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DRIVER INFORMATION SYSTEM


K ELECTRICAL

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                                                           DRIVER INFORMATION SYSTEM
                                                                                                             SECTION                     DI                          B



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                                                                  CONTENTS
PRECAUTION ........................................................... 4 .         Fuel Gauge Does Not Move to FULL Position ...... 23                     .         F
 Precautions for Supplemental Restraint System                                     Odo/Trip Meter and Illumination Control Switch
 (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                           Inspection .............................................................. 24
                                                                                                                                                           .
 SIONER" ................................................................. 4
                                                                         .         Electrical Components Inspection ......................... 24           .         G
COMBINATION METERS .......................................... 5          .           ODO/TRIP METER AND ILLUMINATION CON-
 System Description ................................................. 5  .           TROL SWITCH ................................................... 24    .
   UNIFIED METER CONTROL UNIT ..................... 5                    .           FUEL LEVEL SENSOR UNIT ............................ 24                .
                                                                                                                                                                     H
   UNIFIED METER AND A/C AMP. ........................ 5                 .         Removal and Installation of Combination Meter .... 25                   .
   POWER SUPPLY AND GROUND CIRCUIT ....... 5                             .         Disassembly and Assembly of Combination Meter 25                        ...
   SPEEDOMETER .................................................. 6      .           DISASSEMBLY .................................................. 26     .
   TACHOMETER .................................................... 6     .           ASSEMBLY ........................................................ 27  .         I
   WATER TEMPERATURE GAUGE ....................... 6                     .         Removal and Installation of Odo/Trip Meter and Illu-
   FUEL GAUGE ...................................................... 7   .         mination Control Switch ......................................... 27    .
   ODO/TRIP METER .............................................. 7       .           REMOVAL .......................................................... 27 .         J
   COMBINATION METER ILLUMINATION CON-                                               INSTALLATION .................................................. 27    .
   TROL .................................................................... 8
                                                                         .        UNIFIED METER AND A/C AMP ............................. 28               .
   FAIL-SAFE ........................................................... 8
                                                                         .         System Description ................................................ 28  .
                                                                                                                                                                    DI
 Component Parts and Harness Connector Location 9                        .....       COMBINATION METER CONTROL FUNCTION 28                                 ...
 Arrangement of Combination Meter ...................... 10              .           A/C AUTO AMP. FUNCTION .............................. 29              .
 Circuit Diagram ......................................................11.           OTHER FUNCTIONS ......................................... 29          .
 Wiring Diagram -- METER -- ............................... 12           .         Schematic .............................................................. 30
                                                                                                                                                           .         L
 Terminals and Reference Value for Combination                                     CONSULT-II Function (METER A/C AMP) ............ 31                     .
 Meter ..................................................................... 14
                                                                         .           CONSULT-II BASIC OPERATION ...................... 31                  .
 Terminals and Reference Value for Unified Meter                                     SELF-DIAG RESULTS ....................................... 31          .         M
 and A/C Amp. ........................................................ 15.           DATA MONITOR ................................................ 32      .
 Self-Diagnosis Mode of Combination Meter .......... 15                  .         Power Supply and Ground Circuit Inspection ........ 33                  .
   SELF-DIAGNOSIS FUNCTION ......................... 15                  .         DTC [U1000] CAN Communication Circuit ............ 34                   .
   OPERATION PROCEDURE .............................. 15                 .         DTC [B2202] Meter Communication Circuit .......... 34                   .
 CONSULT-II Function (METER A/C AMP) ............ 16                     .         DTC [B2205] Vehicle Speed Circuit ....................... 37            .
 Trouble Diagnosis ................................................. 16  .         Removal and Installation of Unified Meter and A/C
   HOW TO PERFORM TROUBLE DIAGNOSIS ... 16                                         Amp. ...................................................................... 37
                                                                                                                                                           .
   PRELIMINARY CHECK ..................................... 17            .           REMOVAL .......................................................... 37 .
 Symptom Chart ..................................................... 17  .           INSTALLATION .................................................. 37    .
 Power Supply and Ground Circuit Inspection ....... 18                   .        WARNING LAMPS ................................................... 38     .
 Vehicle Speed Signal Inspection ........................... 19          .         System Description ................................................ 38  .
 Engine Speed Signal Inspection ........................... 20           .           OIL PRESSURE WARNING LAMP .................... 38                     .
 Engine Coolant Temperature Signal Inspection .... 21                    .         Schematic .............................................................. 39
                                                                                                                                                           .
 Fuel Level Sensor Signal Inspection ..................... 21            .         Wiring Diagram -- WARN -- ................................. 40          .
 Fuel Gauge Pointer Fluctuates, Indicator Wrong                                    Oil Pressure Warning Lamp Stays Off (Ignition
 Value or Varies ...................................................... 23
                                                                         .         Switch ON) ............................................................ 48
                                                                                                                                                           .


