2004 INFINITI FX35 Service Manual

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INFINITI FX35 2004 Service Manual CO-52
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THERMOSTAT AND WATER CONTROL VALVE
Revision: 2004 November 2004 FX35/FX45
7. Disconnect radiator hose (upper) and water hoses from thermostat housing.
8. Disconnect heater hoses from wa

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INFINITI FX35 2004 Service Manual THERMOSTAT AND WATER CONTROL VALVE
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deviation may be

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INFINITI FX35 2004 Service Manual CO-54
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SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: 2004 November 2004 FX35/FX45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Standard and LimitABS006JQ
ENGINE COOLANT CAPACITY (APPROXIMA

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INFINITI FX35 2004 Service Manual DI-1
DRIVER INFORMATION SYSTEM
K ELECTRICAL
CONTENTS
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DRIVER INFORMATION SYSTEM
PRECAUTION ................................

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DRIVER INFORMATION SYSTEM
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CONTENTS
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DRIVER INFORMATION SYSTEM
PRECAUTION ............................................................ 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 3
Wiring Diagrams and Trouble Diagnosis .................. 3
COMBINATION METERS ........................................... 4
System Description .................................................. 4
UNIFIED METER CONTROL UNIT ...................... 4
UNIFIED METER AND A/C AMP. ......................... 4
HOW TO CHANGE THE DISPLAY FOR ODO/
TRIP METER ........................................................ 5
POWER SUPPLY AND GROUND CIRCUIT ........ 5
WATER TEMPERATURE GAUGE ........................ 6
TACHOMETER ..................................................... 6
FUEL GAUGE ....................................................... 6
SPEEDOMETER ................................................... 6
Component Parts and Harness Connector Location ..... 6
Combination Meter ................................................... 7
CHECK .................................................................. 7
Circuit Diagram ........................................................ 8
Wiring Diagram — METER — .................................. 9
Terminals and Reference Value for Combination
Meter ....................................................................... 11
Terminals and Reference Value for Unified Meter
and A/C Amp. ......................................................... 12
Meter/Gauge Operation and Odo/Trip Meter ......... 12
SELF-DIAGNOSIS FUNCTION .......................... 12
HOW TO ALTERNATE DIAGNOSIS MODE ....... 12
CONSULT-II Function ............................................ 13
How to Proceed With Trouble Diagnosis ................ 13
Diagnosis Flow ....................................................... 13
Power Supply and Ground Circuit Inspection ........ 15
Symptom Chart 1 ................................................... 16
Symptom Chart 2 ................................................... 16
Vehicle Speed Signal Inspection ............................ 17
Engine Speed Signal Inspection ............................ 18
Water Temperature Signal Inspection .................... 19
Fuel Level Sensor Signal Inspection 1 ................... 20
FUEL GAUGE ..................................................... 20
Fuel Level Sensor Signal Inspection 2 ................... 21LOW-FUEL WARNING LAMP ............................. 21
CAN Communication System Inspection ................ 22
Communication Line Inspection ............................. 22
Odo/Trip Meter and Illumination Control Switch
Inspection ............................................................... 24
Fuel Gauge Pointer Fluctuates, Indicator Wrong
Value or Varies ....................................................... 24
Fuel Gauge Does Not Move to FULL position ........ 25
Electrical Components Inspection .......................... 25
CHECK FUEL LEVEL SENSOR UNIT ................ 25
Removal and Installation ........................................ 26
COMBINATION METER ASSEMBLY .................. 26
Disassembly and Assembly for Combination Meter ... 26
DISASSEMBLY ................................................... 26
ASSEMBLY ......................................................... 27
Removal and Installation of Odo/Trip Meter and Illu-
mination Control Switch .......................................... 27
REMOVAL ........................................................... 27
INSTALLATION ................................................... 27
UNIFIED METER AND A/C AMP .............................. 28
System Description ................................................. 28
INPUT/OUTPUT SIGNALS ................................. 28
FAIL-SAFE .......................................................... 29
CAN Communication System Description .............. 29
CAN Communication Unit ....................................... 29
Schematic ............................................................... 30
CONSULT-II Function ............................................. 31
CONSULT-II BASIC OPERATION ....................... 31
SELF-DIAGNOSTIC RESULTS ........................... 32
DATA MONITOR ................................................. 32
Removal and Installation of Unified Meter and A/C
Amp. ....................................................................... 34
REMOVAL ........................................................... 34
INSTALLATION ................................................... 34
COMPASS ................................................................. 35
System Description ................................................. 35
DIRECTION DISPLAY ......................................... 35
Wiring Diagram – COMPAS – ................................ 37
Removal and Installation of Compass .................... 38
WARNING LAMPS .................................................... 39

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INFINITI FX35 2004 Service Manual DI-2Revision: 2004 November 2004 FX35/FX45Schematic ............................................................... 39
Wiring Diagram — WARN — .................................. 40
Oil Pressure W

