Infiniti FX35 / FX45. Manual - part 478

 

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Infiniti FX35 / FX45. Manual - part 478

 

 

TROUBLE DIAGNOSIS

EC-673

< SERVICE INFORMATION >

[VK45DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Symptom Matrix Chart

INFOID:0000000001326526

SYSTEM — BASIC ENGINE CONTROL SYSTEM

SYMPTOM

Reference 
page

HARD/NO ST

AR

T/REST

AR

T (EX

C

P

. HA)

ENGINE ST

ALL

HESI

T

A

TI

ON/

S

URGI

N

G/

FLA

T SPOT

SP

ARK KNOCK/

DET

O

NA

TION

LACK OF P

O

WER/POOR ACCELE

RA

TION

HIGH I

D

L

E/L

OW IDL

E

ROUGH IDLE

/HUNTING

IDL

ING VIB

R

A

T

IO

N

SLOW/NO RETURN T

O

 IDLE

OVERHEA

T

S/W

A

TER TEMPERA

T

URE HIGH

EX

C

E

SSIVE FUEL CONSUMP

T

ION

EX

C

E

SSIVE OI

CONSUMP

T

ION

BA

TTER

Y DE

AD (UNDER CHARGE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA

Fuel

Fuel  pump  circuit

1

1

2

3

2

2

2

3

2

EC-1155

Fuel  pressure  regulator  system

3

3

4

4

4

4

4

4

4

4

EC-665

Fuel  injector  circuit

1

1

2

3

2

2

2

2

EM-190

Evaporative  emission  system

3

3

4

4

4

4

4

4

4

4

EC-618

Air

Positive crankcase ventilation sys-
tem

3

3

4

4

4

4

4

4

4

4

1

EC-629

Incorrect idle speed adjustment

1

1

1

1

1

EC-658

Electric  throttle  control  actuator

1

1

2

3

3

2

2

2

2

2

2

EC-1092

EC-1102

Ignition

Incorrect  ignition  timing  adjustment

3

3

1

1

1

1

1

1

EC-658

Ignition  circuit

1

1

2

2

2

2

2

2

EC-1166

Main  power  supply  and  ground  circuit

2

2

3

3

3

3

3

2

3

EC-718

Mass air flow sensor circuit

1

1

2

2

2

2

2

2

EC-761

EC-768

,

Engine coolant temperature sensor circuit

3

3

3

EC-779

EC-790

A/F sensor 1 circuit

EC-798

EC-806

EC-814

EC-822

EC-1129

Throttle position sensor circuit

2

2

EC-784

EC-889

EC-1041

EC-1043

EC-1116

Accelerator pedal position sensor circuit

3

2

1

EC-1009

EC-1104

EC-1110

EC-1122

Knock sensor circuit

2

3

EC-902

Crankshaft position sensor (POS) circuit

2

2

EC-906

Camshaft position sensor (PHASE) circuit

3

2

EC-911

EC-674

< SERVICE INFORMATION >

[VK45DE]

TROUBLE DIAGNOSIS

1 - 6: The numbers refer to the order of inspection.

(continued on next page)

SYSTEM — ENGINE MECHANICAL & OTHER

Vehicle speed signal circuit

2

3

3

3

EC-992

Power steering pressure sensor circuit

2

3

3

EC-998

ECM

2

2

3

3

3

3

3

3

3

3

3

EC-1003

EC-1007

Intake valve timing control solenoid valve cir-
cuit

3

2

1

3

2

2

3

3

EC-754

PNP switch circuit

3

3

3

3

3

EC-1014

Refrigerant pressure sensor circuit

2

3

3

4

EC-1177

Electrical load signal circuit

3

EC-1147

Air  conditioner  circuit

2

2

3

3

3

3

3

3

3

3

2

ATC-32

VIAS control solenoid valve circuit

1

EC-1080

ABS actuator and electric unit (control unit)

4

EC-1028

SYMPTOM

Reference 
page

HARD/NO S

T

A

R

T/RES

T

A

R

T (E

XCP

. HA)

E

N

GINE

 ST

ALL

HES

IT

A

TION/SURGING/FLA

T

 SPOT

S

P

ARK KNOC

K

/DET

O

NA

TI

ON

LACK OF 

POWER/POOR ACCELERA

TION

HIG

H

 IDL

E

/L

OW

 ID

LE

ROUGH IDLE/HUNTING

ID

LING VI

BRA

T

ION

S

L

OW/NO RETU

RN 

T

O ID

LE

OVERHEA

T

S

/W

A

TER TEMPERA

T

URE HIG

H

E

XCESSIVE

 FUEL CON

S

UMP

T

ION

E

XCESSIVE

 OIL 

C

O

NSUMP

T

ION

B

A

TTER

DEAD (UNDER CHARGE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA

TROUBLE DIAGNOSIS

EC-675

< SERVICE INFORMATION >

[VK45DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

SYMPTOM

Reference 
page

HARD/NO ST

AR

T/REST

AR

T (EXCP

HA)

