Precautions for Service Operations ........... 6                 .         Illuminate ............................................................... 30
                                                                                                                                                             .
HEADLAMP - XENON TYPE - .................................. 7              .         Headlamp LH Low Beam and High Beam Does Not
 Component Parts and Harness Connector Location 7                         .....     Illuminate ............................................................... 31
                                                                                                                                                             .
                                                                                                                                                                       H
 System Description ................................................. 7   .         Headlamps Do Not Turn OFF ................................ 32            .
   OUTLINE .............................................................. 7
                                                                          .         General Information for Xenon Headlamp Trouble
   HEADLAMP OPERATION ................................... 8               .         Diagnosis ............................................................... 34
                                                                                                                                                             .
   COMBINATION SWITCH READING FUNCTION 9                                  .....     Caution: ................................................................. 34
                                                                                                                                                             .         I
   EXTERIOR LAMP BATTERY SAVER CONTROL 9                                  .....     Xenon Headlamp Trouble Diagnosis ..................... 34                .
   AUTO LIGHT OPERATION (IF EQUIPPED) ........ 9                          .         Aiming Adjustment ................................................. 35   .
   VEHICLE SECURITY SYSTEM ........................... 9                  .            PREPARATION BEFORE ADJUSTING ............. 35                         .         J
   XENON HEADLAMP ............................................ 9          .            LOW BEAM AND HIGH BEAM .......................... 35                  .
 CAN Communication System Description ............... 9                   .            ADJUSTMENT USING AN ADJUSTMENT
 CAN Communication Unit ....................................... 9         .            SCREEN (LIGHT/DARK BORDERLINE) ........... 36                         .
                                                                                                                                                                      LT
 Schematic ............................................................. 10
                                                                          .         Bulb Replacement ................................................. 36    .
 Wiring Diagram -- H/LAMP -- ...............................11            .            HEADLAMP HIGH/LOW BEAM ......................... 36                   .
 Terminals and Reference Values for BCM ............ 15                   .            DAYTIME/PARKING LAMP ................................ 37              .
 Terminals and Reference Values for IPDM E/R .... 15                      .            FRONT TURN SIGNAL LAMP ........................... 37                 .         L
 How to Proceed With Trouble Diagnosis ............... 16                 .            FRONT SIDE MARKER LAMP .......................... 37                  .
 Preliminary Check ................................................. 16   .         Removal and Installation ....................................... 37      .
   CHECK POWER SUPPLY AND GROUND CIR-                                                  REMOVAL .......................................................... 37 .        M
   CUIT ................................................................... 16
                                                                          .            INSTALLATION .................................................. 38    .
 CONSULT-II Functions (BCM) .............................. 18             .         Disassembly and Assembly ................................... 38          .
   CONSULT-II BASIC OPERATION ...................... 18                   .            DISASSEMBLY .................................................. 38     .
   WORK SUPPORT .............................................. 19         .            ASSEMBLY ........................................................ 38  .
   DATA MONITOR ................................................ 19       .        DAYTIME LIGHT SYSTEM ...................................... 39            .
   ACTIVE TEST .................................................... 20    .         Component Parts and Harness Connector Location 39                        ...
 CONSULT-II Functions (IPDM E/R) ...................... 20                .         System Description ................................................ 39   .
   CONSULT-II BASIC OPERATION ...................... 21                   .            OUTLINE ............................................................ 39
                                                                                                                                                             .
   DATA MONITOR ................................................ 22       .            DAYTIME LIGHT OPERATION .......................... 40                 .
   ACTIVE TEST .................................................... 23    .            COMBINATION SWITCH READING FUNCTION 40                                ...
 Headlamp Does Not Change To High Beam (Both                                           AUTO LIGHT OPERATION ................................ 40              .
 Sides) .................................................................... 23
                                                                          .         CAN Communication System Description ............. 40                    .
 Headlamp Does Not Change To High Beam (One                                         CAN Communication Unit ...................................... 40         .
 Side) ...................................................................... 25
                                                                          .         Schematic .............................................................. 41
                                                                                                                                                             .
 High Beam Indicator Lamp Does Not Illuminate ... 26                                Wiring Diagram -- DTRL -- .................................. 42          .
 Headlamp Low Beam Does Not Illuminate (Both                                        Terminals and Reference Values for BCM ............. 46                  .


