2007 INFINITI FX35 Service Manual

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INFINITI FX35 2007 Service Manual WATER PUMP CO-51
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Revision: 2006 July 2007 FX35/FX45
WAT E R P U MPPFP:21020
ComponentsNBS005S0
Removal and InstallationNBS003KR
CAUTION:
When removin

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INFINITI FX35 2007 Service Manual CO-52
[VK45DE]
WATER PUMP
Revision: 2006 July 2007 FX35/FX45
INSPECTION AFTER REMOVAL
Visually check that there is no significant dirt or rusting on water
pump body and vane.
Make sure there is no

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INFINITI FX35 2007 Service Manual THERMOSTAT AND WATER CONTROL VALVE CO-53
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Revision: 2006 July 2007 FX35/FX45
THERMOSTAT AND WATER CONTROL VALVEPFP:21200
ComponentsNBS005S1
1. O-ring 2.

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INFINITI FX35 2007 Service Manual CO-54
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THERMOSTAT AND WATER CONTROL VALVE
Revision: 2006 July 2007 FX35/FX45
Refer to GI-11, "Components" for symbol marks in the figure.
Removal and InstallationNBS003KS
REMOVAL
1. Drain en

CO-54
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THERMOSTAT AND WATER CONTROL VALVE
Revision: 2006 July 2007 FX35/FX45
Refer to GI-11, "Components" for symbol marks in the figure.
Removal and InstallationNBS003KS
REMOVAL
1. Drain engine coolant from drain plugs on radiator and both side of cylinder block. Refer to CO-38, "Chang-
ing Engine Coolant" and EM-249, "DISASSEMBLY" .
CAUTION:
Perform this step when engine is cold.
Do not spill engine coolant on drive belts.
2. Remove engine cover with power tool. Refer to EM-173, "
ENGINE ROOM COVER" .
3. Remove air duct (inlet). Refer to EM-177, "
AIR CLEANER AND AIR DUCT" .
4. Disconnect water suction hose from water inlet.
5. Remove water inlet and thermostat. CAUTION:
Do not disassemble thermostat.
6. Remove intake manifolds (upper and lower). Refer to EM-179, "
INTAKE MANIFOLD" .
7. Disconnect radiator hose (upper) and water hoses from thermostat housing.
8. Disconnect heater hoses from water outlet and heater pipe.
9. Remove thermostat housing, water outlet pipe, water connector, water control valve, water outlet and heater pipe.
CAUTION:
Do not disassemble water control valve.
INSPECTION AFTER REMOVAL
Make sure that valves both in thermostat and water control valve are completely closing at normal temper-
ature.
Place a thread so that it is caught in the valves of the thermostat
and water control valve. Immerse fully in a container filled with
water. Heat while stirring. (The example in the figure shows ther-
mostat.)
The valve opening temperature is the temperature at which the
valve opens and falls from the thread.
Continue heating. Check the maximum valve lift.
NOTE:
The maximum valve lift standard temperature for water control
valve is the reference value.
After checking the maximum valve lift, lower the water tempera-
ture and check the valve closing temperature.
Standard values:
If the malfunctioning condition, when closing valve at normal temperature, or measured values are out of
the standard, replace thermostat and/or water control valve.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Be careful not to spill engine coolant over engine room. Use rag to absorb engine coolant.
D. To heater core E. To cylinder head (left bank) F. To cylinder head (right bank)
G. To intake manifold adapter
SLC252B
Thermostat Water control valve
Valve opening temperature 80 - 84 °C (176 - 183 °F) 93.5 - 96.5 °C (200 - 206 °F)
Maximum valve lift More than 10 mm/ 95
°C
(0.39 in/ 203 °F) More than 8 mm/ 108
°C
(0.315 in/ 226 °F)
Valve closing temperature 77 °C (171 °F) 90 °C (194 °F)

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INFINITI FX35 2007 Service Manual THERMOSTAT AND WATER CONTROL VALVE CO-55
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Revision: 2006 July 2007 FX35/FX45
Thermostat and Water Control Valve
Install thermostat and water control va

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INFINITI FX35 2007 Service Manual CO-56
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SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: 2006 July 2007 FX35/FX45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Standard and LimitNBS003KT
ENGINE COOLANT CAPACITY (APPROXIMATE)

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INFINITI FX35 2007 Service Manual DI-1
DRIVER INFORMATION SYSTEM
K ELECTRICAL
CONTENTS
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Revision: 2006 July 2007 FX35/FX45
DRIVER INFORMATION SYSTEM
PRECAUTION ..........................

