Nissan Pathfinder (2007 year). Manual - part 153
TROUBLE DIAGNOSIS
EC-91
C
D
E
F
G
H
I
J
K
L
M
A
EC
2007 Pathfinder
Symptom Matrix Chart
UBS00K46
SYSTEM — BASIC ENGINE CONTROL SYSTEM
SYMPTOM
Reference
page
HA
RD
/N
O
S
T
AR
T
/RE
ST
A
R
T
(E
X
C
P
. HA
)
EN
GI
N
E
ST
A
L
L
HE
SI
T
A
T
IO
N
/S
UR
GI
NG
/F
L
A
T S
P
O
T
SP
A
R
K
KN
OC
K/
DE
T
O
N
A
TI
O
N
LA
CK
OF
PO
W
E
R
/PO
OR
AC
C
E
LE
RA
T
IO
N
H
IG
H
ID
L
E
/L
O
W
ID
L
E
RO
UG
H I
D
L
E
/H
UN
TI
N
G
ID
L
IN
G
V
IB
R
A
T
IO
N
S
L
O
W
/N
O
R
E
T
U
R
N
T
O
ID
L
E
OV
ER
HE
A
T
S
/W
A
TE
R TEM
P
E
R
A
T
U
R
E HI
G
H
EX
CE
SS
IV
E
FU
EL
CO
NS
UM
P
T
IO
N
E
X
C
E
S
S
IV
E O
IL
CO
NS
UM
PTI
O
N
BA
T
T
E
R
Y
D
E
A
D
(
U
N
D
E
R
CH
AR
GE
)
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
Fuel pressure regulator system
3
3
4
4
4
4
4
4
4
4
Fuel injector circuit
1
1
2
3
2
2
2
2
Evaporative emission system
3
3
4
4
4
4
4
4
4
4
Air
Positive crankcase ventilation sys-
tem
3
3
4
4
4
4
4
4
4
4
1
Incorrect idle speed adjustment
1
1
1
1
1
Electric throttle control actuator
1
1
2
3
3
2
2
2
2
2
2
,
Ignition
Incorrect ignition timing adjustment
3
3
1
1
1
1
1
1
Ignition circuit
1
1
2
2
2
2
2
2
Power supply and ground circuit
2
2
3
3
3
3
3
2
3
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
EC-228
EC-237
EC-245
EC-253
EC-606
Throttle position sensor circuit
2
2
,
,
,
,
Accelerator pedal position sensor circuit
3
2
1
,
,
,
Knock sensor circuit
2
3
Crankshaft position sensor (POS) circuit
2
2
Camshaft position sensor (PHASE) circuit
3
2
Vehicle speed signal circuit
2
3
3
3
Power steering pressure sensor circuit
2
3
3