Revision: 2006 December                                                      DI-1                                                        2006 FX35/FX45
 Oil Pressure Warning Lamp Does Not Turn Off (Oil                                       LDW SYSTEM OPERATION ..............................80                    .
 Pressure Is Normal) ............................................... 49     .           POWER SUPPLY AND GROUND CIRCUIT ......82                                 .
 Component Inspection ........................................... 51        .         Action Test .............................................................83.
    OIL PRESSURE SWITCH .................................. 51               .           LDW SYSTEM RUNNING TEST ........................83                       .
A/T INDICATOR ....................................................... 52    .         Camera Aiming Adjustment ...................................83             .
 System Description ................................................ 52     .           OUTLINE ............................................................83   .
    MANUAL MODE ................................................. 52        .           PREPARATION ...................................................83        .
    NOT MANUAL MODE ........................................ 52             .           TARGET SETTING .............................................83           .
 Wiring Diagram -- AT/IND -- ................................ 53            .           VEHICLE HEIGHT CHECK ................................86                  .
 A/T Indicator Is Malfunction ................................... 55        .           AIMING ADJUSTMENT ......................................86               .
WARNING CHIME .................................................... 56       .         Component Parts and Harness Connector Location                             ...90
 System Description ................................................ 56     .         Schematic ..............................................................91 .
    POWER SUPPLY AND CIRCUIT ....................... 56                     .         Wiring Diagram -- LDW -- ....................................92            .
    IGNITION KEY WARNING CHIME (WITHOUT                                               Terminals and Reference Value for LDW Camera
    INTELLIGENT KEY) ........................................... 57         .         Unit .........................................................................95
                                                                                                                                                                 .
    IGNITION KEY WARNING CHIME (WITH INTEL-                                           CONSULT-II Function (LDW) .................................95              .
    LIGENT KEY) ..................................................... 57    .           DESCRIPTION ...................................................95        .
    LIGHT WARNING CHIME .................................. 58               .           CONSULT-II BASIC OPERATION ......................95                      .
    SEAT BELT WARNING CHIME .......................... 58                   .           WORK SUPPORT ..............................................95            .
 Component Parts and Harness Connector Location 59                          ...         SELF-DIAG RESULTS ........................................95             .
 Schematic .............................................................. 60.           DATA MONITOR .................................................96         .
 Wiring Diagram -- CHIME -- ................................ 61             .           ACTIVE TEST .....................................................97      .
 Terminals and Reference Value for BCM ............... 64                   .         Trouble Diagnosis ..................................................98     .
 Terminals and Reference Value for Unified Meter                                        HOW TO PERFORM TROUBLE DIAGNOSIS ...98
 and A/C Amp. ........................................................ 68   .           SYMPTOM CHART .............................................98            .
 Terminals and Reference Value for Combination                                        Preliminary Inspection ............................................98      .
 Meter ..................................................................... 69
                                                                            .         Power Supply and Ground Circuit Inspection ........99                      .
 CONSULT-II Function (METER A/C AMP) ............ 69                        .         DTC [C1B00] CAMERA UNIT MALF ................... 100                       .
 CONSULT-II Function (BCM) ................................. 69             .         DTC [C1B01] CAM AIMING INCMP .................... 100                      .
    DIAGNOSIS ITEMS DESCRIPTION .................. 69                       .         DTC [C1B02] VHCL SPD DATA MALF ................ 100                        .
    CONSULT-II BASIC OPERATION ...................... 69                    .         DTC [C1B03] ABNRML TEMP DETECT ............. 101                           .
    DATA MONITOR ................................................. 69       .         DTC [U1000] CAN COMM CIRCUIT ................... 101                       .
    ACTIVE TEST .................................................... 70     .         DTC [U1010] CONTROL UNIT (CAN) ................. 101                       .
    SELF-DIAG RESULTS ....................................... 70            .         LDW Chime Circuit Inspection ............................. 101             .
 Trouble Diagnosis .................................................. 70    .         LDW Switch Circuit Inspection ............................. 102            .
    HOW TO PERFORM TROUBLE DIAGNOSIS ... 70                                           LDW Indicator Lamp Circuit Inspection ................ 105                 .
    PRELIMINARY INSPECTION ............................ 71                  .         Turn Signal Input Inspection ................................ 106          .
 Symptom Chart ...................................................... 71    .         Electrical Component Inspection ......................... 106              .
 Power Supply and Ground Circuit Inspection ........ 71                     .           LDW SWITCH ................................................... 106       .
 Combination Meter Buzzer Circuit Inspection ........ 72                    .         Removal and Installation for LDW Camera Unit .. 107                        .
 Front Door Switch (Driver Side) Signal Inspection... 74                                REMOVAL ......................................................... 107    .
 Key Switch Signal Inspection (Without Intelligent                                      INSTALLATION ................................................. 107       .
 Key) ....................................................................... 75
                                                                            .         Removal and Installation for LDW Chime ............ 107                    .
 Key Switch and Ignition Knob Switch Signal Inspec-                                     REMOVAL ......................................................... 107    .
 tion (With Intelligent Key, When Mechanical Key Is                                     INSTALLATION ................................................. 107       .
 Used) ..................................................................... 76
                                                                            .         Removal and Installation for LDW Switch ............ 107                   .
 Lighting Switch Signal Inspection .......................... 77            .        CAN COMMUNICATION ........................................ 108              .
 Seat Belt Buckle Switch (Driver Side) Signal Inspec-                                 System Description .............................................. 108      .
 tion ......................................................................... 78
                                                                            .         CAN Communication Unit .................................... 108            .
 Component Inspection ........................................... 79        .        COMPASS .............................................................. 109  .
    FRONT DOOR SWITCH (DRIVER SIDE) .......... 79                           .         Precautions for Compass ..................................... 109          .
    KEY SWITCH ..................................................... 79     .         System Description .............................................. 109      .
    KEY SWITCH AND IGNITION KNOB SWITCH... 79                                         Troubleshooting ................................................... 110    .
    SEAT BELT BUCKLE SWITCH (DRIVER SIDE) 79                                ...       Zone Variation Setting Procedure ........................ 111              .
LANE DEPARTURE WARNING SYSTEM ............... 80                            .         Calibration Procedure .......................................... 111       .
 Precautions for Lane Departure Warning (LDW)                                         Wiring Diagram -- COMPAS -- ........................... 112                .
 system ................................................................... 80
                                                                            .         Removal and Installation of Compass .................. 113                 .
 System Description ................................................ 80     .        CLOCK ................................................................... 114
                                                                                                                                                                 .