Revision: 2005 July                                                           LT-1                                                                     2005 FX
 How to Proceed With Trouble Diagnosis ............... 46               .         System Description ................................................79   .
 Preliminary Check ................................................. 47 .           OUTLINE ............................................................79.
   CHECK POWER SUPPLY AND GROUND CIR-                                               FRONT FOG LAMP OPERATION ......................80                     .
   CUIT ................................................................... 47
                                                                        .           COMBINATION SWITCH READING FUNCTION                                   ...80
   INSPECTION PARKING BRAKE SWITCH CIR-                                             EXTERIOR LAMP BATTERY SAVER CONTROL                                   ...80
   CUIT ................................................................... 48
                                                                        .         CAN Communication System Description .............80                    .
 CONSULT-II Functions (BCM) ............................... 49          .         CAN Communication Unit ......................................80         .
   CONSULT-II BASIC OPERATION ...................... 49                 .         Wiring Diagram -- F/FOG -- .................................81          .
   DATA MONITOR ................................................. 50    .         Terminals and Reference Values for BCM .............83                  .
   ACTIVE TEST .................................................... 51  .         Terminals and Reference Values for IPDM E/R .....83                     .
 Daytime Light Control Does Not Operate Properly 52                     ...       How to Proceed With Trouble Diagnosis ...............84                 .
 Aiming Adjustment ................................................. 54 .         Preliminary Check ..................................................84  .
 Bulb Replacement ................................................. 54  .           CHECK POWER SUPPLY AND GROUND CIR-
 Removal and Installation ....................................... 54    .           CUIT ....................................................................84
                                                                                                                                                          .
 Disassembly and Assembly ................................... 54        .         CONSULT-II Functions (BCM) ...............................85            .
AUTO LIGHT SYSTEM ............................................ 55       .         CONSULT-II Functions (IPDM E/R) .......................85               .
 Component Parts and Harness Connector Location 55                      ...       Front Fog Lamp Does Not Illuminate (Both Sides)...86
 System Description ................................................ 55 .         Front Fog Lamp Does Not Illuminate (One Side) ...88
   OUTLINE ............................................................ 55
                                                                        .         Aiming Adjustment .................................................89   .
   COMBINATION SWITCH READING FUNCTION 56                               ...       Bulb Replacement ..................................................90   .
   EXTERIOR LAMP BATTERY SAVER CONTROL 56                               ...       Removal and Installation ........................................90     .
   DELAY TIMER FUNCTION ................................ 56             .           REMOVAL ...........................................................90 .
 CAN Communication System Description ............. 56                  .           INSTALLATION ...................................................90    .
 CAN Communication Unit ...................................... 56       .        TURN SIGNAL AND HAZARD WARNING LAMPS...91
 Major Components and Functions ......................... 56            .         Component Parts and Harness Connector Location                          ...91
 Schematic .............................................................. 57
                                                                        .         System Description ................................................91   .
 Wiring Diagram -- AUTO/L -- ............................... 58         .           TURN SIGNAL OPERATION ..............................91                .
 Terminals and Reference Values for BCM ............. 61                .           HAZARD LAMP OPERATION ............................92                  .
 Terminals and Reference Values for IPDM E/R ..... 62                   .           REMOTE CONTROL ENTRY SYSTEM OPER-
 How to Proceed With Trouble Diagnosis ............... 62               .           ATION .................................................................93
                                                                                                                                                          .
 Preliminary Check ................................................. 63 .           COMBINATION SWITCH READING FUNCTION                                   ...94
   SETTING CHANGE FUNCTIONS ...................... 63                   .         CAN Communication System Description .............94                    .
   CHECK POWER SUPPLY AND GROUND CIR-                                             CAN Communication Unit ......................................94         .
   CUIT ................................................................... 63
                                                                        .         Schematic ..............................................................95
                                                                                                                                                          .
 CONSULT-II Functions (BCM) ............................... 65          .         Wiring Diagram -- TURN -- ..................................96          .
   CONSULT-II BASIC OPERATION ...................... 65                 .         Terminals and Reference Values for BCM .............99                  .
   WORK SUPPORT .............................................. 66       .         How to Proceed With Trouble Diagnosis ............. 100                 .
   DATA MONITOR ................................................. 66    .         Preliminary Check ................................................ 100  .
   ACTIVE TEST .................................................... 67  .           CHECK POWER SUPPLY AND GROUND CIR-
 CONSULT-II Functions (IPDM E/R) ....................... 68             .           CUIT .................................................................. 100
                                                                                                                                                          .
   CONSULT-II BASIC OPERATION ...................... 68                 .         CONSULT-II Functions (BCM) ............................. 102            .
   DATA MONITOR ................................................. 69    .           CONSULT-II BASIC OPERATION .................... 102                   .
   ACTIVE TEST .................................................... 69  .           DATA MONITOR ............................................... 103      .
 Symptom Chart ...................................................... 70.           ACTIVE TEST ................................................... 103   .
 Lighting Switch Inspection ..................................... 70    .         Turn Signal Lamp Does Not Operate ................... 103               .
 Optical sensor System Inspection ......................... 71          .         Rear Turn Signal Lamp Does Not Operate .......... 105                   .
 Removal and Installation of Optical Sensor ........... 73              .         Hazard Warning Lamp Does Not Operate But Turn
   REMOVAL .......................................................... 73.         Signal Lamp Operate ........................................... 107     .
   INSTALLATION ................................................... 73  .         Turn Signal Indicator Lamp Does Not Operate .... 108                    .
HEADLAMP AIMING CONTROL ............................. 74                .         Bulb Replacement (Front Turn Signal Lamp) ....... 108                   .
 Schematic .............................................................. 74
                                                                        .         Bulb Replacement (Rear Turn Signal Lamp) ....... 108                    .
 Wiring Diagram -- H/AIM -- .................................. 75       .         Removal and Installation of Front Turn Signal Lamp                      .108
 Removal and Installation ....................................... 78    .         Removal and Installation of Rear Turn Signal Lamp.108
   REMOVAL .......................................................... 78.         Removal and Installation of Rear Combination
   INSTALLATION ................................................... 78  .         Lamp Control Unit ................................................ 109  .
 Switch Circuit Inspection ....................................... 78   .           REMOVAL ......................................................... 109 .
FRONT FOG LAMP ................................................. 79     .           INSTALLATION ................................................. 109    .
 Component Parts and Harness Connector Location 79                      ...


