Nissan Qashqai J11. Manual - part 1122

HAC-124

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

INSUFFICIENT COOLING

2.

Check that temperature setting trimmer is set to “+ direction”. 
NOTE:
The control temperature can be set with the setting of the temperature setting trimmer.

3.

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

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Replace A/C auto amp. Refer to 

HAC-129, "Removal and Installation"

.

COMPRESSOR DOES NOT OPERATE

HAC-125

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

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COMPRESSOR DOES NOT OPERATE

Description

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SYMPTOM

Compressor does not operate. 

Diagnosis Procedure

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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-112, "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 

ECH-225, "Diagnosis Procedure"

 (HRA2DDT engine models),

ECM-394, "Diagnosis Procedure"

 (MR20DD engine models), 

ECK-257, "Diagnosis Procedure"

 (K9K engine

models) or 

EC9-248, "Diagnosis Procedure"

 (R9M engine models).

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-67, "Removal and Installation"

.

NO

>> Replace A/C auto amp. Refer to 

HAC-127, "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

HAC-126

< REMOVAL AND INSTALLATION >

[AUTOMATIC AIR CONDITIONING]

A/C CONTROL

REMOVAL AND INSTALLATION

A/C CONTROL

Exploded View

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Refer to 

IP-12, "Exploded View"

.

Removal and Installation

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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

A/C AUTO AMP.

HAC-127

< REMOVAL AND INSTALLATION >

[AUTOMATIC AIR CONDITIONING]

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A/C AUTO AMP.

Removal and Installation

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REMOVAL

1.

Remove instrument lower cover. Refer to 

IP-13, "Removal and Installation"

.

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