Nissan Sentra. Instruction — part 445
EC-476
< SYMPTOM DIAGNOSIS >
[MRA8DE]
ENGINE CONTROL SYSTEM
Air
Air duct
5
5
5
5
5
5
Air cleaner
Air leakage from air duct
(Mass air flow sensor — electric
throttle control actuator)
5
5
5
5
Electric throttle control actuator
Air leakage from intake manifold/
Collector/Gasket
Cranking
Battery
1
1
1
1
1
1
1
1
Generator circuit
Starter circuit
3
,
Signal plate
6
PNP signal
4
(CVT mod-
(6MT
models)
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
Camshaft
Intake valve timing control
Exhaust valve timing control
Intake valve
3
Exhaust valve
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
A
A
AB
AC
AD
AE
AF
AG AH
AJ
AK
AL
AM HA
ENGINE CONTROL SYSTEM
EC-477
< SYMPTOM DIAGNOSIS >
[MRA8DE]
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.
Exhaust
Exhaust manifold/Tube/Muffler/
Gasket
5
5
5
5
5
5
5
5
Three way catalyst
Lubrica-
tion
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
Cooling
Radiator/Hose/Radiator filler cap
5
5
5
5
5
5
5
2
5
Thermostat
5
Water pump
Water gallery
Cooling fan
5
Coolant level (Low)/Contaminat-
ed coolant
NATS (Nissan Anti-Theft System)
1
1
(With intel-
ligent key
system),
(Without in-
telligent
key sys-
tem)
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
A
A
AB
AC
AD
AE
AF
AG AH
AJ
AK
AL
AM HA
EC-478
< SYMPTOM DIAGNOSIS >
[MRA8DE]
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
Description
INFOID:0000000009758732
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)
If the engine speed is above 2,500 rpm under no load (for example, the selector lever position is neutral and
engine speed is over 2,500 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 System,
TIPORT FUEL INJECTION SYSTEM : System Description"
.
IDLE SPEED
EC-479
< PERIODIC MAINTENANCE >
[MRA8DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
PERIODIC MAINTENANCE
IDLE SPEED
Inspection
INFOID:0000000009758733
1.
CHECK IDLE SPEED
With CONSULT
Check idle speed in “DATA MONITOR” mode of “ENGINE” using CONSULT.
With GST
Check idle speed with Service $01 of GST.
>> INSPECTION END
Specification
:
Specification
:
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст