Nissan Pathfinder (2006 year). Manual — part 154
TROUBLE DIAGNOSIS
EC-91
C
D
E
F
G
H
I
J
K
L
M
A
EC
2006 Pathfinder
1 - 6: The numbers refer to the order of inspection.
(continued on next page)
ECM
2
2
3
3
3
3
3
3
3
3
3
,
Intake valve timing control solenoid valve cir-
cuit
3
2
1
3
2
2
3
3
PNP switch circuit
3
3
3
3
3
VIAS control solenoid valve circuit
1
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 (control unit)
4
SYMPTOM
Reference
page
HARD/NO ST
AR
T/REST
AR
T
(
EXCP
.
HA)
ENGINE ST
AL
L
HESIT
A
TI
ON/SURGI
N
G/FL
A
T SPOT
SP
ARK KNOCK/
DET
O
NA
TION
L
A
C
K
OF POW
E
R/POOR ACC
E
L
E
RA
TI
ON
HIGH IDL
E
/L
OW
IDL
E
ROUGH IDL
E
/HUNTING
IDLING
VIBRA
T
IO
N
SL
O
W
/NO RETURN
T
O
IDL
E
OVERHEA
T
S/W
A
TER TEMPERA
T
UR
E
HIGH
EXCESS
IVE FUEL CONSUM
P
T
ION
EXCESS
IVE OI
L
CONSUM
P
T
IO
N
BA
TTER
Y
DEAD (UNDER CHARGE)
Warranty symptom code
AA
AB
AC
AD
AE
AF
AG
AH
AJ
AK
AL
AM
HA
EC-92
TROUBLE DIAGNOSIS
2006 Pathfinder
SYSTEM — ENGINE MECHANICAL & OTHER
SYMPTOM
Reference
page
HARD/NO ST
AR
T/REST
AR
T (
EXCP
. HA)
ENGINE ST
ALL
HESIT
A
TIO
N
/SURGING
/FL
A
T
SPOT
SP
ARK KNOCK/DET
O
NA
TION
L
A
CK
OF POW
E
R/
POOR ACCEL
E
RA
TIO
N
HIGH IDL
E
/L
OW
IDL
E
ROUGH I
D
L
E
/HUNTING
IDLING VIBRA
T
IO
N
SL
OW
/NO RETURN
T
O
IDL
E
OVERHEA
T
S/W
A
TER TEMPERA
T
URE
HIGH
EXCE
SSI
VE FUEL CONSUM
P
T
IO
N
EXCE
SSI
VE OIL
CONSUM
P
T
ION
BA
TT
ER
Y DEAD (
UNDER CHARGE)
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 gaso-
line, 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 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 switch
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
Valve
mecha-
nism
Timing chain
5
5
5
5
5
5
5
5
Camshaft
Intake valve timing control
Intake valve
3
Exhaust valve
TROUBLE DIAGNOSIS
EC-93
C
D
E
F
G
H
I
J
K
L
M
A
EC
2006 Pathfinder
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
4
5
Thermostat
5
Water pump
Water gallery
Cooling fan
5
Coolant level (Low)/Contami-
nated coolant
5
NVIS (NISSAN Vehicle Immobilizer System —
NATS)
1
1
or
SYMPTOM
Reference
page
HARD/NO ST
AR
T/REST
AR
T
(
EXCP
.
HA)
ENGINE ST
AL
L
HESIT
A
TI
ON/SURGI
N
G/FL
A
T SPOT
SP
ARK KNOCK/
DET
O
NA
TION
L
A
C
K
OF POW
E
R/POOR ACC
E
L
E
RA
TI
ON
HIGH IDL
E
/L
OW
IDL
E
ROUGH IDL
E
/HUNTING
IDLING
VIBRA
T
IO
N
SL
O
W
/NO RETURN
T
O
IDL
E
OVERHEA
T
S/W
A
TER TEMPERA
T
UR
E
HIGH
EXCESS
IVE FUEL CONSUM
P
T
ION
EXCESS
IVE OI
L
CONSUM
P
T
IO
N
BA
TTER
Y
DEAD (UNDER CHARGE)
Warranty symptom code
AA
AB
AC
AD
AE
AF
AG
AH
AJ
AK
AL
AM
HA
EC-94
TROUBLE DIAGNOSIS
2006 Pathfinder
Engine Control Component Parts Location
UBS00K47
BBIA0536E
TROUBLE DIAGNOSIS
EC-95
C
D
E
F
G
H
I
J
K
L
M
A
EC
2006 Pathfinder
BBIA0578E
EC-96
TROUBLE DIAGNOSIS
2006 Pathfinder
BBIA0579E
TROUBLE DIAGNOSIS
EC-97
C
D
E
F
G
H
I
J
K
L
M
A
EC
2006 Pathfinder
PBIB2530E
EC-98
TROUBLE DIAGNOSIS
2006 Pathfinder
BBIA0577E
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