Nissan X-Trail 32. Manual - part 1434

MAGNET CLUTCH

HAC-211

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Is the inspection result normal?

YES

>> Replace compressor. Refer to 

HA-30, "Removal and Installation"

 (R9M engine models except for

Russia) or 

HA-76, "Removal and Installation"

 (MR20DD engine models).

NO

>> Repair harness or connector. 

Compressor

—

Continuity

Connector

Terminal

F17

2

Ground

Existed

HAC-212

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

ECV (ELECTRICAL CONTROL VALVE)

ECV (ELECTRICAL CONTROL VALVE)

Diagnosis Procedure

INFOID:0000000010939861

1.

CHECK ECV POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect compressor connector.

3.

Turn ignition switch ON.

4.

Check voltage between compressor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK ECV POWER SUPPLY CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between compressor harness connector and IPDM E/R harness connector.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-60, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK ECV CONTROL SIGNAL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between compressor harness connector and IPDM E/R harness connector.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK ECV

Check ECV. Refer to 

HAC-212, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-60, "Removal and Installation"

NO

>> Replace compressor. Refer to 

HA-30, "Removal and Installation"

 (R9M engine models except for

Russia) or 

HA-76, "Removal and Installation"

 (MR20DD engine models).

Component Inspection

INFOID:0000000010939862

1.

CHECK ECV

Check continuity between compressor terminals.

+

−

Voltage

Compressor

Connector

Terminal

F59

3

Ground

6 - 16 V

Compressor

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

F59

3

F72

71

Existed

Compressor

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

F59

4

F74

98

Existed

ECV (ELECTRICAL CONTROL VALVE)

HAC-213

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace compressor. Refer to 

HA-30, "Removal and Installation"

 (R9M engine models except for

Russia) or 

HA-76, "Removal and Installation"

 (MR20DD engine models).

Terminal

Continuity

3

4

Existed

HAC-214

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

PTC HEATER

PTC HEATER

Component Function Check

INFOID:0000000010939863

1.

CHECK PTC HEATER OPERATION

1.

Start the engine.

2.

Operate blower motor.

3.

Operate temperature control dial to full hot position.

4.

Check for warm air at discharge air outlet.
NOTE:
• Engine must be cold.
• Battery must be charged.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

HAC-214, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010939864

1.

CHECK FUSE AND FUSIBLE LINK

1.

Turn ignition switch OFF.

2.

Check 30 A fuses (Nos. 42, 43 and 44) and 10 A fuse [No. 30, located in fuse block (J/B)].

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse is blown. 

2.

CHECK PTC RELAY POWER SUPPLY

1.

Disconnect PTC relay connector.

2.

Turn ignition switch ON.

3.

Check voltage between PTC relay harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector between PTC relay and fuse.

3.

CHECK PTC RELAY CONTROL SIGNAL CIRCUIT FOR OPEN

1.

Disconnect BCM connector. 

2.

Check continuity between PTC relay harness connector and BCM harness connector. 

Is the inspection result normal?

Relay

+

−

Voltage

PTC relay

Connector

Terminal

1

E139

2

Ground

Battery voltage

3

2

E140

2

3

3

E141

2

3

PTC relay

BCM

Continuity

Relay

Connector

Terminal

Connector

Terminal

1

E139

1

E23

172

Existed

2

E140

173

3

E141

170