Nissan Terrano model r20 series 2004. Manual - part 83

9

CHECK AIR CLEANER FILTER

Check air cleaner filter for clogging or breaks.

OK or NG

OK

E

GO TO 10.

NG

E

Replace air cleaner filter.

10

CHECK FUEL INJECTION NOZZLE

Check fuel injection nozzle opening pressure. Refer to “Injection pressure test”, EC-26.

OK or NG

OK

E

GO TO 11.

NG

E

Replace fuel injection nozzle assembly.

11

CHECK IDLE SPEED AGAIN

With CONSULT-II

1. Start engine and let it idle.
2. Select “CKPS

⋅

RPM (TDC)” in “DATA MONITOR” mode with CONSULT-II.

3. Read idle speed.

SEF817Y

750±25 rpm

Without CONSULT-II

1. Start engine and let it idle.
2. Check idle speed.

750±25 rpm

OK or NG

OK

E

INSPECTION END

NG

E

GO TO 12.

12

CHECK COMPRESSION PRESSURE

Check compression pressure. Refer to EM section, “MEASUREMENT OF COMPRESSION PRESSURE”.

OK or NG

OK

E

GO TO 13.

NG

E

Follow the instruction of “MEASUREMENT OF COMPRESSION PRESSURE”.

TROUBLE DIAGNOSIS — BASIC INSPECTION

ZD30DDTi

Basic Inspection (Cont’d)

EC-54

13

CHECK IDLE SPEED AGAIN

With CONSULT-II

1. Start engine and let it idle.
2. Select “CKPS

⋅

RPM (TDC)” in “DATA MONITOR” mode with CONSULT-II.

3. Read idle speed.

SEF817Y

750±25 rpm

Without CONSULT-II

1. Start engine and let it idle.
2. Check idle speed.

750±25 rpm

OK or NG

OK

E

INSPECTION END

NG

E

Replace electronic control fuel injection pump.

TROUBLE DIAGNOSIS — BASIC INSPECTION

ZD30DDTi

Basic Inspection (Cont’d)

EC-55

Symptom Matrix Chart

SYSTEM — Basic engine control sys-
tem

SYMPTOM

Reference

page

Feature

of

symptom,

Check

point

HARD/NO

ST

AR

T/REST

AR

T

(EXCP

.

HA)

ENGINE

ST

ALL

HESIT

A

TION/SURGING/FLA

T

SPOT

KNOCK/DET

ONA

TION

LACK

OF

POWER

POOR

ACCELERA

TION

HI

IDLE

LOW

IDLE

NO

ST

AR

T

(with

first

firing)

NO

ST

AR

T

(without

first

firing)

HARD

T

O

ST

AR

T

WHEN

ENGINE

IS

COLD

HARD

T

O

ST

AR

T

WHEN

ENGINE

IS

HOT

A

T

IDLE

DURING

DRIVING

WHEN

DECELERA

TING

Warranty symptom code

AA

AB

AC

AD

AE

AF

Electronic control fuel injection pump
mainframe

4

4

4

4

4

4

4

4

4

5

5

3

4

—

*1

Injection nozzle

3

3

3

3

3

3

3

3

3

4

4

3

EC-24

*2

Glow system

1

1

1

1

EC-244

Engine body

3

3

3

3

3

3

3

3

4

4

3

EM section

*3

EGR system

3

3

EC-227

Air cleaner and ducts

3

3

MA section

*4

1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*1: Fuel injection system malfunction or fuel injection timing control system malfunction may be the cause.
*2: Depends on open-valve pressure and spray pattern.
*3: Caused mainly by insufficient compression pressure.
*4: Symptom varies depending on off-position of air duct, etc.

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ZD30DDTi

EC-56

SYSTEM — Basic engine control sys-
tem

SYMPTOM

Reference

page

Feature

of

symptom,

Check

point

ROUGH

IDLE/HUNTING

IDLING

VIBRA

TION

SLOW/NO

RETURN

T

O

IDLE

OVERHEA

T/HIGH

ENGINE

COOLANT

TEMPERA

TURE

EXCESSIVE

FUEL

CONSUMPTION

EXCESSIVE

OIL

CONSUMPTION

ABNORMAL

SMOKE

COLOR

DEAD

BA

TTER

Y

(UNDER

CHARGE)

Malfunction

indicator

lamp

illuminates.

Can

be

detected

by

CONSUL

T

-II?

Fuel

cut

BLACK

SMOKE

WHITE

SMOKE

Warranty symptom code

AG

AH

AJ

AK

AL

AM

AP

HA

Electronic control fuel injection pump
mainframe

4

4

3

4

5

4

3

3

3

—

*1

Injection nozzle

3

3

4

EC-24

*2

Glow system

1

EC-244

Engine body

3

3

3

3

3

3

EM section

*3

EGR system

3

EC-227

Air cleaner and ducts

3

3

MA section

*4

1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*1: Fuel injection system malfunction or fuel injection timing control system malfunction may be the cause.
*2: Depends on open-valve pressure and spray pattern.
*3: Caused mainly by insufficient compression pressure.
*4: Symptom varies depending on off-position of air duct, etc.

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ZD30DDTi

Symptom Matrix Chart (Cont’d)

EC-57