Nissan X-Trail 32. Manual — part 1022
COOLING FAN
EC-1217
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
8.
CHECK COOLING FAN RELAY-2
EC-1217, "Component Inspection (Cooling Fan Relay)"
.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace malfunctioning cooling fan relay.
9.
CHECK COOLING FAN MOTOR
EC-1217, "Component Inspection (Cooling Fan Motor)"
.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Replace malfunctioning cooling fan motor. Refer to
CO-76, "Removal and Installation"
.
10.
CHECK INTERMITTENT INCIDENT
Perform
GI-44, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-60, "Removal and Installation"
.
NO
>> Repair or replace error-detected parts.
Component Inspection (Cooling Fan Motor)
INFOID:0000000011058655
1.
CHECK COOLING FAN MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect cooling fan motor harness connector.
3.
Supply cooling fan motor terminals with battery voltage and check operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace cooling fan motor. Refer to
CO-76, "Removal and Installation"
.
Component Inspection (Cooling Fan Relay)
INFOID:0000000011058656
1.
CHECK COOLING FAN RELAY
1.
Turn ignition switch OFF.
2.
Remove cooling fan relay-2.
3.
Check the continuity between cooling fan relay-2 terminals as per the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace cooling fan relay.
Cooling fan motor
Condition
Terminal
+
–
1
2
Cooling fan motor operats
Cooling fan relay-2
Conditions
Continuity
+
−
Terminal
1
2
12V direct current supply between termi-
nals 3 and 4
Existed
No current supply
Not existed
EC-1218
< SYMPTOM DIAGNOSIS >
[R9M]
ENGINE CONTROL SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
ENGINE CONTROL SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000010935925
SYSTEM — Basic engine control system
SYMPTOM
Reference
page
HARD/NO ST
AR
T
/REST
AR
T
(EXCP
. HA
)
ENGINE ST
ALL
HES
IT
A
TION/SURGING/FLA
T
SPOT
KN
OCK/D
E
T
O
NA
TION
LACK OF
POWER
P
O
OR ACCELERA
TION
HI
IDLE
LOW I
D
LE
NO ST
AR
T (with f
irst firing)
NO ST
AR
T (without
first f
iring)
HARD T
O
ST
AR
T WHEN
ENGINE IS
CO
LD
HARD T
O
ST
AR
T WHEN
ENGINE IS
HO
T
AT
I
D
L
E
DURING DRIV
ING
WHEN DECELE
R
A
TING
Warranty symptom code
AA
AB
AC
AD
AE
AF
Engine body
x
x
x
x
x
x
x
x
x
x
x
Air cleaner and duct
x
x
ECM
x
x
x
x
x
x
x
x
x
x
x
x
x
,
,
Camshaft position sensor circuit
x
x
Crankshaft position sensor circuit
x
x
x
x
x
x
x
x
x
x
Mass air flow sensor circuit
x
x
x
Intake air temperature sensor 1 circuit
,
Turbocharger boost sensor circuit
x
x
x
,
Intake air temperature sensor 2 circuit
Air fuel ratio (A/F) sensor circuit
Engine coolant temperature sensor circuit
x
x
x
x
Fuel injector circuit
x
x
x
x
x
x
x
x
x
x
x
x
x
ENGINE CONTROL SYSTEM SYMPTOMS
EC-1219
< SYMPTOM DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
High pressure fuel pump
x
x
x
x
x
x
x
x
x
x
x
—
Fuel pressure sensor circuit
Fuel rail pressure sensor circuit
x
Fuel temperature sensor circuit
Fuel heater circuit
—
Turbocharger boost control solenoid valve cir-
cuit
x
x
x
High pressure EGR volume control valve circuit
x
x
x
,
Low pressure EGR volume control valve circuit
,
Low pressure EGR volume control valve Up-
stream temperature sensor circuit
Electric throttle control actuator circuit
x
x
x
x
x
x
x
x
x
,
Intake manifold runner control valve
x
,
,
Exhaust electric throttle control actuator circuit
x
,
,
,
DPF (Diesel Particulate Filter)
SYSTEM — Basic engine control system
SYMPTOM
Reference
page
HARD/NO ST
AR
T
/REST
AR
T
(EXCP
. HA)
ENGINE ST
ALL
HESI
T
A
TI
ON
/S
URGI
N
G/
FLA
T
SPOT
KNOCK/DET
O
NA
TION
LACK OF
PO
WER
POOR ACCELERA
TION
HI IDLE
LOW I
D
LE
NO ST
AR
T (wit
h f
irst firing)
NO ST
AR
T (wit
ho
ut
first fi
rin
g
)
HARD T
O
ST
AR
T WHEN
ENGI
NE IS
C
O
LD
HARD T
O
ST
AR
T WHEN
ENGI
NE IS
H
O
T
AT
I
D
L
E
DURING DRIVING
WH
E
N
DECELERA
TIN
G
Warranty symptom code
AA
AB
AC
AD
AE
AF
EC-1220
< SYMPTOM DIAGNOSIS >
[R9M]
ENGINE CONTROL SYSTEM SYMPTOMS
Exhaust gas pressure sensor 1 circuit
,
DPF pressure sensor circuit
,
Exhaust gas temperature sensor 1 circuit
,
Exhaust gas temperature sensor 2 circuit
Glow control unit circuit
x
x
x
x
Glow plug circuit
x
x
x
x
Cooling fan resister circuit
x
x
—
Thermoplunger unit circuit
—
Thermoplunger control unit circuit
Engine coolant bypass valve circuit
—
Engine coolant bypass valve control solenoid
valve circuit
Accelerator pedal position sensor circuit
x
x
x
,
Refrigerant pressure sensor circuit
x
x
x
NATS (Nissan Anti-theft System)
x
,
SYSTEM — Basic engine control system
SYMPTOM
Reference
page
HARD/NO ST
AR
T
/REST
AR
T
(EXCP
. HA)
ENGINE ST
ALL
HESI
T
A
TI
ON
/S
URGI
N
G/
FLA
T
SPOT
KNOCK/DET
O
NA
TION
LACK OF
PO
WER
POOR ACCELERA
TION
HI IDLE
LOW I
D
LE
NO ST
AR
T (wit
h f
irst firing)
NO ST
AR
T (wit
ho
ut
first fi
rin
g
)
HARD T
O
ST
AR
T WHEN
ENGI
NE IS
C
O
LD
HARD T
O
ST
AR
T WHEN
ENGI
NE IS
H
O
T
AT
I
D
L
E
DURING DRIVING
WH
E
N
DECELERA
TIN
G
Warranty symptom code
AA
AB
AC
AD
AE
AF
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