2014 NISSAN TEANA Service Manual

coolant key fob battery brake pads radiator water pump wheel alignment

Page 2745 of 4801

NISSAN TEANA 2014 Service Manual
HAC-96
< SYMPTOM DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
INSUFFICIENT COOLING
INSUFFICIENT COOLING
DescriptionINFOID:0000000009463167
Symptom
• Insufficient cooling
• No cool air comes out. (Air

HAC-96
< SYMPTOM DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
INSUFFICIENT COOLING
INSUFFICIENT COOLING
DescriptionINFOID:0000000009463167
Symptom
• Insufficient cooling
• No cool air comes out. (Air flow volume is normal.)
Diagnosis ProcedureINFOID:0000000009463168
NOTE:
Perform self-diagnoses with CONSULT before performi ng 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 switch.
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-99, "Diagnosis Procedure"
.
2.CHECK DRIVE BELT
Check tension of drive belt. Refer to EM-19, "Checking Drive Belts"
(QR25DE) or EM-134, "Checking Drive
Belts" (VQ35DE).
Is the inspection result normal?
YES >> GO TO 3.
NO >> Adjust or replace drive belt depending on the inspection results.
3.CHECK REFRIGERANT CYCLE
Connect recovery/recycling recharging equipment to the vehicle and perform pressure inspection with gauge.
Refer to HA-18, "Symptom Table"
.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace parts depending on the inspection results.
4.CHECK AIR LEAKAGE FROM EACH DUCT
Check duct and nozzle, etc. of the fr ont air conditioning system for leakage.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace parts depending on the inspection results.
5.CHECK AMBIENT TEMPERATURE DISPLAY
Check that there is not much difference between act ual ambient temperature and indicated temperature on
information display in combination meter.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Perform diagnosis for the A/C auto amp. connection recognition signal circuit. Refer to HAC-60,
"Diagnosis Procedure".
6.CHECK SETTING OF TEMPERATURE SETTING TRIMMER (FRONT)
1. Check setting value of temperature setting trimmer (front). Refer to HAC-50, "Temperature Setting Trim-
mer".
2. Check that temperature setting trimme r (front) is set to “+ direction”.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 2746 of 4801

NISSAN TEANA 2014 Service Manual
INSUFFICIENT COOLINGHAC-97
< SYMPTOM DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D E
F
G H
J
K L
M A
B
HAC
N
O P
NOTE:
The control temperature can be set with the setti ng of the temperature setting

Page 2747 of 4801

NISSAN TEANA 2014 Service Manual
HAC-98
< SYMPTOM DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
INSUFFICIENT HEATING
INSUFFICIENT HEATING
DescriptionINFOID:0000000009463169
Symptom
• Insufficient heating
• No warm air comes out. (Air

HAC-98
< SYMPTOM DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
INSUFFICIENT HEATING
INSUFFICIENT HEATING
DescriptionINFOID:0000000009463169
Symptom
• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)
Diagnosis ProcedureINFOID:0000000009463170
NOTE:
Perform self-diagnosis with CONSULT before performing symptom diagnosis. If DTC is detected, perform the
corresponding diagnosis.
1.CHECK COOLING SYSTEM
1. Check engine coolant level and check leakage. Refer to CO-11, "System Inspection"
(QR25DE) or CO-
35, "System Inspection" (VQ35DE).
2. Check reservoir tank cap. Refer to CO-11, "System Inspection"
(QR25DE) or CO-35, "System Inspection"
(VQ35DE).
3. Check water flow sounds of the engine coolant. Refer to CO-11, "System Inspection"
(QR25DE) or CO-
35, "System Inspection" (VQ35DE).
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refill engine coolant and repair or repl ace parts depending on the inspection results.
2.CHECK HEATER HOSE
Check installation of heater hose visually or by 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 front heater core.
2. Check that inlet side of heater core is hot and the outle t side is slightly lower than/almost equal to the inlet
side.
CAUTION:
Always perform the temperature in spection 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-42, "HEATER CORE : Removal and Installation"
.
4.CHECK AIR LEAKAGE FROM EACH DUCT
Check duct and nozzle, etc. of front air conditioning system for air leakage.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace parts depending on the inspection results.
5.CHECK SETTING OF TEMPERATURE SETTING TRIMMER (FRONT)
1. Check setting value of temperature setting trimmer (front). Refer to HAC-50, "Temperature Setting Trim-
mer".
2. Check that temperature setting trimmer (front) is set to “ − direction”.
NOTE:
The control temperature can be set by t he temperature setting trimmer (front).
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-102, "Removal and Installation"
.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 2748 of 4801

NISSAN TEANA 2014 Service Manual
COMPRESSOR DOES NOT OPERATEHAC-99
< SYMPTOM DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D E
F
G H
J
K L
M A
B
HAC
N
O P
COMPRESSOR DOES NOT OPERATE
DescriptionINFOID:0000000009463171
Symptom: Compres

Page 2749 of 4801

NISSAN TEANA 2014 Service Manual
HAC-100
< SYMPTOM DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
COMPRESSOR DOES NOT OPERATE
1. Start engine.
2. Check “AC COMP REQ” in “DATA MONITO R” mode of “IPDM E/R” using CONSULT.
Is the i

Page 2750 of 4801

NISSAN TEANA 2014 Service Manual
A/C SWITCH ASSEMBLYHAC-101
< REMOVAL AND INSTALLATION > [AUTOMATIC AIR CONDITIONER]
C
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G H
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M A
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HAC
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REMOVAL AND INSTALLATION
A/C SWITCH ASSEMBLY
Removal and InstallationINFOID:000

Page 2751 of 4801

NISSAN TEANA 2014 Service Manual
HAC-102
< REMOVAL AND INSTALLATION >[AUTOMATIC AIR CONDITIONER]
A/C AUTO AMP.
A/C AUTO AMP.
Exploded ViewINFOID:0000000009463174
Removal and InstallationINFOID:0000000009463175
REMOVAL
1. Remove the

Page 2752 of 4801

NISSAN TEANA 2014 Service Manual
AMBIENT SENSORHAC-103
< REMOVAL AND INSTALLATION > [AUTOMATIC AIR CONDITIONER]
C
D E
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G H
J
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M A
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HAC
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AMBIENT SENSOR
Removal and InstallationINFOID:0000000009463176
REMOVAL
1. Remove the

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