Nissan Note E12. Manual — part 248
ENGINE CONTROL SYSTEM SYMPTOMS
EC-331
< SYMPTOM DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Engine
Cylinder head
5
5
5
5
5
5
5
5
Cylinder head gasket
4
3
Cylinder block
6
6
6
6
6
6
6
6
4
Piston
Piston ring
Connecting rod
Bearing
Crankshaft
Valve
mecha-
nism
Timing chain
5
5
5
5
5
5
5
5
EM-51, "Removal
and Installation"
Camshaft
Intake valve timing control
EM-51, "Removal
and Installation"
Exhaust valve timing con-
trol
EM-51, "Removal
and Installation"
Intake valve
3
Exhaust valve
Ex-
haust
Exhaust manifold/Tube/
Muffler/Gasket
5
5
5
5
5
5
5
5
EM-31, "Removal
and Installation"
Three way catalyst
Lubri-
cation
Oil pan/Oil strainer/Oil
pump/Oil filter/Oil gallery/
Oil cooler
5
5
5
5
5
5
5
5
Oil level (Low)/Filthy oil
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
A
M
HA
EC-332
< SYMPTOM DIAGNOSIS >
[HR16DE]
ENGINE CONTROL SYSTEM SYMPTOMS
1 - 6: The numbers refer to the order of inspection.
*: For details about type, refer to
CHG-3, "Commercial Service Tool"
.
Cooling
Radiator/Hose/Radiator
filler cap
5
5
5
5
5
5
5
4
5
CO-12, "RADIATOR :
Inspection"
CO-12, "RADIATOR
CAP : Inspection"
Thermostat
5
CO-21, "Removal
and Installation"
Water pump
CO-19, "Removal
and Installation"
Water gallery
CO-25, "Removal
and Installation"
Cooling fan
5
CO-18, "Disassembly
and Assembly"
Coolant level (Low)/Con-
taminated coolant
NATS (NISSAN Vehicle Immobilizer
System)
1
1
SEC-61, "ECM :
Work Procedure"
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
A
M
HA
NORMAL OPERATING CONDITION
EC-333
< SYMPTOM DIAGNOSIS >
[HR16DE]
C
D
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F
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EC
N
P
O
NORMAL OPERATING CONDITION
Description
INFOID:0000000009022687
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)
If the engine speed is above 2,400 rpm under no load (for example, the shift lever position is neutral and
engine speed is over 2,400 rpm) fuel will be cut off after some time. The exact time when the fuel is cut off var-
ies based on engine speed.
Fuel cut will be operated until the engine speed reaches 2,000 rpm, then fuel cut will be cancelled.
NOTE:
This function is different from deceleration control listed under Multiport Fuel Injection (MFI) System,
EC-334
< PERIODIC MAINTENANCE >
[HR16DE]
IDLE SPEED
PERIODIC MAINTENANCE
IDLE SPEED
Inspection
INFOID:0000000009022688
1.
CHECK IDLE SPEED
With CONSULT
Check idle speed in “DATA MONITOR” mode with CONSULT.
With GST
Check idle speed with Service $01 of GST.
Without CONSULT
Check idle speed by installing the pulse type tachometer clamp on the loop wire or on suitable high-tension
wire which installed between No.1 ignition coil and No.1 spark plug.
>> INSPECTION END
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