Infiniti M45 (Y34). Manual — part 350

TROUBLE DIAGNOSIS

EC-89

C

D

E

F

G

H

I

J

K

L

M

A

EC

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

Valve
mecha-
nism

Timing chain

5

5

5

5

5

5

5

5

EM-38

Camshaft

EM-49

Intake valve timing control

EM-38

Intake valve

5

5

5

5

5

5

5

5

3

EM-65

Exhaust valve

Exhaust

Exhaust manifold/Tube/Muffler/
Gasket

5

5

5

5

5

5

5

5

EM-22

,

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-25

,

LU-

9

,

LU-10

Oil level (Low)/Filthy oil

LU-6

Cooling

Radiator/Hose/Radiator filler cap

5

5

5

5

5

5

5

4

5

CO-12

Thermostat

5

CO-24

Water pump

CO-22

Water gallery

CO-7

Cooling fan

5

CO-19

Coolant level (Low)/Contami-
nated coolant

CO-9

IVIS (INFINITI Vehicle Immobilizer System —
NATS)

1

1

EC-64

,

BL-172

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-90

TROUBLE DIAGNOSIS

Engine Control Component Parts Location

ABS002DQ

PBIB1111E

TROUBLE DIAGNOSIS

EC-91

C

D

E

F

G

H

I

J

K

L

M

A

EC

PBIB1130E

EC-92

TROUBLE DIAGNOSIS

PBIB1131E