E

N

GI

N

E

 ST

AL

L

HESIT

A

TION/S

U

R

GING/F

LA

T SP

OT

SP

ARK KNOCK/DE

T

O

NA

TION

LACK OF POWE

R/POOR

 ACCELERA

TIO

N

HIGH IDL

E

/L

OW

 IDL

E

ROUG

H IDLE/HU

NTING

IDL

ING VIBRA

T

ION

SLO

W

/NO RETURN T

O

 IDLE

OVERHEA

T

S/W

A

TE

R

 TEMPERA

T

URE 

HIGH

EXCES

SIVE F

U

EL CONSUMP

T

ION

EXCES

SIVE OI

L CONSUMP

T

IO

N

BA

TTE

R

DEAD (UN

D

E

R

 CH

A

R

GE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA

Fuel

Fuel tank

5

5

FL-10

Fuel piping

5

5

5

5

5

5

EM-190

Vapor lock

Valve deposit

5

5

5

5

5

5

5

Poor fuel (Heavy weight gasoline, 
Low octane)

Air

Air duct

5

5

5

5

5

5

EM-173

Air cleaner

EM-173

Air leakage from air duct
(Mass air flow sensor — electric 
throttle control actuator)

5

5

5

5

EM-173

Electric throttle control actuator

EM-175

Air leakage from intake manifold/
Collector/Gasket

EM-175

Cranking

Battery

1

1

1

1

1

1

1

1

SC-4

Generator circuit

SC-19

Starter circuit

3

SC-8

Signal plate

6

EM-241

PNP switch

4

AT-102

Engine

Cylinder head

5

5

5

5

5

5

5

5

EM-226

Cylinder head gasket

4

3

Cylinder block

6

6

6

6

6

6

6

6

4

EM-241

Piston

Piston ring

Connecting rod

Bearing

Crankshaft

Valve 
mecha-
nism

Timing chain

5

5

5

5

5

5

5

5

EM-199

Camshaft

EM-211

Intake valve timing control

EM-199

Intake valve

3

EM-199

Exhaust valve

EC-676

< SERVICE INFORMATION >

[VK45DE]

TROUBLE DIAGNOSIS

1 - 6: The numbers refer to the order of inspection.

Exhaust

Exhaust manifold/Tube/Muffler/
Gasket

5

5

5

5

5

5

5

5

EM-179

EX-3

Three way catalyst

Lubrica-
tion

Oil pan/Oil strainer/Oil pump/Oil 
filter/Oil gallery/Oil cooler

5

5

5

5

5

5

5

5

EM-183

LU-29

LU-

26

LU-27

Oil level (Low)/Filthy oil

LU-23

Cooling

Radiator/Hose/Radiator filler cap

5

5

5

5

5

5

5

4

5

CO-40

CO-44

Thermostat

5

CO-52

Water pump

CO-50

Water gallery

CO-36

Cooling fan

5

CO-48

Coolant level (Low)/Contaminat-
ed coolant

CO-37

IVIS (INFINITI Vehicle Immobilizer System — 
NATS)

1

1

EC-631

 or 

BL-185

SYMPTOM

Reference 
page

HARD/NO S

T

A

R

T/RES

T

A

R

T (E

XCP

. HA)

E

N

GINE

 ST

ALL

HES

IT

A

TION/SURGING/FLA

T

 SPOT

S

P

ARK KNOC

K

/DET

O

NA

TI

ON

LACK OF 

POWER/POOR ACCELERA

TION

HIG

H

 IDL

E

/L

OW

 ID

LE

ROUGH IDLE/HUNTING

ID

LING VI

BRA

T

ION

S

L

OW/NO RETU

RN 

T

O ID

LE

OVERHEA

T

S

/W

A

TER TEMPERA

T

URE HIG

H

E

XCESSIVE

 FUEL CON

S

UMP

T

ION

E

XCESSIVE

 OIL 

C

O

NSUMP

T

ION

B

A

TTER

DEAD (UNDER CHARGE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA

 

 

 

 

 

 

 

Content   ..  476  477  478  479   ..