Nissan Juke (2016 year). Service Repair Manual — part 431
MAGNET CLUTCH
HAC-85
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
MAGNET CLUTCH
Component Function Check
INFOID:0000000012200072
1.
CHECK MAGNET CLUTCH OPERATION
Perform auto active test of IPDM E/R. Refer to
PCS-12, "Diagnosis Description"
.
Does it operate normally?
YES
>> INSPECTION END
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000012200073
1.
CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10A fuse (No. 49, located in IPDM E/R).
NOTE:
PG-82, "Fuse, Connector and Terminal Arrangement"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.
CHECK MAGNET CLUTCH
1. Disconnect compressor connector.
2. Directly apply battery voltage to the magnet clutch. Check for operation visually and by sound.
Does it operate normally?
YES
>> GO TO 3.
NO
>> Replace magnet clutch. Refer to
HA-30, "MAGNET CLUTCH : Removal and Installation of Com-
3.
CHECK MAGNET CLUTCH POWER SUPPLY CIRCUIT FOR OPEN
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector and compressor harness connector.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-37, "Removal and Installation"
.
NO
>> Repair harness or connector.
IPDM E/R
Compressor
Continuity
Connector
Terminal
Connector
Terminal
E15
56
F17
1
Existed
Revision: November 2015
2016 JUKE
HAC-86
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
AUTOMATIC AIR CONDITIONER SYSTEM
SYMPTOM DIAGNOSIS
AUTOMATIC AIR CONDITIONER SYSTEM
Symptom Table
INFOID:0000000012200074
NOTE:
Perform self-diagnoses with CONSULT before performing the symptom diagnosis. If any DTC is detected,
perform the corresponding diagnosis.
Symptom
Corresponding malfunction part
Check item/Reference
• Air conditioning system does
not activate.
• Air conditioning system can-
not be controlled.
• Operation status of air condi-
tioning system is not indicat-
ed on display.
Fail-safe activates
Multi display unit
Fail-safe does not acti-
vate
• A/C auto amp. ignition power supply
and ground circuit
• A/C auto amp.
HAC-75, "A/C AUTO AMP. : Di-
agnosis Procedure"
Discharge air temperature does not change.
Air mix door motor system installation
condition
Check air mix door motor sys-
tem is properly installed. Refer
to
.
Air outlet does not change.
Mode door motor system installation
condition
Check mode door motor system
is properly installed. Refer to
.
Air inlet does not change.
Intake door motor system installation
condition
Check intake door motor system
is properly installed. Refer to
.
Blower motor does not operates or operation speed is not
normal.
• Blower motor power supply circuit
• Blower motor control circuit
• A/C auto amp. ignition power supply
circuit
• Power transistor power supply and
ground circuit
• Power transistor control signal cir-
cuit
• Blower motor
• Power transistor
• A/C auto amp.
Compressor does not operate.
• Magnet clutch
• The circuit between magnet clutch
and IPDM E/R
• IPDM E/R (A/C relay)
• The circuit between ECM and refrig-
erant pressure sensor
• Refrigerant pressure sensor
• A/C ON signal circuit
• Blower fan ON signal circuit
• A/C auto amp.
• Insufficient cooling
• No cool air comes out. (Air flow volume is normal.)
• Magnet clutch control system
• Drive belt slipping
• Cooler cycle
• Air leakage from each duct
• A/C auto amp. connection recogni-
tion signal circuit
• Temperature setting trimmer
• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)
• Engine cooling system
• Heater hose
• Heater core
• Air leakage from each duct
• Temperature setting trimmer
Revision: November 2015
2016 JUKE
AUTOMATIC AIR CONDITIONER SYSTEM
HAC-87
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Noise is heard when the A/C
system operates.
During compressor op-
eration
Cooler cycle
During blower motor op-
eration
• Mixing any foreign object in blower
motor
• Blower motor fan breakage
• Blower motor rotation inferiority
HAC-83, "Component Inspec-
tion (Blower Motor)"
• Memory function does not operate normally.
• The setting is not maintained. (It returns to initial condi-
tion)
• A/C auto amp. battery power supply
circuit
• A/C auto amp.
HAC-75, "A/C AUTO AMP. : Di-
agnosis Procedure"
Symptom
Corresponding malfunction part
Check item/Reference
Revision: November 2015
2016 JUKE
HAC-88
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
INSUFFICIENT COOLING
INSUFFICIENT COOLING
Description
INFOID:0000000012200075
Symptom
• Insufficient cooling
• No cool air comes out. (Air flow volume is normal.)
Diagnosis Procedure
INFOID:0000000012200076
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.
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”.
2.
CHECK DRIVE BELT
Check tension of drive belt. Refer to
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.
.
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 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 actual 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
6.
CHECK SETTING OF TEMPERATURE SETTING TRIMMER
1. Check setting value of temperature setting trimmer. Refer to
HAC-50, "Temperature Setting Trimmer"
.
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.
Revision: November 2015
2016 JUKE
INSUFFICIENT COOLING
HAC-89
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
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-93, "Removal and Installation"
Revision: November 2015
2016 JUKE
HAC-90
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
INSUFFICIENT HEATING
INSUFFICIENT HEATING
Description
INFOID:0000000012200077
Symptom
• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)
Diagnosis Procedure
INFOID:0000000012200078
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
.
2. Check radiator cap. Refer to
CO-14, "RADIATOR CAP : Inspection"
3. Check water flow sounds of the engine coolant. Refer to
.
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"
.
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
>> GO TO 5.
NO
>> Repair or replace parts depending on the inspection results.
5.
CHECK SETTING OF TEMPERATURE SETTING TRIMMER
1. Check setting value of temperature setting trimmer. Refer to
HAC-50, "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-93, "Removal and Installation"
Revision: November 2015
2016 JUKE
COMPRESSOR DOES NOT OPERATE
HAC-91
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
COMPRESSOR DOES NOT OPERATE
Description
INFOID:0000000012200079
SYMPTOM
Compressor does not operate.
Diagnosis Procedure
INFOID:0000000012200080
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-85, "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-568, "Component Function Check"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace malfunctioning parts.
3.
CHECK A/C ON SIGNAL
Check A/C ON signal. Refer to
HAC-77, "Component Function Check"
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace malfunctioning parts.
4.
CHECK BLOWER FAN ON SIGNAL
Check blower fan ON signal. Refer to
HAC-79, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace malfunctioning parts
5.
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-37, "Removal and Installation"
.
NO
>> Replace BCM. Refer to
BCS-94, "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
Revision: November 2015
2016 JUKE
HAC-92
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
CONTROLLER
REMOVAL AND INSTALLATION
CONTROLLER
Removal and Installation
INFOID:0000000012200081
REMOVAL
Remove multi display unit. Refer to
IP-13, "Removal and Installation"
.
INSTALLATION
Install in the reverse order of removal.
Revision: November 2015
2016 JUKE
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст