Nissan X-Trail 32. Manual - part 1436

INSUFFICIENT COOLING

HAC-219

< SYMPTOM DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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INSUFFICIENT COOLING

Description

INFOID:0000000010939868

Symptom

• Insufficient cooling
• No cool air comes out. (Air flow volume is normal.)

Diagnosis Procedure

INFOID:0000000010939869

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

1.

CHECK MAGNET CLUTCH OPERATION

1.

Turn ignition switch ON.

2.

Operate fan control dial and operate blower fan.

3.

Press A/C switch.

4.

Check that A/C indicator turns ON. Check visually and by sound that compressor operates.

5.

Press A/C switch again.

6.

Check that A/C indicator turns OFF. Check that compressor stops.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Perform diagnosis of “COMPRESSOR DOES NOT OPERATE” in “SYMPTOM DIAGNOSIS”.

Refer to 

HAC-221, "Diagnosis Procedure"

.

2.

CHECK DRIVE BELT

Check tension of drive belt. Refer to 

EM-23, "Inspection"

 (MR20DD engine models) 

EM-301, "Inspection"

(R9M engine models).

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Adjust or replace drive belt depending on the inspection results.

3.

CHECK REFRIGERANT CYCLE PRESSURE

Connect recovery/recycling recharging equipment to the vehicle and perform pressure inspection with gauge.
Refer to 

HA-27, "Symptom Table"

 (R9M engine models except for Russia) or 

HA-73, "Symptom Table"

(MR20DD engine models).

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace parts depending on the inspection results.

4.

CHECK ECV

Perform ECV circuit diagnosis. Refer to 

HAC-212, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace parts depending on the inspection results.

5.

CHECK AIR LEAKAGE FROM EACH DUCT

Check duct and nozzle, etc. of the air conditioning system for leakage.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace parts depending on the inspection results.

HAC-220

< SYMPTOM DIAGNOSIS >

[MANUAL AIR CONDITIONING]

INSUFFICIENT HEATING

INSUFFICIENT HEATING

Description

INFOID:0000000010939870

Symptom

• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)

Diagnosis Procedure

INFOID:0000000010939871

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

1.

CHECK COOLING SYSTEM

1.

Check engine coolant level and check for leakage. Refer to 

CO-13, "Inspection"

 (MR20DD engine mod-

els) or 

CO-64, "Inspection"

 (R9M engine models).

2.

Check radiator cap or reservoir tank cap. Refer to 

CO-16, "RADIATOR CAP : Inspection"

 (MR20DD

engine models) or 

CO-68, "Inspection"

 (R9M engine models).

3.

Check water flow sounds of the engine coolant. Refer to 

CO-14, "Refilling"

 (MR20DD engine models) or

CO-65, "Refilling"

 (R9M engine models).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Refill engine coolant and repair or replace the parts depending on the inspection results.

2.

CHECK HEATER HOSE

Check installation of heater hose by visually or touching.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace parts depending on the inspection results.

3.

CHECK HEATER CORE

1.

Check temperature of inlet hose and outlet hose of heater core.

2.

Check that inlet side of heater core is hot and the outlet side is slightly lower than/almost equal to the inlet
side.

CAUTION:

Always perform the temperature inspection in a short period of time because the engine coolant
temperature is very hot.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace heater core. Refer to 

HA-46, "HEATER CORE : Removal and Installation"

 (R9M engine

models except for Europe) or 

HA-91, "HEATER CORE : Removal and Installation"

 (MR20DD

engine models).

4.

CHECK AIR LEAKAGE FROM EACH DUCT

Check duct and nozzle, etc. of the air conditioning system for air leakage.

Is the inspection result normal?

YES-1 >> With PTC heater: GO TO 5.
YES-2 >> Without PTC heater: INSPECTION END
NO

>> Repair or replace parts depending on the inspection results.

5.

CHECK PTC HEATER

Perform PTC heater diagnosis. Refer to 

HAC-115, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace parts depending on the inspection results.

COMPRESSOR DOES NOT OPERATE

HAC-221

< SYMPTOM DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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COMPRESSOR DOES NOT OPERATE

Description

INFOID:0000000010939872

SYMPTOM

Compressor does not operate. 

Diagnosis Procedure

INFOID:0000000010939873

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-210, "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) or 

EC-

1056, "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-60, "Removal and Installation"

.

NO

>> Replace A/C amp. Refer to 

HAC-222, "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-222

< REMOVAL AND INSTALLATION >

[MANUAL AIR CONDITIONING]

A/C CONTROL (A/C AUTO AMP.)

REMOVAL AND INSTALLATION

A/C CONTROL (A/C AUTO AMP.)

Exploded View

INFOID:0000000010939874

Refer to 

IP-13, "Exploded View"

.

Removal and Installation

INFOID:0000000010939875

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