Nissan Qashqai J11. Manual — part 358

ENGINE CONTROL SYSTEM

ECM-409

< SYMPTOM DIAGNOSIS >

[MR20DD]

C

D

E

F

G

H

I

J

K

L

M

A

ECM

N

P

O

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

(continued on next table)

SYSTEM — ENGINE MECHANICAL & OTHER

Air conditioner circuit

2

2

3

3

3

3

3

3

3

3

2

HAC-68

,

HAC-182

ABS actuator and electric unit (con-
trol unit)

4

BRC-42

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

X

CESSIVE

FUEL CON

S

UMP

T

ION

E

X

CESSIVE

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

SYMPTOM

Reference
page

HARD/NO ST

AR

T/REST

AR

T (EXCP

. HA)

ENGINE ST

A

L

L

HESIT

A

TIO

N

/SURG

IN

G/FLA

T

S

P

OT

SP

ARK K

N

OCK/

DET

O

NA

TION

LACK OF P

O

WER/POOR ACCELE

R

A

TIO

N

HIGH I

D

L

E

/L

OW IDL

E

ROUGH IDLE

/HUN

TING

IDL

ING VIB

R

A

T

IO

N

SLOW/NO RETURN T

O

IDLE

OVERHEA

T

S/W

A

TER TEMPERA

T

URE HIGH

EXCES

SIVE FUEL C

O

NSUMP

T

ION

EXCES

SIVE OI

L

CONSUMP

T

IO

N

BA

TTE

R

Y

DEA

D

(UND

E

R

CHARG

E

)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA

Fuel

Fuel tank

5

5

FL-28

Fuel piping

5

5

5

5

5

5

FL-17

Vapor lock

—

Valve deposit

5

5

5

5

5

5

5

—

Poor fuel (Heavy weight
gasoline, Low octane)

—

ECM-410

< SYMPTOM DIAGNOSIS >

[MR20DD]

ENGINE CONTROL SYSTEM

Air

Air duct

5

5

5

5

5

5

EM-148

Air cleaner

EM-148

Air leakage from air
duct
(Mass air flow sensor
— electric throttle con-
trol actuator)

5

5

5

5

EM-148

Electric throttle control
actuator

EM-148

Air leakage from intake
manifold/Collector/
Gasket

—

Cranking

Battery

1

1

1

1

1

1

1

1

PG-138

,

PG-143

Generator circuit

CHG-46

Starter circuit

3

STR-18

Signal plate

6

EM-231

M/T models: Reverse/
neutral position signal
circuit
CVT models: Transmis-
sion range switch

4

TM-15

,

TM-303

Engine

Cylinder head

5

5

5

5

5

5

5

5

EM-215

Cylinder head gasket

4

3

Cylinder block

6

6

6

6

6

6

6

6

4

EM-231

Piston

Piston ring

Connecting rod

Bearing

Crankshaft

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

X

CESSIVE

FUEL CON

S

UMP

T

ION

E

X

CESSIVE

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

ENGINE CONTROL SYSTEM

ECM-411

< SYMPTOM DIAGNOSIS >

[MR20DD]

C

D

E

F

G

H

I

J

K

L

M

A

ECM

N

P

O

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

Valve
mecha-
nism

Timing chain

5

5

5

5

5

5

5

5

EM-194

Camshaft

EM-200

Intake valve timing con-
trol

ECM-158

Exhaust valve timing
control

ECM-162

Intake valve

3

EM-215

Exhaust valve

Exhaust

Exhaust manifold/Tube/
Muffler/Gasket

5

5

5

5

5

5

5

5

EX-10

,

EM-155

Three way catalyst

Lubrica-
tion

Oil pan/Oil strainer/Oil
pump/Oil filter/Oil gal-
lery/Oil cooler

5

5

5

5

5

5

5

5

EM-158

,

EM-221

,

LU-25

,

LU-28

,

LU-29

Oil level (Low)/Filthy oil

LU-22

Cooling

Radiator/Hose/Radia-
tor filler cap

5

5

5

5

5

5

5

4

5

CO-38

,

CO-42

Thermostat

5

CO-52

Water pump

CO-49

Water gallery

CO-32

Cooling fan

5

CO-48

Coolant level (Low)/
Contaminated coolant

CO-38

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

X

CESSIVE

FUEL CON

S

UMP

T

ION

E

X

CESSIVE

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

ECM-412

< PERIODIC MAINTENANCE >

[MR20DD]

IDLE SPEED

PERIODIC MAINTENANCE

IDLE SPEED

Inspection

INFOID:0000000010703101

1.

CHECK IDLE SPEED

With CONSULT

Check idle speed in “DATA MONITOR” mode of “ENGINE” using CONSULT.

Without CONSULT

Attach induction type (current detection type) rev counter (A) to loop
wire

as shown and check idle speed.

>> INSPECTION END

: Vehicle front

JSBIA0602ZZ