Revision: 2006 December                                                         DI-2                                                         2006 FX35/FX45
 Wiring Diagram -- CLOCK -- ..............................114        .           WORK SUPPORT ............................................ 123          .
 Removal and Installation of Clock ........................115       .           DATA MONITOR .............................................. 123        .        A
   REMOVAL .........................................................115
                                                                     .         Side Distance Guideline Correction ..................... 124             .
   INSTALLATION .................................................115 .           SIDE DISTANCE GUIDELINE CORRECTION
REAR VIEW MONITOR ..........................................116      .           PROCEDURE .................................................. 124       .        B
 System Description ..............................................116.         Power Supply and Ground Circuit Inspection ...... 126                    .
   POWER SUPPLY AND GROUND ....................116                   .         Rear View Is Not Displayed With The A/T Selector
   AV COMMUNICATION LINE .............................116            .         Lever In R-Position .............................................. 127   .
   REAR VIEW CAMERA OPERATION ................116                    .         The Rear View Image Is Distorted ....................... 131             .        C
 Component Parts and Harness Connector Location                      ..117     Removal and Installation of Rear View Camera Con-
 Schematic ............................................................118
                                                                     .         trol Unit ................................................................ 132
                                                                                                                                                        .
 Wiring Diagram -- R/VIEW -- .............................119        .           REMOVAL ........................................................ 132   .        D
 Terminals and Reference Value for Rear View Cam-                                INSTALLATION ................................................ 132      .
 era Control Unit ................................................... 122
                                                                     .         Removal and Installation of Rear View Camera .. 133                      .
 CONSULT-II Function (REARVIEW CAMERA) ... 123                       .           REMOVAL ........................................................ 133   .        E
   CONSULT-II BASIC OPERATION .................... 123               .           INSTALLATION ................................................ 133      .


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Revision: 2006 December                                                 DI-3                                                        2006 FX35/FX45
                                               PRECAUTION

PRECAUTION                                                          PFP:00011

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"                                                                                           NKS002ZB


The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along
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
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:
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.
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.
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.




Revision: 2006 December                                DI-4                                       2006 FX35/FX45
                                       COMBINATION METERS

COMBINATION METERS                                                                                       PFP:24814
                                                                                                                         A
System Description                                                                                           NKS002ZC

UNIFIED METER CONTROL UNIT
q   Speedometer, odo/trip meter, tachometer, fuel gauge and water temperature gauge are controlled by the                B
    unified meter control unit, which is built into the combination meter. Unified meter control unit receives sig-
    nals from unified meter and A/C amp.
q   Warning lamp and indicator lamp of combination meter are controlled by signals drawn from the unified
    meter and A/C amp.                                                                                                   C
q   Odo/trip meter, shift position indicator and ICC system display segments can be checked in self-diagnosis
    mode.
                                                                                                                         D
q   Meters/gauges can be checked in self-diagnosis mode.
UNIFIED METER AND A/C AMP.
Refer to DI-28, "COMBINATION METER CONTROL FUNCTION" in "UNIFIED METER AND A/C AMP".                                     E
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times
                                                                                                                         F
q   through 10A fuse [No. 19, located in the fuse block (J/B)]
q   to combination meter terminal 8, and
q   to unified meter and A/C amp. terminal 21.                                                                           G
With the ignition switch in the ON or START position, power is supplied
q   through 10A fuse [No. 14, located in the fuse block (J/B)]
q   to combination meter terminal 7,                                                                                     H
q   through 10A fuse [No. 12, located in the fuse block (J/B)]
q   to unified meter and A/C amp. terminal 22.
With the ignition switch in the ACC or ON position, power is supplied                                                    I
q   through 10A fuse [No. 6, located in the fuse block (J/B)]
q   to combination meter terminal 4,
                                                                                                                         J
q   through 15A fuse [No. 10, located in the fuse block (J/B)], and
q   through 15A fuse [No. 11, located in the fuse block (J/B)]
q   to unified meter and A/C amp. terminal 46.                                                                          DI
Ground is supplied
q   to combination meter terminals 5, 6 and 15
q   through grounds M35, M45 and M85,                                                                                    L
q   to unified meter and A/C amp. terminals 29 and 30
q   through grounds M35, M45 and M85.
                                                                                                                         M




Revision: 2006 December                               DI-5                                       2006 FX35/FX45
                                      COMBINATION METERS

SPEEDOMETER
The speedometer indicates the vehicle speed.
q   ABS actuator and electric unit (control unit) provides a vehicle speed signal to the unified meter and A/C
    amp. with CAN communication.
q   Unified meter and A/C amp. converts the vehicle speed signal to the 8-pulse signal, and outputs the vehi-
    cle speed signal (8-pulse) to combination meter.
q   Combination meter indicates the vehicle speed according to vehicle speed signal (8-pulse) signal.




                                                                                                    SKIB7332E


TACHOMETER
The tachometer indicates engine speed in revolutions per minute (rpm).
q   ECM provides engine speed signal to unified meter and A/C amp. with CAN communication.
q   Unified meter and A/C amp. transmits engine speed signal to combination meter with communication line.
q   Combination meter indicates the engine speed according to engine speed signal.




                                                                                                    PKIB7631E


WATER TEMPERATURE GAUGE
The water temperature gauge indicates the engine coolant temperature.
q   ECM provides engine coolant temperature signal to unified meter and A/C amp. with CAN communica-
    tion.
q   Unified meter and A/C amp. transmits engine coolant temperature signal to combination meter with com-
    munication line.
q   Combination meter indicates the engine coolant temperature according to engine coolant temperature
    signal.




                                                                                                    PKIB7632E




Revision: 2006 December                             DI-6                                     2006 FX35/FX45
                                       COMBINATION METERS

FUEL GAUGE
The fuel gauge indicates the approximate fuel level in the fuel tank.                                               A
q   Unified meter and A/C amp. reads a resistor signal from fuel level sensor.
Signal is supplied
                                                                                                                    B



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