Revision: 2005 July                                                         LT-2                                                                   2005 FX
LIGHTING AND TURN SIGNAL SWITCH ..............110                        .         CONSULT-II Functions (IPDM E/R) ..................... 140             .
  Removal and Installation ......................................110     .         Parking, License Plate and Side Marker Lamps Do                                A
    REMOVAL .........................................................110 .         Not Illuminate ....................................................... 140
                                                                                                                                                         .
    INSTALLATION .................................................110    .         Tail Lamp Does Not Operate ............................... 146        .
HAZARD SWITCH .................................................. 111     .         Parking, License Plate, Side Maker and Tail Lamps                              B
  Removal and Installation ...................................... 111    .         Do Not Turn OFF (After Approx. 10 Minutes) ...... 147                 .
    REMOVAL ......................................................... 111.         License Plate Lamp ............................................. 147  .
    INSTALLATION ................................................. 111   .           BULB REPLACEMENT, REMOVAL AND
COMBINATION SWITCH ........................................112           .           INSTALLATION ................................................ 147   .        C
  Wiring Diagram -- COMBSW -- ..........................112              .         Front Parking Lamp ............................................. 148  .
  Combination Switch Reading Function ................113                .           BULB REPLACEMENT .................................... 148           .
  CONSULT-II Functions (BCM) .............................113            .           REMOVAL AND INSTALLATION ..................... 148                  .        D
    CONSULT-II BASIC OPERATION .....................113                  .         Tail Lamp ............................................................. 148
                                                                                                                                                         .
    DATA MONITOR ...............................................114      .           BULB REPLACEMENT .................................... 148           .
  Combination Switch Inspection ............................115          .           REMOVAL AND INSTALLATION ..................... 148                  .        E
  Removal and Installation ......................................117     .         Front Side Marker Lamp ...................................... 148     .
STOP LAMP ...........................................................118 .           BULB REPLACEMENT .................................... 148           .
  Component Parts and Harness Connector Location                         ..118       REMOVAL AND INSTALLATION ..................... 148                  .
  System Description ..............................................118   .         Rear Side Marker Lamp ...................................... 148      .        F
  Schematic ............................................................119
                                                                         .           BULB REPLACEMENT .................................... 148           .
  Wiring Diagram -- STOP/L -- ............................. 120          .           REMOVAL AND INSTALLATION ..................... 148                  .
  Stop Lamp Does Not Operate ............................. 123           .         Rear Combination Lamp Control Unit .................. 148             .       G
  High-Mounted Stop Lamp ................................... 125         .           REMOVAL AND INSTALLATION ..................... 148                  .
    BULB REPLACEMENT, REMOVAL AND                                                REAR COMBINATION LAMP ................................ 149              .
    INSTALLATION ................................................ 125    .         Bulb Replacement ............................................... 149  .        H
  Stop Lamp ........................................................... 125
                                                                         .           REAR FENDER SIDE (REAR SIDE MARKER
    BULB REPLACEMENT .................................... 125            .           LAMP BULB) .................................................... 149 .
    REMOVAL AND INSTALLATION ..................... 125                   .           BACK DOOR SIDE (BACK-UP LAMP) ............ 149                      .
                                                                                                                                                                  I
  Rear Combination Lamp Control Unit ................. 125               .         Removal and Installation ..................................... 149    .
    REMOVAL AND INSTALLATION ..................... 125                   .           REMOVAL ........................................................ 149.
STEP LAMP ........................................................... 126.           INSTALLATION ................................................ 150   .
  Front Door Step Lamp ......................................... 126     .       VANITY MIRROR LAMP ........................................ 151         .        J
    BULB REPLACEMENT, REMOVAL AND                                                  Bulb Replacement ............................................... 151  .
    INSTALLATION ................................................ 126    .       MAP LAMP ............................................................ 152
                                                                                                                                                         .
  Rear Door Step Lamp ......................................... 126      .         Bulb Replacement ............................................... 152  .       LT
    BULB REPLACEMENT, REMOVAL AND                                                  Removal and Installation ..................................... 152    .
    INSTALLATION ................................................ 126    .           REMOVAL ........................................................ 152.
BACK-UP LAMP ................................................... 127     .           INSTALLATION ................................................ 152   .        L
  Wiring Diagram -- BACK/L -- ............................ 127           .       PERSONAL LAMP ................................................ 153      .
  Bulb Replacement ............................................... 128   .         Bulb Replacement ............................................... 153  .
  Removal and Installation ..................................... 128     .         Removal and Installation ..................................... 153    .
PARKING, LICENSE PLATE AND TAIL LAMPS .. 129                             .           REMOVAL ........................................................ 153.       M
  Component Parts and Harness Connector Location 129                     .           INSTALLATION ................................................ 153   .
  System Description ............................................. 129   .       LUGGAGE ROOM LAMP ...................................... 154            .
    OUT LINE ......................................................... 129
                                                                         .         Bulb Replacement ............................................... 154  .
    OPERATION BY LIGHTING SWITCH ............. 130                       .         Removal and Installation ..................................... 154    .
    COMBINATION SWITCH READING FUNCTION 131                              .           REMOVAL ........................................................ 154.
    EXTERIOR LAMP BATTERY SAVER CONTROL 131                              .           INSTALLATION ................................................ 154   .
  CAN Communication System Description ........... 131                   .       IGNITION KEY HOLE ILLUMINATION .................. 155                   .
  CAN Communication Unit ................................... 131         .         Bulb Replacement, Removal and Installation ...... 155                 .
  Schematic ........................................................... 132
                                                                         .       GLOVE BOX LAMP ............................................... 156      .
  Wiring Diagram -- TAIL/L -- ............................... 133        .         Bulb Replacement, Removal and Installation ...... 156                 .
  Terminals and Reference Values for BCM .......... 138                  .       ASHTRAY ILLUMINATION .................................... 157           .
  Terminals and Reference Values for IPDM E/R .. 138                     .         Bulb Replacement and Removal and Installation . 157
  How to Proceed With Trouble Diagnosis ............. 139                .       CIGARETTE LIGHTER ILLUMINATION ................ 158                     .
  Preliminary Check ............................................... 139  .         Bulb Replacement and Removal and Installation . 158
    CHECK POWER SUPPLY AND GROUND CIR-                                           INTERIOR ROOM LAMP ....................................... 159          .
    CUIT ................................................................. 139
                                                                         .         Component Parts and Harness Connector Location 159                    .
  CONSULT-II Functions (BCM) ............................ 140            .         System Description .............................................. 159 .

