Nissan Quest E52. Instruction — part 560

EC-450

< SYMPTOM DIAGNOSIS >

[VQ35DE]

ENGINE CONTROL SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

ENGINE CONTROL SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000009651306

SYSTEM — BASIC ENGINE CONTROL SYSTEM

SYMPTOM

Reference
page

HARD/NO ST

AR

T

/REST

AR

T

(EXCP

.

H

A

)

ENGINE ST

ALL

HESIT

A

TION/SURGING/FLA

T

SPOT

SP

ARK KNOCK/DET

O

NA

TION

LACK

OF POWER/

POOR

ACC

E

LERA

TION

HIGH IDL

E/LOW

IDLE

ROUG

H IDLE/HUNTING

IDLI

NG VIBRA

TION

SLOW/NO RETURN T

O

IDLE

OVERHEA

T

S/W

A

TER TEMPERA

T

UR

E

HIGH

EXCESS

IVE F

U

E

L

CONSUMP

T

IO

N

EXCESS

IVE OIL CONSUMP

T

ION

BA

TTER

Y

DEAD (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-429

Fuel pressure regulator system

3

3

4

4

4

4

4

4

4

4

EC-141

Fuel injector circuit

1

1

2

3

2

2

2

2

EC-426

Evaporative emission system

3

3

4

4

4

4

4

4

4

4

EC-49

Air

Positive crankcase ventilation sys-
tem

3

3

4

4

4

4

4

4

4

4

1

EC-30

Incorrect idle speed adjustment

1

1

1

1

1

EC-129

Electric throttle control actuator

1

1

2

3

3

2

2

2

2

2

2

EC-397

,

EC-402

Ignition

Incorrect ignition timing adjustment

3

3

1

1

1

1

1

1

EC-129

Ignition circuit

1

1

2

2

2

2

2

2

EC-431

Power supply and ground circuit

2

2

3

3

3

3

3

2

3

EC-163

Mass air flow sensor circuit

1

1

2

2

2

2

2

2

EC-179

,

EC-184

Engine coolant temperature sensor circuit

3

3

3

EC-195

,

EC-199

Air fuel ratio (A/F) sensor 1 circuit

EC-206

,

EC-210

,

EC-213

,

EC-235

,

EC-391

Throttle position sensor circuit

2

2

EC-197

,

EC-261

,

EC-348

,

EC-349

,

EC-409

Accelerator pedal position sensor circuit

3

2

1

EC-337

,

EC-404

,

EC-406

,

EC-411

ENGINE CONTROL SYSTEM SYMPTOMS

EC-451

< SYMPTOM DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

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

(continued on next page)

SYSTEM — ENGINE MECHANICAL & OTHER

Knock sensor circuit

2

3

EC-269

Engine oil temperature sensor

4

2

3

EC-255

,

EC-259

Crankshaft position sensor (POS) circuit

2

2

EC-271

Camshaft position sensor (PHASE) circuit

3

2

EC-274

Vehicle speed signal circuit

2

3

3

3

EC-325

ECM

2

2

3

3

3

3

3

3

3

3

3

EC-333

,

EC-335

Intake valve timing control solenoid valve cir-
cuit

3

2

1

3

2

2

3

3

EC-177

PNP signal circuit

3

3

3

3

3

EC-339

VIAS control solenoid valve 1 circuit

1

EC-383

VIAS control solenoid valve 2 circuit

1

EC-385

Refrigerant pressure sensor circuit

2

3

3

4

EC-442

Electrical load signal circuit

3

EC-421

Air conditioner circuit

2

2

3

3

3

3

3

3

3

3

2

HAC-55

ABS actuator and electric unit (control unit)

4

BRC-30

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

Y

DEAD (UNDER CHARGE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA

EC-452

< SYMPTOM DIAGNOSIS >

[VQ35DE]

ENGINE CONTROL SYSTEM SYMPTOMS

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

Y

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-13

Fuel piping

5

5

5

5

5

5

MA-16

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-26

Air cleaner

EM-26

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

5

5

5

5

EM-26

Electric throttle control actuator

EM-29

Air leakage from intake manifold/
Collector/Gasket

EM-29

,

EM-31

Cranking

Battery

1

1

1

1

1

1

1

1

PG-105

Generator circuit

CHG-21

Starter circuit

3

STR-9

,

STR-12

Signal plate

6

EM-101

PNP signal

4

TM-80

Engine

Cylinder head

5

5

5

5

5

5

5

5

EM-94

Cylinder head gasket

4

3

Cylinder block

6

6

6

6

6

6

6

6

4

EM-105

Piston

Piston ring

Connecting rod

Bearing

Crankshaft

Valve
mecha-
nism

Timing chain

5

5

5

5

5

5

5

5

EM-82

Camshaft

EM-85

Intake valve timing control

EM-67

Intake valve

3

EM-94

Exhaust valve

ENGINE CONTROL SYSTEM SYMPTOMS

EC-453

< SYMPTOM DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

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-33

,

EX-

4

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

LU-8

,

LU-

11

,

LU-12

,

LU-14

Oil level (Low)/Filthy oil

LU-8

Cooling

Radiator/Hose/Radiator filler cap

5

5

5

5

5

5

5

4

5

CO-12

Thermostat

5

CO-24

Water pump

CO-19

Water gallery

CO-2

Cooling fan

5

CO-17

Coolant level (Low)/Contaminat-
ed coolant

CO-8

NVIS (NISSAN Vehicle Immobilizer System —
NATS)

1

1

SEC-16

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

Y

DEAD (UNDER CHARGE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA