Infiniti FX35 / FX45. Manual — part 281

CO-54

< SERVICE INFORMATION >

[VK45DE]

THERMOSTAT AND WATER CONTROL VALVE

• Install thermostat and water control valve with the whole circumfer-

ence of each flange part fit securely inside rubber ring. (The exam-
ple in the figure shows thermostat.)

• Install thermostat with jiggle valve facing upwards. (The position

deviation may be within the range of

±

10 degrees)

• Install water control valve with the up-mark facing up and the frame

center part facing upwards. (The position deviation may be within
the range of

±

10 degrees)

Water Outlet Pipe and Heater Pipe

First apply a neutral detergent to O-rings, then quickly insert the insertion parts of the water outlet pipe and
heater pipe into the installation holes.

INSPECTION AFTER INSTALLATION

• Check for leaks of engine coolant using radiator cap tester adapter (commercial service tool) and radiator

cap tester (commercial service tool). Refer to

CO-37, "Inspection"

.

• Start and warm up engine. Visually check if there is no leaks of engine coolant.

PBIC0157E

PBIC0158E

SERVICE DATA AND SPECIFICATIONS (SDS)

CO-55

< SERVICE INFORMATION >

[VK45DE]

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SERVICE DATA AND SPECIFICATIONS (SDS)

Standard and Limit

INFOID:0000000001325886

ENGINE COOLANT CAPACITY (APPROXIMATE)

Unit:

(US qt, Imp qt)

RADIATOR

Unit: kPa (kg/cm

2

, psi)

THERMOSTAT

WATER CONTROL VALVE

Engine coolant capacity [With reservoir tank at (“MAX” level)]

10.0 (10-5/8, 8-3/4)

Reservoir tank engine coolant capacity (at “MAX” level)

0.8 (7/8, 3/4)

Radiator cap relief pressure

Standard

78 - 98 (0.8 - 1.0, 11 - 14)

Limit

59 (0.6, 9)

Leakage testing pressure

157 (1.6, 23)

Valve opening temperature

80 - 84

°

C (176 - 183

°

F)

Maximum valve lift

More than 10 mm/95

°

C (0.39 in/203

°

F)

Valve closing temperature

77

°

C (171

°

F)

Valve opening temperature

93.5 - 96.5

°

C (200 - 206

°

F)

Maximum valve lift

More than 8 mm/108

°

C (0.315 in/226

°

F)

Valve closing temperature

90

°

C (194

°

F)

DI-1

ELECTRICAL

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SECTION

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CONTENTS

DRIVER INFORMATION SYSTEM

SERVICE INFORMATION . . . . . . .

3

DTC INDEX . . . . . . . . . . . . . . ..

3

U1000 - U1010 . . . . . . . . . . . . . . ..

3

B2202 - B2205 . . . . . . . . . . . . . . ..

3

C1B00 - C1B03 . . . . . . . . . . . . . .....

3

PRECAUTION . . . . . . . . . . . . . .

4

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . . ...

4

COMBINATION METERS . . . . . . . . ...

5

System Description . . . . . . . . . . . . ...

5

Component Parts and Harness Connector Loca-
tion . . . . . . . . . . . . . . . . . . ....

8

Arrangement of Combination Meter . . . . . . ..

9

Circuit Diagram . . . . . . . . . . . . . ...

10

Wiring Diagram - METER - . . . . . . . . . .

11

Terminal and Reference Value for Combination
Meter . . . . . . . . . . . . . . . . . ...

13

Terminal and Reference Value for Unified Meter
and A/C Amp . . . . . . . . . . . . . . ...

14

Self-Diagnosis Mode of Combination Meter . . .

14

CONSULT-III Function (METER/M&A) . . . . ...

15

Trouble Diagnosis . . . . . . . . . . . . ...

15

Symptom Chart . . . . . . . . . . . . . ...

16

Power Supply and Ground Circuit Inspection . . .

16

Vehicle Speed Signal Inspection . . . . . . . .

17

Engine Speed Signal Inspection . . . . . . . .

18

Engine Coolant Temperature Signal Inspection . ..

19

Fuel Level Sensor Signal Inspection . . . . . ...

19

Fuel Gauge Pointer Fluctuates, Indicator Wrong
Value or Varies . . . . . . . . . . . . . .

21

Fuel Gauge Does Not Move to FULL Position . .

21

Odo/Trip Meter and Illumination Control Switch In-
spection . . . . . . . . . . . . . . . . ...

21

Electrical Component Inspection . . . . . . . .

21

Removal and Installation of Combination Meter . .

22

Disassembly and Assembly of Combination Meter

.

23

Removal and Installation of Odo/Trip Meter and Il-
lumination Control Switch . . . . . . . . . .

24

UNIFIED METER AND A/C AMP . . . . . ..

26

System Description . . . . . . . . . . . . ..

26

Schematic . . . . . . . . . . . . . . . .

27

CONSULT-III Function (METER/M&A) . . . . .

27

Power Supply and Ground Circuit Inspection . . ..

29

DTC [U1000] CAN Communication Circuit . . . ..

30

DTC [B2202] Meter Communication Circuit . . .

30

DTC [B2205] Vehicle Speed Circuit . . . . . .

32

Removal and Installation of Unified Meter and A/C
Amp . . . . . . . . . . . . . . . . . . .

32

WARNING LAMPS . . . . . . . . . . .

34

System Description . . . . . . . . . . . . ..

34

Schematic . . . . . . . . . . . . . . . .

35

Wiring Diagram - WARN - . . . . . . . . . ...

36

Oil Pressure Warning Lamp Stays Off (Ignition
Switch ON) . . . . . . . . . . . . . . . ..