Revision: 2005 July                                                         LT-3                                                                  2005 FX
   POWER SUPPLY AND GROUND .................... 160                     .           INTERIOR ROOM LAMP .................................. 187          .
   SWITCH OPERATION ..................................... 161           .           MAP LAMP ....................................................... 187
                                                                                                                                                       .
   ROOM LAMP TIMER OPERATION .................. 162                     .           PERSONAL LAMP ............................................ 187     .
   INTERIOR LAMP BATTERY SAVER CONTROL 163                              .         Removal and Installation ...................................... 188  .
 Schematic ............................................................ 165
                                                                        .           INTERIOR ROOM LAMP .................................. 188          .
 Wiring Diagram -- ROOM/L -- ............................ 167           .           MAP LAMP ....................................................... 188
                                                                                                                                                       .
 Terminals and Reference Values for BCM ........... 175                 .           PERSONAL LAMP ............................................ 188     .
 How to Proceed With Trouble Diagnosis ............. 176                .       ILLUMINATION ....................................................... 189
                                                                                                                                                       .
 Preliminary Check ............................................... 176  .         System Description .............................................. 189.
   CHECK FOR POWER SUPPLY AND GROUND                                                ILLUMINATION OPERATION BY LIGHTING
   CIRCUIT ........................................................... 176
                                                                        .           SWITCH ............................................................ 189
                                                                                                                                                       .
 CONSULT-II Functions (BCM) ............................. 177           .           EXTERIOR LAMP BATTERY SAVER CONTROL                                .190
   CONSULT-II BASIC OPERATION .................... 177                  .         CAN Communication System Description ........... 190                 .
   WORK SUPPORT ............................................ 178        .         CAN Communication Unit .................................... 191      .
   DATA MONITOR ............................................... 178     .         Schematic ............................................................ 192
                                                                                                                                                       .
   ACTIVE TEST .................................................. 179   .         Wiring Diagram -- ILL -- ..................................... 194   .
 Interior Room Lamp Control Does Not Operate .. 180                     .         Removal and Installation ...................................... 202  .
 Map Lamp Control Does Not Operate ................. 181                .           ILLUMINATION CONTROL SWITCH ............... 202                    .
 Personal Lamp Control Does Not Operate .......... 183                  .           GLOVE BOX LAMP .......................................... 202      .
 Ignition Key Hole Illumination Control Does Not                                    FRONT DOOR INSIDE ILLUMINATION ........... 202                     .
 Operate ................................................................ 184
                                                                        .       BULB SPECIFICATIONS ....................................... 203        .
 All Step Lamps Do Not Operate ........................... 186          .         Headlamp ............................................................. 203
                                                                                                                                                       .
 All Interior Room Lamps Do Not Operate ............ 187                .         Exterior Lamp ....................................................... 203
                                                                                                                                                       .
 Bulb Replacement ............................................... 187   .         Interior Lamp/Illumination ..................................... 203 .




Revision: 2005 July                                                        LT-4                                                                  2005 FX
                                              PRECAUTIONS

PRECAUTIONS                                                         PFP:00011
                                                                                                                          A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"                                                                                           AKS007KP


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.
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Revision: 2005 July                                   LT-5                                                 2005 FX
                                             PRECAUTIONS

General Precautions for Service Operations                                                                  AKS004ZU


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: 2005 July                                  LT-6                                                2005 FX
                                    HEADLAMP - XENON TYPE -

HEADLAMP - XENON TYPE -                                                                            PFP:26010
                                                                                                                   A
Component Parts and Harness Connector Location                                                          AKS007M9




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                                                                                                 PKIB3472E



System Description                                                                                     AKS007MA
                                                                                                                   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) across 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: 2005 July                                  LT-7                                          2005 FX
                                   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. 14, 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 across 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 terminal 7
q   through grounds E21, E50 and E51,
q   to front combination lamp LH terminal 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
across 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

Revision: 2005 July                                 LT-8                                              2005 FX
                                   HEADLAMP - XENON TYPE -

q    to front combination lamp LH terminal 5.
Ground is supplied                                                                                                   A
q    to front combination lamp RH terminal 7
q    through grounds E21, E50 and E51,
                                                                                                                     B
q    to front combination lamp LH terminal 7
q    through grounds E21, E50 and E51.
With power and ground supplied, the high beam headlamps illuminate.                                                  C
If voltage is applied to a high beam solenoid, the bulb shade will move, even a xenon head lamp bulb comes
out, and a high beam and a low beam are changed.
The unified meter and A/C amp. that received the high beam request signal by BCM across the CAN commu-
nication makes a high beam indicator lamp turn on in combination meter.                                              D
COMBINATION SWITCH READING FUNCTION
Refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
                                                                                                                     E
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.                                              F
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)                                                                                   G
Refer to LT-55, "System Description" in "AUTO LIGHT SYSTEM".
VEHICLE SECURITY SYSTEM
                                                                                                                     H
The vehicle security system will flash the high beams if the system is triggered. Refer to BL-186, "VEHICLE
SECURITY (THEFT WARNING) SYSTEM" .
XENON HEADLAMP                                                                                                     I
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 J
the power supply gives the headlamps stable quality and tone color.
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.
                                                                                                                  LT
q    Light output is nearly double that of halogen headlamps, affording increased area of illumination.
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.                                                  L
q    Power consumption is approximately 25 percent less than halogen headlamps, reducing battery load.
CAN Communication System Description                                                                      AKS007MB

                                                                                                                     M
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Unit                                                                                    AKS0080S


Refer to LAN-30, "CAN Communication Unit" .




Revision: 2005 July                                 LT-9                                               2005 FX
                      HEADLAMP - XENON TYPE -

Schematic                                            AKS007MD




                                                TKWM0601E




Revision: 2005 July            LT-10              2005 FX
                       HEADLAMP - XENON TYPE -

Wiring Diagram -- H/LAMP --                            AKS007ME

                                                                   A


                                                                   B



                                                                   C


                                                                   D


                                                                   E



                                                                   F


                                                                  G


                                                                   H



                                                                   I


                                                                   J


                                                                  LT


                                                                   L



                                                                  M




                                                 TKWM0815E




Revision: 2005 July             LT-11              2005 FX
                      HEADLAMP - XENON TYPE -