DI-2Revision: 2004 November 2004 FX35/FX45Schematic ............................................................... 39
Wiring Diagram — WARN — .................................. 40
Oil Pressure Warning Lamp Stays Off (Ignition
Switch ON) ............................................................. 48
Oil Pressure Warning Lamp Does Not Turn Off (Oil
Pressure Is Normal) ................................................ 49
Component Inspection ............................................ 50
OIL PRESSURE SWITCH ................................... 50
A/T INDICATOR ........................................................ 51
Wiring Diagram — AT/IND — ................................. 51
A/T Indicator Is Malfunction .................................... 53
WARNING CHIME ..................................................... 55
Component Parts and Harness Connector Location ... 55
System Description ................................................. 55
FUNCTION .......................................................... 55
IGNITION KEY WARNING CHIME (WITHOUT
INTELLIGENT KEY) ............................................ 56
IGNITION KEY WARNING CHIME (WITH INTEL-
LIGENT KEY) ...................................................... 56
LIGHT WARNING CHIME ................................... 57
SEAT BELT WARNING CHIME ........................... 57
CAN Communication System Description .............. 57
CAN Communication Unit ....................................... 57
Schematic ............................................................... 58
Wiring Diagram — CHIME — ................................. 59
Terminals and Reference Value for BCM ................ 62
Terminals and Reference Value for Unified Meter
and A/C Amp. ......................................................... 63
Terminals and Reference Value for Combination
Meter ...................................................................... 64
How to Proceed With Trouble Diagnosis ................ 64
Preliminary Check .................................................. 65
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................... 65
CONSULT-II Function ............................................. 66
DIAGNOSTIC ITEMS DESCRIPTION ................. 66
CONSULT-II BASIC OPERATION PROCEDURE
... 66
DATA MONITOR .................................................. 67
ACTIVE TEST ..................................................... 67
SELF-DIAGNOSTIC RESULTS ........................... 67
All Warnings Are Not Operated .............................. 68
Key Warning Chime and Light Warning Chime Does
Not Operate (Seat Belt Warning Chime Does Oper-ate) .......................................................................... 69
Key Warning Chime Does Not Operate (Without
Intelligent Key) ........................................................ 70
Key Warning Chime Does Not Operate (With Intel-
ligent Key, When Mechanical Key Is Used) ............ 72
Key Warning Chime Does Not Operate (With Intel-
l i g e n t K e y , W h e n I n t e l l i g e n t K e y I s C a r r i e d W i t h T h e
Driver) ..................................................................... 74
Light Warning Chime Does Not Operate ................. 76
Seat Belt Warning Chime Does Not Operate .......... 77
CLOCK ...................................................................... 79
Wiring Diagram — CLOCK — ................................. 79
Removal and Installation of Clock ........................... 80
REMOVAL ............................................................ 80
INSTALLATION .................................................... 80
REAR VIEW MONITOR ............................................. 81
System Description ................................................. 81
POWER SUPPLY AND GROUND ....................... 81
AV COMMUNICATION LINE ............................... 81
REAR VIEW CAMERA OPERATION .................. 81
Component Parts and Harness Connector Location ... 82
Schematic ............................................................... 83
Wiring Diagram — R/VIEW — ................................ 84
Terminals and Reference Value for Rear View Cam-
era Control Unit ....................................................... 87
CONSULT-II Function ............................................. 87
CONSULT-II BASIC OPERATION ....................... 87
WORK SUPPORT ............................................... 88
DATA MONITOR .................................................. 89
Side Distance Guideline Correction ........................ 89
SIDE DISTANCE GUIDELINE CORRECTION
PROCEDURE ...................................................... 89
Power Supply and Ground Circuit Inspection ......... 91
Rear View Is Not Displayed With The A/T Selector
Lever In R-position .................................................. 92
The Rear View Image Is Distorted .......................... 96
Removal and Installation of Rear View Camera Con-
trol Unit .................................................................... 97
REMOVAL ............................................................ 97
INSTALLATION .................................................... 97
Removal and Installation of Rear View Camera ..... 97
REMOVAL ............................................................ 97
INSTALLATION .................................................... 98

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INFINITI FX35 2004 Service Manual PRECAUTION
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Revision: 2004 November 2004 FX35/FX45
PRECAUTION PFP:00011
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER�

PRECAUTION
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Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
AKS0054B
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:
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.
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.
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.
Wiring Diagrams and Trouble Diagnosis AKS0054D
When you read wiring diagrams, refer to the following:
Refer to GI-15, "How to Read Wiring Diagrams" .
Refer toPG-3, "POWER SUPPLY ROUTING CIRCUIT" for power distribution circuit.
When you perform trouble diagnosis, refer to the following:
Refer to GI-11, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES" .
Refer to GI-27, "How to Perform Efficient Diagnosis for an Electrical Incident" .

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INFINITI FX35 2004 Service Manual DI-4
COMBINATION METERS
Revision: 2004 November 2004 FX35/FX45
COMBINATION METERSPFP:24814
System DescriptionAKS005MH
UNIFIED METER CONTROL UNIT
Speedometer, odo/trip meter, tachometer, fuel gauge an

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INFINITI FX35 2004 Service Manual COMBINATION METERS
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HOW TO CHANGE THE DISPLAY FOR ODO/TRIP METER
The vehicle speed signal and the memory signals from the meter me

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