DI-1
DRIVER INFORMATION SYSTEM
K ELECTRICAL
CONTENTS
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Revision: 2006 July 2007 FX35/FX45
DRIVER INFORMATION SYSTEM
PRECAUTION ............................................................ 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 4
COMBINATION METERS ...................................... ..... 5
System Description ............................................. ..... 5
UNIFIED METER CONTROL UNIT ................. ..... 5
UNIFIED METER AND A/C AMP. .................... ..... 5
POWER SUPPLY AND GROUND CIRCUIT ... ..... 5
SPEEDOMETER .............................................. ..... 6
TACHOMETER ................................................ ..... 6
WATER TEMPERATURE GAUGE ................... ..... 6
FUEL GAUGE .................................................. ..... 7
ODO/TRIP METER .......................................... ..... 7
COMBINATION METER ILLUMINATION CON-
TROL ................................................................ ..... 8
FAIL-SAFE ....................................................... ..... 8
Component Parts and Harness Connector Location ..... 9
Arrangement of Combination Meter .................... ... 10
Circuit Diagram ................................................... .... 11
Wiring Diagram — METER — ............................. ... 12
Terminals and Reference Value for Combination
Meter ................................................................... ... 14
Terminals and Reference Value for Unified Meter
and A/C Amp. ...................................................... ... 15
Self-Diagnosis Mode of Combination Meter ........ ... 15
SELF-DIAGNOSIS FUNCTION ....................... ... 15
OPERATION PROCEDURE ............................ ... 15
CONSULT-II Function (METER A/C AMP) .......... ... 16
Trouble Diagnosis ............................................... ... 16
HOW TO PERFORM TROUBLE DIAGNOSIS ... 16
PRELIMINARY CHECK ................................... ... 17
Symptom Chart ................................................... ... 17
Power Supply and Ground Circuit Inspection ..... ... 18
Vehicle Speed Signal Inspection ......................... ... 19
Engine Speed Signal Inspection ......................... ... 20
Engine Coolant Temperature Signal Inspection .. ... 21
Fuel Level Sensor Signal Inspection ................... ... 21
Fuel Gauge Pointer Fluctuates, Indicator Wrong
Value or Varies .................................................... ... 23 Fuel Gauge Does Not Move to FULL Position ....
... 23
Odo/Trip Meter and Illumination Control Switch
Inspection ............................................................ ... 24
Electrical Components Inspection ....................... ... 24
ODO/TRIP METER AND ILLUMINATION CON-
TROL SWITCH ................................................. ... 24
FUEL LEVEL SENSOR UNIT .......................... ... 24
Removal and Installation of Combination Meter .. ... 25
Disassembly and Assembly of Combination Meter ... 25
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
COMBINATION METER CONTROL FUNCTION ... 28
A/C AUTO AMP. FUNCTION ............................ ... 29
OTHER FUNCTIONS ....................................... ... 29
Schematic ............................................................ ... 30
CONSULT-II Function (METER A/C AMP) .......... ... 31
CONSULT-II BASIC OPERATION .................... ... 31
SELF-DIAG RESULTS ..................................... ... 31
DATA MONITOR .............................................. ... 32
Power Supply and Ground Circuit Inspection ...... ... 33
DTC [U1000] CAN Communication Circuit .......... ... 34
DTC [B2202] Meter Communication Circuit ........ ... 34
DTC [B2205] Vehicle Speed Circuit ..................... ... 37
Removal and Installation of Unified Meter and A/C
Amp. .................................................................... ... 37
REMOVAL ........................................................ ... 37
INSTALLATION ................................................ ... 37
WARNING LAMPS ................................................. ... 38
System Description .............................................. ... 38
OIL PRESSURE WARNING LAMP .................. ... 38
Schematic ............................................................ ... 39
Wiring Diagram — WARN — ............................... ... 40
Oil Pressure Warning Lamp Stays Off (Ignition
Switch ON) .......................................................... ... 48

Page 1248 of 4366

INFINITI FX35 2007 Service Manual DI-2Revision: 2006 July 2007 FX35/FX45
Oil Pressure Warning Lamp Does Not Turn Off (Oil
Pressure Is Normal) ............................................. ... 49
Component Inspection .............

DI-2Revision: 2006 July 2007 FX35/FX45
Oil Pressure Warning Lamp Does Not Turn Off (Oil
Pressure Is Normal) ............................................. ... 49
Component Inspection ......................................... ... 51
OIL PRESSURE SWITCH ................................ ... 51
A/T INDICATOR ..................................................... ... 52
System Description .............................................. ... 52
MANUAL MODE ............................................... ... 52
NOT MANUAL MODE ...................................... ... 52
Wiring Diagram — AT/IND — .............................. ... 53
A/T Indicator Is Malfunction ................................. ... 55
WARNING CHIME .................................................. ... 56
System Description .............................................. ... 56
POWER SUPPLY AND CIRCUIT ..................... ... 56
IGNITION KEY WARNING CHIME (WITHOUT
INTELLIGENT KEY) ......................................... ... 57
IGNITION KEY WARNING CHIME (WITH INTEL-
LIGENT KEY) ................................................... ... 57
LIGHT WARNING CHIME ................................ ... 58
SEAT BELT WARNING CHIME ........................ ... 58
Component Parts and Harness Connector Location ... 59
Schematic ............................................................ ... 60
Wiring Diagram — CHIME — .............................. ... 61
Terminals and Reference Value for BCM ............. ... 64
Terminals and Reference Value for Unified Meter
and A/C Amp. ...................................................... ... 65
Terminals and Reference Value for Combination
Meter ................................................................... ... 66
CONSULT-II Function (METER A/C AMP) .......... ... 66
CONSULT-II Function (BCM) ............................... ... 66
DIAGNOSIS ITEMS DESCRIPTION ................ ... 66
CONSULT-II BASIC OPERATION .................... ... 66
DATA MONITOR ............................................... ... 66
ACTIVE TEST .................................................. ... 67
SELF-DIAG RESULTS ..................................... ... 67
Trouble Diagnosis ................................................ ... 67
HOW TO PERFORM TROUBLE DIAGNOSIS . ... 67
PRELIMINARY INSPECTION .......................... ... 68
Symptom Chart .................................................... ... 68
Power Supply and Ground Circuit Inspection ...... ... 68
Combination Meter Buzzer Circuit Inspection ...... ... 69
Front Door Switch (Driver Side) Signal Inspection ... 71
Key Switch Signal Inspection (Without Intelligent
Key) ..................................................................... ... 72
Key Switch and Ignition Knob Switch Signal Inspec-
tion (With Intelligent Key, When Mechanical Key Is
Used) ................................................................... ... 73
Lighting Switch Signal Inspection ........................ ... 74
Seat Belt Buckle Switch (Driver Side) Signal Inspec-
tion ....................................................................... ... 75
Component Inspection ......................................... ... 76
FRONT DOOR SWITCH (DRIVER SIDE) ........ ... 76
KEY SWITCH ................................................... ... 76
KEY SWITCH AND IGNITION KNOB SWITCH ... 76
SEAT BELT BUCKLE SWITCH (DRIVER SIDE) ... 76
LANE DEPARTURE WARNING SYSTEM ............. ... 77
Precautions for Lane Departure Warning (LDW)
system ................................................................. ... 77
System Description .............................................. ... 77 LDW SYSTEM OPERATION ............................
... 77
POWER SUPPLY AND GROUND CIRCUIT .... ... 79
Action Test ........................................................... ... 80
LDW SYSTEM RUNNING TEST ...................... ... 80
Camera Aiming Adjustment ................................. ... 80
OUTLINE .......................................................... ... 80
PREPARATION ................................................. ... 80
TARGET SETTING ........................................... ... 80
VEHICLE HEIGHT CHECK .............................. ... 83
AIMING ADJUSTMENT .................................... ... 83
Component Parts and Harness Connector Location ... 87
Schematic ............................................................ ... 88
Wiring Diagram — LDW — .................................. ... 89
Terminals and Reference Value for LDW Camera
Unit ....................................................................... ... 92
CONSULT-II Function (LDW) ............................... ... 92
DESCRIPTION ................................................. ... 92
CONSULT-II BASIC OPERATION .................... ... 92
WORK SUPPORT ............................................ ... 92
SELF-DIAG RESULTS ...................................... ... 92
DATA MONITOR ............................................... ... 93
ACTIVE TEST ................................................... ... 94
Trouble Diagnosis ................................................ ... 95
HOW TO PERFORM TROUBLE DIAGNOSIS . ... 95
SYMPTOM CHART ........................................... ... 95
Preliminary Inspection .......................................... ... 95
Power Supply and Ground Circuit Inspection ...... ... 96
DTC [C1B00] CAMERA UNIT MALF ................... ... 97
DTC [C1B01] CAM AIMING INCMP .................... ... 97
DTC [C1B02] VHCL SPD DATA MALF ................ ... 97
DTC [C1B03] ABNRML TEMP DETECT ............. ... 98
DTC [U1000] CAN COMM CIRCUIT ................... ... 98
DTC [U1010] CONTROL UNIT (CAN) ................. ... 98
LDW Chime Circuit Inspection ............................. ... 98
LDW Switch Circuit Inspection ............................. ... 99
LDW Indicator Lamp Circuit Inspection ................ .102
Turn Signal Input Inspection ................................ .103
Electrical Component Inspection ......................... .103
LDW SWITCH ................................................... .103
Removal and Installation for LDW Camera Unit .. .104
REMOVAL ......................................................... .104
INSTALLATION ................................................. .104
Removal and Installation for LDW Chime ............ .104
REMOVAL ......................................................... .104
INSTALLATION ................................................. .104
Removal and Installation for LDW Switch ............ .104
CAN COMMUNICATION ........................................ .105
System Description .............................................. .105
CAN Communication Unit .................................... .105
COMPASS .............................................................. .106
Precautions for Compass ..................................... .106
System Description .............................................. .106
Troubleshooting ................................................... .107
Zone Variation Setting Procedure ........................ .108
Calibration Procedure .......................................... .108
Wiring Diagram — COMPAS — ........................... .109
Removal and Installation of Compass .................. .110
CLOCK ................................................................... . 111

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