Nissan Terrano model r20 series 2004. Manual — part 85
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
Start signal circuit
*a, *b
1
1
*3
PNP switch circuit
*a, *b
1
*c
Accelerator position switch (Idle) cir-
cuit
*a, *c
1
1
1
*b
1
1
1
*4
Accelerator position switch (Full) cir-
cuit
*a, *b
1
1
1
Ignition switch circuit
*a
1
1
1
1
*b
*5
Power supply for ECM circuit
*a
*b
1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*a: Open
*b: Short
*c: Ground short
*d: Noise
*3: Start control does not function.
*4: Accelerator position sensor NG signal is output.
*5: Engine does not stop.
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ZD30DDTi
Symptom Matrix Chart (Cont’d)
EC-62
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
Start signal circuit
*a, *b
*3
PNP switch circuit
*a, *b
1
1
*c
Accelerator position switch (Idle) cir-
cuit
*a, *c
*b
1
1
*4
Accelerator position switch (Full) cir-
cuit
*a, *b
1
1
Ignition switch circuit
*a
*b
*5
Power supply for ECM circuit
*a
1
1
1
*b
1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*a: Open
*b: Short
*c: Ground short
*d: Noise
*3: Start control does not function.
*4: Accelerator position sensor NG signal is output.
*5: Engine does not stop.
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ZD30DDTi
Symptom Matrix Chart (Cont’d)
EC-63
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
EGR volume control valve circuit
*a, *b
*c
*8
Glow relay circuit
*a
1
1
1
1
*9
*b
*10
ECM relay (Self-shutoff) circuit
*a
1
1
1
*b
*11
ECM, Connector circuit
*a, *b
2
2
2
2
2
2
2
2
2
2
2
2
2
Air conditioner relay circuit
*a
*12
*b
*13
Air conditioner switch circuit
*a, *c
*13
*b
*14
1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*a: Open
*b: Short
*c: Ground short
*d: Noise
*8: Does not stop operating.
*9: Glow lamp does not turn on.
*10: Glow lamp does not turn off. *11: Ground short makes engine unable to stop.
*12: Air conditioner does not operate.
*13: Air conditioner does not stop operating.
*14: Air conditioner does not work.
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ZD30DDTi
Symptom Matrix Chart (Cont’d)
EC-64
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
EGR volume control valve circuit
*a, *b
*c
1
*8
Glow relay circuit
*a
1
*9
*b
*10
ECM relay (Self-shutoff) circuit
*a
1
*b
1
1
*11
ECM, Connector circuit
*a, *b
2
2
2
2
2
2
2
2
2
2
2
2
Air conditioner relay circuit
*a
*12
*b
*13
Air conditioner switch circuit
*a, *c
*13
*b
*14
1 - 5: The numbers refer to the order of inspection.
*a: Open
*b: Short
*c: Ground short
*d: Noise
*8: Does not stop operating.
*9: Glow lamp does not turn on.
*10: Glow lamp does not turn off.
*11: Ground short makes engine unable to stop.
*12: Air conditioner does not operate.
*13: Air conditioner does not stop operating.
*14: Air conditioner does not work.
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ZD30DDTi
Symptom Matrix Chart (Cont’d)
EC-65
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