Nissan X-Trail 32. Manual - part 1412

INSUFFICIENT HEATING

HAC-123

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

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6.

CHECK SETTING OF TEMPERATURE SETTING TRIMMER

1.

Check setting value of temperature setting trimmer. Refer to 

HAC-74, "Temperature Setting Trimmer"

. 

2.

Check that temperature setting trimmer is set to “

−

 direction”. 

NOTE:
The control temperature can be set by the temperature setting trimmer.

3.

Set difference between the set temperature and control temperature to “0”.

Are the symptoms solved?

YES

>> INSPECTION END

NO

>> Replace A/C auto amp. Refer to 

HAC-126, "Removal and Installation"

.

HAC-124

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

COMPRESSOR DOES NOT OPERATE

COMPRESSOR DOES NOT OPERATE

Description

INFOID:0000000010939780

SYMPTOM

Compressor does not operate. 

Diagnosis Procedure

INFOID:0000000010939781

NOTE:
• Perform self-diagnoses with CONSULT before performing symptom diagnosis. If any DTC is detected, per-

form the corresponding diagnosis.

• Check that refrigerant is enclosed in cooler cycle normally. If refrigerant amount is shortage from proper

amount, perform the inspection of refrigerant leakage.

1.

CHECK MAGNET CLUTCH OPERATION

Check magnet clutch. Refer to 

HAC-111, "Component Function Check"

. 

Does it operate normally?

YES

>> GO TO 2.

NO

>> Repair or replace malfunctioning parts.

2.

CHECK REFRIGERANT PRESSURE SENSOR

Check refrigerant pressure sensor. Refer to 

EC-407, "Diagnosis Procedure"

 (MR20DD engine models), 

EC-

792, "Diagnosis Procedure"

 (QR25DE engine models) or 

EC-1056, "Diagnosis Procedure"

 (R9M engine mod-

els).
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace malfunctioning parts.

3.

CHECK BCM OUTPUT SIGNAL

With CONSULT-

1.

Select “DATA MONITOR” mode of “ENGINE” using CONSULT.

2.

Select “AIR COND SIG” and “HEATER FAN SW”, and check status under the following conditions.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-60, "Removal and Installation"

.

NO

>> Replace A/C auto amp. Refer to 

HAC-126, "Removal and Installation"

.

Monitor item

Condition

Status

AIR COND SIG

A/C switch

OFF (A/C indicator: OFF)

Off

ON (A/C indicator: ON)

On

HEATER FAN SW

Blower motor

OFF

Off

ON

On

A/C CONTROL

HAC-125

< REMOVAL AND INSTALLATION >

[AUTOMATIC AIR CONDITIONING]

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REMOVAL AND INSTALLATION

A/C CONTROL

Exploded View

INFOID:0000000010939782

Refer to 

IP-13, "Exploded View"

.

Removal and Installation

INFOID:0000000010939783

REMOVAL

1.

Disengage fixing metal clips and pawls, and then remove A/C
control from instrument panel assembly according to numerical
order 1

→

2 indicated by arrows as shown in the figure.

2.

Disconnect harness connectors.

INSTALLATION

Install in the reverse order of removal.

: Pawl

: Metal clip

JMIIA3390ZZ

HAC-126

< REMOVAL AND INSTALLATION >

[AUTOMATIC AIR CONDITIONING]

A/C AUTO AMP.

A/C AUTO AMP.

Removal and Installation

INFOID:0000000010939784

REMOVAL

1.

Remove instrument lower cover. Refer to 

IP-14, "Removal and Installation"

 (LHD models) or 

IP-41,

"Removal and Installation"

 (RHD models).

2.

Remove fixing screw 

 and disconnect harness connectors 

.

3.

Remove A/C auto amp. from A/C unit assembly.

INSTALLATION

Install in the reverse order of removal.

JMIIA3392ZZ