Nissan Terrano r20e. Instruction — part 105
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
*2
Glow system
1
Engine body
3
3
3
3
3
3
EM section
*3
EGR system
3
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
SYSTEM — ENGINE CONTROL system
Malfunction
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
ENGINE
CONTROL
Electronic control fuel injection pump
circuit
*a, *b
1
1
1
1
1
1
1
1
1
1
1
—
*c, *d
Mass air flow sensor circuit
*a, *c
1
1
1
*b
Engine coolant temperature sensor
circuit
*a, *b
1
1
1
1
*1
Vehicle speed sensor circuit
*a, *b
1
1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*a: Open
*b: Short
*c: Ground short
*d: Noise
*1: Compensation according to engine coolant temperature does not function.
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ZD30DDTi
Symptom Matrix Chart (Cont’d)
EC-58
SYSTEM — ENGINE CONTROL system
Malfunction
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
ENGINE
CONTROL
Electronic control fuel injection pump
circuit
*a, *b
1
1
1
1
—
*c, *d
1
Mass air flow sensor circuit
*a, *c
1
*b
1
Engine coolant temperature sensor
circuit
*a, *b
1
1
1
1
*1
Vehicle speed sensor circuit
*a, *b
1
1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*a: Open
*b: Short
*c: Ground short
*d: Noise
*1: Compensation according to engine coolant temperature does not function.
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ZD30DDTi
Symptom Matrix Chart (Cont’d)
EC-59
SYSTEM — ENGINE CONTROL system
Malfunction
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
ENGINE
CONTROL
Accelerator switch (FC) circuit
*a, *b
1
*c
Fuel cut system line
*a, *c
*b
1
1
1
1
*2
Accelerator position sensor circuit
*a, *b
1
1
1
Crankshaft position sensor (TDC)
circuit
*a, *b
*d
1
1
Charge air pressure sensor circuit
*a,
*b, *c
1
1
Swirl control valve control solenoid
valve circuit
*a, *b
*c
1
1
1
1
Variable nozzle turbocharger control
solenoid valve circuit
*a, *b
1
1
*c
1
1
Intake air control valve control sole-
noid valve circuit
*c
1
1
1
1
1
1
1
1
1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*a: Open
*b: Short
*c: Ground short
*d: Noise
*2: Engine runs on after turning ignition switch OFF.
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ZD30DDTi
Symptom Matrix Chart (Cont’d)
EC-60
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