43

Oil Pressure Warning Lamp Does Not Turn Off
(Oil Pressure Is Normal) . . . . . . . . . . ..

45

Component Inspection . . . . . . . . . . . .

46

A/T INDICATOR . . . . . . . . . . . .

47

System Description . . . . . . . . . . . . ..

47

Wiring Diagram - AT/IND - . . . . . . . . . ...

48

A/T Indicator Is Malfunction . . . . . . . . . .

49

WARNING CHIME . . . . . . . . . . . .

51

System Description . . . . . . . . . . . . ..

51

Component Parts and Harness Connector Loca-
tion . . . . . . . . . . . . . . . . . . ...

53

Schematic . . . . . . . . . . . . . . . .

54

Wiring Diagram - CHIME - . . . . . . . . . ...

55

Terminal and Reference Value for BCM . . . . ..

57

Terminal and Reference Value for Unified Meter
and A/C Amp. . . . . . . . . . . . . . . ..

59

Terminal and Reference Value for Combination
Meter . . . . . . . . . . . . . . . . . ...

59

CONSULT-III Function (METER/M&A) . . . . .

60

DI-2

CONSULT-III Function (BCM) . . . . . . . ....

60

Trouble Diagnosis . . . . . . . . . . . . ...

61

Symptom Chart . . . . . . . . . . . . . ...

61

Power Supply and Ground Circuit Inspection . . .

61

Combination Meter Buzzer Circuit Inspection . . .

62

Front Door Switch (Driver Side) Signal Inspection ...

63

Key Switch Signal Inspection (Without Intelligent
Key) . . . . . . . . . . . . . . . . . ....

64

Key Switch and Ignition Knob Switch Signal In-
spection (With Intelligent Key, When Mechanical
Key Is Used) . . . . . . . . . . . . . . ...

65

Lighting Switch Signal Inspection . . . . . . ...

66

Seat Belt Buckle Switch (Driver Side) Signal In-
spection . . . . . . . . . . . . . . . . ..

66

Component Inspection . . . . . . . . . . ....

67

LANE DEPARTURE WARNING SYSTEM . .

69

Precaution for Lane Departure Warning (LDW)
system . . . . . . . . . . . . . . . . ....

69

System Description . . . . . . . . . . . . .

69

Action Test . . . . . . . . . . . . . . . ..

71

Camera Aiming Adjustment . . . . . . . . ....

71

Component Parts and Harness Connector Loca-
tion . . . . . . . . . . . . . . . . . . ..

76

Schematic . . . . . . . . . . . . . . . ...

77

Wiring Diagram - LDW - . . . . . . . . . . .

78

Terminal and Reference Value for LDW Camera
Unit . . . . . . . . . . . . . . . . . . .

81

CONSULT-III Function (LDW) . . . . . . . ....

81

Trouble Diagnosis . . . . . . . . . . . . ...

83

Preliminary Check . . . . . . . . . . . . ..

84

Power Supply and Ground Circuit Inspection . . .

84

DTC [C1B00] CAMERA UNIT MALF . . . . . ..

85

DTC [C1B01] CAM AIMING INCMP . . . . . ...

85

DTC [C1B02] VHCL SPD DATA MALF . . . . ..

85

DTC [C1B03] ABNRML TEMP DETECT . . . ....

86

DTC [U1000] CAN COMM CIRCUIT . . . . . ..

86

DTC [U1010] CONTROL UNIT (CAN) . . . . ....

86

LDW Chime Circuit Inspection . . . . . . . ....

86

LDW Switch Circuit Inspection . . . . . . . ...

88

LDW Indicator Lamp Circuit Inspection . . . . ..

90

Turn Signal Input Inspection . . . . . . . . ...

91

Electrical Component Inspection . . . . . . .

91

Removal and Installation for LDW Camera Unit . .

91

Removal and Installation for LDW Chime . . . ...

91

Removal and Installation for LDW Switch . . . ...

92

CAN COMMUNICATION . . . . . . . . ...

93

System Description . . . . . . . . . . . . .

93

CAN Communication Unit . . . . . . . . . ...

93

COMPASS . . . . . . . . . . . . . . .

94

Precaution for Compass . . . . . . . . . . .

94

System Description . . . . . . . . . . . . .

94

Troubleshooting . . . . . . . . . . . . . ..

94

Zone Variation Setting Procedure . . . . . . ...

95

Calibration Procedure . . . . . . . . . . . .

95

Wiring Diagram - COMPAS - . . . . . . . . ..

97

Removal and Installation of Compass . . . . .

97

CLOCK . . . . . . . . . . . . . . . ..

98

Wiring Diagram - CLOCK - . . . . . . . . . .

98

Removal and Installation of Clock . . . . . . ...

98

REAR VIEW MONITOR . . . . . . . . .

100

System Description . . . . . . . . . . . ...

100

Component Parts and Harness Connector Loca-
tion . . . . . . . . . . . . . . . . . .

101

Schematic . . . . . . . . . . . . . . . .

102

Wiring Diagram - R/VIEW - . . . . . . . . ...

103

Terminal and Reference Value for Rear View
Camera Control Unit . . . . . . . . . . . .

106

CONSULT-III Function (REARVIEW CAMERA) ...

106

Side Distance Guideline Correction . . . . . ..

107

Power Supply and Ground Circuit Inspection . ...

108

Rear View Is Not Displayed with the A/T Selector
Lever in R-Position . . . . . . . . . . . .

108

The Rear View Image Is Distorted . . . . . .

112

Removal and Installation of Rear View Camera
Control Unit . . . . . . . . . . . . . . ...

113

Removal and Installation of Rear View Camera ...

113