Infiniti G35 (V35). Manual - part 303

TROUBLE DIAGNOSIS

EC-93

C

D

E

F

G

H

I

J

K

L

M

A

EC

*: For models with M/T.
1 - 6: The numbers refer to the order of inspection.
(continued on next page)

ECM

2

2

3

3

3

3

3

3

3

3

3

EC-492

, 

EC-496

Intake valve timing control solenoid valve cir-
cuit

3

2

1

3

2

2

3

3

EC-191

Exhaust valve timing control magnet retarder 
circuit*

3

2

1

3

2

2

3

3

EC-171

Park/neutral position (PNP) switch circuit

3

3

3

3

3

EC-504

Refrigerant pressure sensor circuit

2

3

3

4

EC-678

Electrical load signal circuit

3

EC-650

Air conditioner circuit

2

2

3

3

3

3

3

3

3

3

2

ATC-38

VDC/TCS/ABS control unit

4

BRC-10

SYMPTOM

Reference 
page

HARD/

NO ST

AR

T

/REST

AR

T (

EXCP

. H

A

)

ENGI

NE ST

ALL

HESI

T

A

TION/

S

URGING/

FL

A

T

 SPOT

SP

ARK KNOCK/DET

O

NA

TI

ON

L

A

CK OF 

POW

E

R/POO

R

 ACCEL

E

RA

TION

HI

GH I

D

L

E

/L

OW

 I

D

L

E

ROUG

H IDL

E

/HUNTING

ID

L

ING VI

BRA

T

ION

SL

OW

/N

O RETURN 

T

O

 I

D

L

E

OVERHEA

T

S/

W

A

TER TEMPERA

T

URE HI

GH

EXCESSIVE F

U

E

L

 CONSUM

P

T

IO

N

EXCESSIVE OIL 

CONSUM

P

T

ION

BA

TTER

Y

 DEAD (

UNDER CHARGE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA

EC-94

TROUBLE DIAGNOSIS

SYSTEM — ENGINE MECHANICAL & OTHER

SYMPTOM

Reference 
page

HARD/

NO ST

AR

T/

REST

AR

T (

E

X

C

P

. HA)

ENGI

NE ST

ALL

HESIT

A

TION/SURG

ING/FL

A

T S

P

OT

SP

ARK K

N

O

C

K/DET

O

NA

TI

ON

L

A

CK 

OF P

O

W

E

R/POOR ACCEL

E

R

A

TION

HI

GH ID

L

E

/L

OW

 I

D

L

E

ROUGH IDL

E

/HUNTI

N

G

ID

L

ING VI

B

R

A

T

ION

SL

OW

/N

O RETURN 

T

O

 I

D

L

E

OVERHEA

T

S/W

A

T

E

R TEMPERA

T

URE 

HI

GH

EXCESSIVE FUEL CO

NSUM

P

T

ION

EXCESSIVE O

IL CONSUM

P

T

IO

N

BA

TTER

Y

 DEA

D

 (UNDER CHARGE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA

Fuel

Fuel tank

5

5

FL-11

Fuel piping

5

5

5

5

5

5

EM-38

Vapor lock

—

Valve deposit

5

5

5

5

5

5

5

—

Poor fuel (Heavy weight gaso-
line, Low octane)

—

Air

Air duct

5

5

5

5

5

5

EM-16

Air cleaner

EM-16

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

5

5

5

5

EM-16

Electric throttle control actuator

EM-18

Air leakage from intake manifold/
Collector/Gasket

EM-18

, 

EM-23

Cranking

Battery

1

1

1

1

1

1

1

1

SC-4

Generator circuit

SC-21

Starter circuit

3

SC-10

Signal plate

6

EM-137

Park/neutral position (PNP) 
switch

4

AT-106

 or 

MT-11

Engine

Cylinder head

5

5

5

5

5

5

5

5

EM-119

Cylinder head gasket

4

3

Cylinder block

6

6

6

6

6

6

6

6

4

EM-137

Piston

Piston ring

Connecting rod

Bearing

Crankshaft

TROUBLE DIAGNOSIS

EC-95

C

D

E

F

G

H

I

J

K

L

M

A

EC

*: For models with M/T.
1 - 6: The numbers refer to the order of inspection.

Valve 
mecha-
nism

Timing chain

5

5

5

5

5

5

5

5

EM-59

Camshaft

EM-100

Intake valve timing control

EM-59

Exhaust valve timing control*

EM-59

Intake valve

3

EM-119

Exhaust valve

Exhaust

Exhaust manifold/Tube/Muffler/
Gasket

5

5

5

5

5

5

5

5

EM-25

, 

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-29

, 

LU-

13

 , 

LU-10

 , 

LU-11

Oil level (Low)/Filthy oil

LU-7

Cooling

Radiator/Hose/Radiator filler cap

5

5

5

5

5

5

5

4

5

CO-13

, 

CO-17

Thermostat

5

CO-28

Water pump

CO-23

Water gallery

CO-30

Cooling fan

5

CO-21

Coolant level (Low)/Contami-
nated coolant

CO-10

IVIS (Infiniti Vehicle Immobilizer System — 
NATS)

1

1

EC-46

 or 

BL-214

SYMPTOM

Reference 
page

HARD/

NO ST

AR

T

/REST

AR

T (

EXCP

. H

A

)

ENGI

NE ST

ALL

HESI

T

A

TION/

S

URGING/

FL

A

T

 SPOT

SP

ARK KNOCK/DET

O

NA

TI

ON

L

A

CK OF 

POW

E

R/POO

R

 ACCEL

E

RA

TION

HI

GH I

D

L

E

/L

OW

 I

D

L

E

ROUG

H IDL

E

/HUNTING

ID

L

ING VI

BRA

T

ION

SL

OW

/N

O RETURN 

T

O

 I

D

L

E

OVERHEA

T

S/

W

A

TER TEMPERA

T

URE HI

GH

EXCESSIVE F

U

E

L

 CONSUM

P

T

IO

N

EXCESSIVE OIL 

CONSUM

P

T

ION

BA

TTER

Y

 DEAD (

UNDER CHARGE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA

EC-96

TROUBLE DIAGNOSIS

Engine Control Component Parts Location (A/T models)

NBS000NE

PBIB3101E