Nissan Note E12. Manual — part 247
ENGINE CONTROL SYSTEM SYMPTOMS
EC-327
< SYMPTOM DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
SYMPTOM DIAGNOSIS
ENGINE CONTROL SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000009022686
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-316, "Compo-
nent Function
Check"
Fuel pressure regulator sys-
tem
3
3
4
4
4
4
4
4
4
4
Fuel injector circuit
1
1
2
3
2
2
2
2
EC-314, "Compo-
nent Function
Check"
Evaporative emission sys-
tem
3
3
4
4
4
4
4
4
4
4
EC-36, "EVAPORA-
TIVE EMISSION
SYSTEM : System
Description"
Air
Positive crankcase ventila-
tion system
3
3
4
4
4
4
4
4
4
4
1
Incorrect idle speed adjust-
ment
1
1
1
1
1
Electric throttle control actua-
tor
1
1
2
3
3
2
2
2
2
2
2
EC-283, "DTC Log-
ic"
EC-287, "DTC Log-
ic"
EC-289, "DTC Log-
ic"
Igni-
tion
Incorrect ignition timing ad-
justment
3
3
1
1
1
1
1
1
Ignition signal circuit
1
1
2
2
2
2
2
2
Main power supply and ground circuit
2
2
3
3
3
3
3
2
3
EC-328
< SYMPTOM DIAGNOSIS >
[HR16DE]
ENGINE CONTROL SYSTEM SYMPTOMS
Mass air flow sensor circuit
1
1
2
2
2
2
2
2
Engine coolant temperature sensor
circuit
3
3
3
Air fuel ratio (A/F) sensor 1 circuit
EC-170, "DTC Log-
ic"
EC-173, "DTC Log-
ic"
EC-176, "DTC Log-
ic"
EC-179, "DTC Log-
ic"
Throttle position sensor circuit
2
2
EC-167, "DTC Log-
ic"
EC-213, "DTC Log-
ic"
EC-263, "DTC Log-
ic"
EC-264, "DTC Log-
ic"
EC-297, "DTC Log-
ic"
Accelerator pedal position sensor cir-
cuit
3
2
1
EC-291, "DTC Log-
ic"
EC-294, "DTC Log-
ic"
EC-300, "DTC Log-
ic"
Knock sensor circuit
2
3
Engine oil pressure sensor circuit
4
2
3
Crankshaft position sensor circuit
2
2
Camshaft position sensor circuit
3
2
Vehicle speed signal circuit
2
3
3
3
ECM
2
2
3
3
3
3
3
3
3
3
3
EC-247, "DTC Log-
ic"
EC-249, "DTC Log-
ic"
SYMPTOM
Reference page
HARD/NO S
TA
R
T/RES
TA
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
LOW/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
ENGINE CONTROL SYSTEM SYMPTOMS
EC-329
< SYMPTOM DIAGNOSIS >
[HR16DE]
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 table)
SYSTEM — ENGINE MECHANICAL & OTHER
Intake valve timing control solenoid
valve circuit
3
2
1
3
2
2
3
3
Exhaust valve timing control solenoid
valve circuit
3
2
1
3
2
2
3
3
PNP signal circuit
3
3
3
3
3
Refrigerant pressure sensor circuit
2
3
3
4
Electrical load signal circuit
3
Air conditioner circuit
2
2
3
3
3
3
3
3
3
3
2
ABS actuator and electric unit (con-
trol unit)
4
SYMPTOM
Reference page
HARD/NO S
TA
R
T/RES
TA
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
LOW/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-330
< SYMPTOM DIAGNOSIS >
[HR16DE]
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
A
M
HA
Fuel
Fuel tank
5
5
Fuel piping
5
5
5
5
5
5
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-28, "Removal
and Installation"
Air cleaner
EM-28, "Removal
and Installation"
Air leakage from air duct
(Mass air flow sensor —
electric throttle control ac-
tuator)
5
5
5
5
EM-28, "Removal
and Installation"
Electric throttle control ac-
tuator
Air leakage from intake
manifold/Collector/Gasket
Crank-
ing
Battery
1
1
1
1
1
1
1
1
PG-60, "How to Han-
dle Battery"
Generator circuit
CHG-10, "Work Flow
(With EXP-800 NI or
GR8-1200 NI)"
CHG-13, "Work Flow
(Without EXP-800 NI
or GR8-1200 NI)"
Starter circuit
3
STR-13, "Work Flow
(With GR8-1200
NI)"
*
Signal plate
6
PNP signal
4
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