                                                TKWM0603E




Revision: 2005 July            LT-12              2005 FX
                      HEADLAMP - XENON TYPE -


                                                             A


                                                             B



                                                             C


                                                             D


                                                             E



                                                             F


                                                            G


                                                             H



                                                             I


                                                             J


                                                            LT


                                                             L



                                                            M




                                                TKWM0604E




Revision: 2005 July            LT-13              2005 FX
                      HEADLAMP - XENON TYPE -




                                                TKWM0605E




Revision: 2005 July            LT-14              2005 FX
                                              HEADLAMP - XENON TYPE -

Terminals and Reference Values for BCM                                                                                   AKS007MF

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



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

                                                                                                                                     D
                                                                                                                     PKIB3468E


    3        L/B       Combination switch input 4
    4        PU/W      Combination switch input 3                                                                                    E
    5        Y/R       Combination switch input 2                     Lighting, turn, wiper OFF
                                                            ON
                                                                      Wiper dial position 4

    6        SB        Combination switch input 1                                                                                    F
                                                                                                                     PKIB3469E


    11       LG/R      Ignition switch (ACC)                ACC                     --             Battery voltage
                                                                                                                                    G


                                                                      Lighting, turn, wiper OFF                                      H
    32       GY/R      Combination switch output 5          ON
                                                                      Wiper dial position 4


                                                                                                                     PKIB3470E       I
    33        G        Combination switch output 4
    34       W/B       Combination switch output 3
                                                                                                                                     J
    35       W/G       Combination switch output 2                    Lighting, turn, wiper OFF
                                                            ON
                                                                      Wiper dial position 4

    36       W/R       Combination switch output 1                                                                                  LT
                                                                                                                     PKIB3471E


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

Terminals and Reference Values for IPDM E/R                                                                             AKS007MG


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

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

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

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


Revision: 2005 July                                              LT-15                                            2005 FX
                                           HEADLAMP - XENON TYPE -

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

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

How to Proceed With Trouble Diagnosis                                                                                       AKS007MH


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-16, "Preliminary Check" .
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
Preliminary Check                                                                                                           AKS007MI

CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSES
Check for blown fuses.
                     Unit                                     Power source                     Fuse and fusible link No.
                                                                                                          M
                                                                Battery
                                                                                                          22
                     BCM
                                                Ignition switch ON or START position                      1
                                                 Ignition switch ACC or ON position                       6
                                                                                                          72
                                                                                                          74
                 IPDM E/R                                       Battery
                                                                                                          76
                                                                                                          86

Refer to LT-11, "Wiring Diagram -- H/LAMP --" .
OK or NG
 OK      >> GO TO 2.
 NG      >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
            3, "POWER SUPPLY ROUTING CIRCUIT" .




Revision: 2005 July                                            LT-16                                                      2005 FX
                                            HEADLAMP - XENON TYPE -

2. CHECK POWER SUPPLY CIRCUIT                                                                       A
1.    Turn igintion switch OFF.
2.    Disconnect BCM connector.
3.    Check voltage between BCM harness connector and ground.                                       B

                   Terminal                          Ignition switch position
             (+)                                                                                    C
                  Terminal            (-)        OFF           ACC               ON
 Connector
                 (Wire color)
                                                              Battery        Battery                D
                   11 (LG/R)                Approx. 0V
                                                              voltage        voltage
      M3
                                                                             Battery
                   38 (W/L)                 Approx. 0V     Approx. 0V
                                                                             voltage                E
                                   Ground
                                                Battery       Battery        Battery
                   42 (L/R)
                                                voltage       voltage        voltage
      M4
                    55 (G)
                                                Battery       Battery        Battery                F
                                                voltage       voltage        voltage
OK or NG
 OK    >> GO TO 3.                                                                                 G
 NG    >> Repair harness or connector.

                                                                                       PKIB5197E
                                                                                                    H
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.                                          I
                               Terminal                                 Continuity
     Connector          Terminal (Wire color)           



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