Nissan Versa Sedan. Instruction — part 363
ENGINE CONTROL SYSTEM SYMPTOMS
EC-451
< SYMPTOM DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
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
Throttle position sensor circuit
2
2
Accelerator pedal position sensor cir-
cuit
3
2
1
EC-409, "DTC Log-
ic"
EC-412, "DTC Log-
ic"
EC-418, "DTC Log-
ic"
Heated oxygen sensor 2 circuit
6
6
6
6
5
EC-216, "DTC Log-
ic"
EC-222, "DTC Log-
ic"
EC-230, "DTC Log-
ic"
Knock sensor circuit
2
3
Engine oil temperature sensor circuit
4
2
3
Engine oil pressure sensor circuit
4
4
3
3
3
3
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-452
< SYMPTOM DIAGNOSIS >
[HR16DE]
ENGINE CONTROL SYSTEM SYMPTOMS
1 - 6: The numbers refer to the order of inspection.
(continued on next table)
SYSTEM — ENGINE MECHANICAL & OTHER
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-339, "DTC Log-
ic"
EC-341, "DTC Log-
ic"
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
ENGINE CONTROL SYSTEM SYMPTOMS
EC-453
< SYMPTOM DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
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
AM 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
Air cleaner
Air leakage from air duct
(Mass air flow sensor —
electric throttle control ac-
tuator)
5
5
5
5
Electric throttle control ac-
tuator
Air leakage from intake
manifold/Collector/Gasket
EC-454
< SYMPTOM DIAGNOSIS >
[HR16DE]
ENGINE CONTROL SYSTEM SYMPTOMS
Crank-
ing
Battery
1
1
1
1
1
1
1
1
Generator circuit
Starter circuit
3
STR-20, "Work Flow
(With GR8-1200 NI)"
STR-24, "Work Flow
(Without GR8-1200
NI)"
Signal plate
6
PNP signal
4
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
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
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