Nissan X-Trail 32. Manual - part 915

IGNITION SIGNAL

EC-789

< DTC/CIRCUIT DIAGNOSIS >

[QR25DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

NO

>> Replace malfunctioning ignition coil with power transistor. Refer to 

EM-190, "Removal and Instal-

lation"

.

Component Inspection (Condenser)

INFOID:0000000010986497

1.

CHECK CONDENSER

1.

Turn ignition switch OFF.

2.

Disconnect condenser harness connector.

3.

Check resistance between condenser terminals as per the following.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace condenser.

Condenser

Resistance

+

-

Terminal

1

2

Above 1 M

Ω

 [at 25C

°

 (77C

°

)]

EC-790

< DTC/CIRCUIT DIAGNOSIS >

[QR25DE]

INFORMATION DISPLAY (ASCD)

INFORMATION DISPLAY (ASCD)

Component Function Check

INFOID:0000000010986498

1.

CHECK INFORMATION DISPLAY

1.

Start engine.

2.

Press ASCD MAIN switch on ASCD steering switch.

3.

Drive the vehicle at more than 40 km/h (25 MPH).

CAUTION:

Always drive vehicle at a safe speed.

4.

Press SET/

−

 switch.

5.

Check that the reading of the speedometer shows the same value as the set speed indicated in the infor-
mation display while driving the vehicle on a flat road.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EC-790, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010986499

1.

CHECK DTC

Check that DTC UXXXX, P0500 or P1574 is not displayed.

Is the inspection result normal?

YES

>> GO TO 2.

NO-1

>> Perform trouble diagnosis for DTC UXXXX.

NO-2

>> Perform trouble diagnosis for DTC P0500. Refer to 

EC-690, "DTC Description"

.

NO-3

>> Perform trouble diagnosis for DTC P1574. Refer to 

EC-735, "DTC Description"

.

2.

CHECK DTC WITH COMBINATION METER

Refer to 

MWI-86, "CONSULT Function"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Perform trouble diagnosis for DTC indicated.

3.

CHECK INTERMITTENT INCIDENT

Perform 

GI-44, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-151, "Removal and Installation"

.

NO

>> Repair or replace error-detected parts.

MALFUNCTION INDICATOR LAMP

EC-791

< DTC/CIRCUIT DIAGNOSIS >

[QR25DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

MALFUNCTION INDICATOR LAMP

Component Function Check

INFOID:0000000010986500

1.

CHECK MIL FUNCTION

1.

Turn ignition switch ON.

2.

Check that MIL illuminates.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EC-791, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010986501

1.

CHECK DTC

Check that DTC UXXXX is not displayed.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Perform trouble diagnosis for DTC UXXXX.

2.

CHECK COMBINATION METER FUNCTION

Check combination meter function. Refer to 

MWI-86, "CONSULT Function"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace.

3.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-151, "Removal and Installation"

.

NO

>> Repair or replace error-detected parts.

EC-792

< DTC/CIRCUIT DIAGNOSIS >

[QR25DE]

REFRIGERANT PRESSURE SENSOR

REFRIGERANT PRESSURE SENSOR

Component Function Check

INFOID:0000000010986502

1.

CHECK REFRIGERANT PRESSURE SENSOR FUNCTION

1.

Start engine and warm it up to normal operating temperature.

2.

Turn A/C switch and blower fan switch ON.

3.

Check the voltage between ECM harness connector terminals under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EC-792, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010986503

1.

CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY

1.

Disconnect refrigerant pressure sensor harness connector.

2.

Turn ignition switch ON.

3.

Check the voltage between refrigerant pressure sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Check the continuity between refrigerant pressure sensor harness connector and ECM harness connec-
tor.

Is the inspection result normal?

YES

>> Perform the trouble diagnosis for power supply circuit.

NO

>> Repair or replace error-detected parts.

3.

CHECK REFRIGERANT PRESSURE SENSOR GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Check the continuity between refrigerant pressure sensor harness connector and ECM harness connec-
tor.

ECM

Voltage (V)

Connector

+

–

Terminal

E60

103

124

1.0 - 4.0

+

-

Voltage

(Approx.)

Refrigerant pressure sensor

Connector

Terminal

F42

3

Ground

5 V

+

-

Continuity

Refrigerant pressure sensor

ECM

Connector

Terminal

Connector

Terminal

F42

3

E60

104

Existed