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

Refer to 

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

Refer to 

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

EM-365

Air cleaner and duct

x

x

EM-308

ECM

x

x

x

x

x

x

x

x

x

x

x

x

x

EC-1067

, 

EC-1069

,

EC-1072

Camshaft position sensor circuit

x

x

EC-1034

Crankshaft  position  sensor  circuit

x

x

x

x

x

x

x

x

x

x

EC-1032

Mass air flow sensor circuit

x

x

x

EC-997

,

EC-999

Intake air temperature sensor 1 circuit

EC-1006

,

EC-1006

Turbocharger boost sensor circuit

x

x

x

EC-1001

, 

EC-1003

Intake air temperature sensor 2 circuit

EC-995

Air fuel ratio (A/F) sensor circuit

EC-1184

, 

EC-1186

Engine coolant temperature sensor circuit

x

x

x

x

EC-1008

Fuel  injector  circuit

x

x

x

x

x

x

x

x

x

x

x

x

x

EC-1016

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

EC-1014

Fuel temperature sensor circuit

EC-989

Fuel heater circuit

—

Turbocharger boost control solenoid valve cir-
cuit

x

x

x

EC-993

High pressure EGR volume control valve circuit

x

x

x

EC-1039

, 

EC-1041

Low pressure EGR volume control valve circuit

EC-1107

, 

EC-1110

, 

EC-1116

, 

EC-1119

Low pressure EGR volume control valve Up-
stream temperature sensor circuit

EC-1122

Electric  throttle  control  actuator  circuit

x

x

x

x

x

x

x

x

x

EC-1073

, 

EC-1179

Intake manifold runner control valve

x

EC-1086

, 

EC-1088

, 

EC-1090

Exhaust electric throttle control actuator circuit

x

EC-1096

, 

EC-1099

, 

EC-1102

, 

EC-1104

DPF (Diesel Particulate Filter)

EC-1172

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

EC-1046

, 

EC-1049

DPF pressure sensor circuit

EC-1094

, 

EC-1193

Exhaust gas temperature sensor 1 circuit

EC-1058

, 

EC-1174

Exhaust gas temperature sensor 2 circuit

EC-1134

Glow control unit circuit

x

x

x

x

EC-1036

Glow plug circuit

x

x

x

x

EC-1036

Cooling fan resister circuit

x

x

—

Thermoplunger unit circuit

—

Thermoplunger control unit circuit

EC-1148

, 

EC-1151

, 

EC-1154

Engine coolant bypass valve circuit

—

Engine coolant bypass valve control solenoid 
valve circuit

EC-1200

Accelerator pedal position sensor circuit

x

x

x

EC-

1024

,

EC-

1026

, 

EC-

1180

Refrigerant pressure sensor circuit

x

x

x

EC-1056

NATS (Nissan Anti-theft System)

x

SEC-97

, 

SEC-259

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