Nissan Juke (2016 year). Service Repair Manual — part 438
BLOWER MOTOR
HAC-141
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
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YES
>> GO TO 6.
NO
>> Repair harness or connector.
6.
CHECK FAN SWITCH 4 POSITION CIRCUIT FOR OPEN
Check continuity between A/C control harness connector and blower motor harness connector.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair the harness or connector.
7.
CHECK BLOWER FAN RESISTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect blower fan resistor connector.
3. Turn ignition switch ON.
4. Check voltage between blower fan resistor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair harness or connector between blower fan resistor and blower motor.
8.
CHECK BLOWER FAN RESISTOR
1. Turn the ignition switch OFF.
2. Check blower fan resistor. Refer to
HAC-142, "Component Inspection (Blower Fan Resistor)"
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace blower fan resistor. Refer to
HAC-154, "Removal and Installation"
9.
CHECK FAN SWITCH 1, 2, 3 POSITION CIRCUIT FOR OPEN
Check continuity between A/C control harness connector and blower fan resistor.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair harness or connector.
10.
CHECK FAN SWITCH
Check fan switch. Refer to
HAC-142, "Component Inspection (Fan Switch)"
Is the inspection result normal?
YES
>> Replace blower motor. Refer to
VTL-14, "Removal and Installation"
.
NO
>> Replace A/C control. Refer to
HAC-151, "Removal and Installation"
A/C control
Blower motor
Continuity
Connector
Terminal
Connector
Terminal
M53
13
M39
2
Existed
+
−
Voltage
Blower fan resistor
Connector
Terminal
M346
4
Ground
Battery voltage
A/C control
Blower fan resistor
Continuity
Connector
Terminal
Connector
Terminal
M53
10
M346
1
Existed
11
2
12
3
Revision: November 2015
2016 JUKE
HAC-142
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
BLOWER MOTOR
Component Inspection (Blower Motor)
INFOID:0000000012200131
1.
CHECK BLOWER MOTOR
1. Remove blower motor. Refer to
VTL-14, "Removal and Installation"
2. Check that there is not any mixing foreign object in the blower motor.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace blower motor. Refer to
VTL-14, "Removal and Installation"
.
2.
CHECK BLOWER MOTOR
Check that there is not breakage or damage in the blower motor.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace blower motor. Refer to
VTL-14, "Removal and Installation"
.
3.
CHECK BLOWER MOTOR
Check that blower motor turns smoothly.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower motor. Refer to
VTL-14, "Removal and Installation"
.
Component Inspection (Blower Relay)
INFOID:0000000012200132
1.
CHECK BLOWER RELAY
1. Remove blower relay. Refer to
PG-81, "Fuse and Fusible Link Arrangement"
.
2. Check continuity between blower relay terminal 3 and 5 when
the voltage is supplied between terminal 1 and 2.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower relay.
Component Inspection (Blower Fan Resistor)
INFOID:0000000012200133
1.
CHECK BLOWER FAN RESISTOR
1. Disconnect blower fan resistor connector.
2. Check resistance between blower fan resistor terminals. Refer to applicable table for the normal value.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower fan resistor. Refer to
HAC-154, "Removal and Installation"
Component Inspection (Fan Switch)
INFOID:0000000012200134
1.
CHECK FAN SWITCH
Terminal
Voltage
Continuity
3
5
ON
Existed
OFF
Not existed
JSIIA1551ZZ
Terminal
Resistance:
Ω
(Approx.)
4
3
0.43
2
1.03
1
3
Revision: November 2015
2016 JUKE
BLOWER MOTOR
HAC-143
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
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Check continuity between A/C control terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace A/C control. Refer to
HAC-151, "Removal and Installation"
Terminal
Condition
Continuity
Fan control dial po-
sition
9
10
1st
Existed
11
2nd
12
3rd
13
4th
Revision: November 2015
2016 JUKE
HAC-144
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
MAGNET CLUTCH
MAGNET CLUTCH
Component Function Check
INFOID:0000000012200135
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
HAC-144, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000012200136
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
MANUAL AIR CONDITIONING SYSTEM
HAC-145
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONING]
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SYMPTOM DIAGNOSIS
MANUAL AIR CONDITIONING SYSTEM
Symptom Table
INFOID:0000000012200137
NOTE:
Perform self-diagnosis with CONSULT before performing the symptom diagnosis. If any malfunction result or
DTC is detected, perform the corresponding diagnosis.
Symptom
Corresponding malfunction part
Check item/Reference
• Blower motor does not operate at any dial position.
• Blower motor does not operate at any dial position other
than 4, or operation speed is not normal.
• Blower motor
• Blower motor power supply circuit
• The circuit between blower motor
and fan switch
• The circuit between blower motor
and blower fan resistor
• The circuit between blower fan re-
sistor and fan switch (A/C control)
• Blower fan resistor
• Fan switch (A/C control)
HAC-140, "Diagnosis Proce-
dure"
• A/C indicator does not turn ON.
(Compressor operates)
• A/C indicator does not turn OFF.
(Compressor stops)
• A/C indicator (A/C control) power
supply circuit
• The circuit between A/C indicator
(A/C control) and BCM
• A/C indicator (A/C control)
• BCM
HAC-138, "Diagnosis Proce-
dure"
Compressor does not operate.
(Blower motor operates)
• Magnet clutch
• The circuit between magnet clutch
and IPDM E/R
• IPDM E/R (A/C relay)
• The circuit between ECM and re-
frigerant pressure sensor
• Refrigerant pressure sensor
• A/C ON signal circuit
• Blower fan ON signal circuit
• CAN communication line
• A/C control
• Thermo control amp.
• BCM
HAC-149, "Diagnosis Proce-
dure"
When the MODE dial is set to D/F or DEF, there is the com-
pressor does not operate. (A/C switch is normal)
• Defroster position signal circuit
• A/C control
• BCM
HAC-136, "Component Func-
tion Check"
• 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
HAC-147, "Diagnosis Proce-
dure"
• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)
• Engine cooling system
• Heater hose
• Heater core
• Air leakage from each duct
HAC-148, "Diagnosis Proce-
dure"
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-142, "Component Inspec-
tion (Blower Motor)"
Discharge air temperature does not change.
• A/C control
• Air mix door cable
• Air mix door
Check the air mix door installa-
tion and door operation
Revision: November 2015
2016 JUKE
HAC-146
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONING]
MANUAL AIR CONDITIONING SYSTEM
Air outlet does not change.
• A/C control
• Mode door cable
• Mode door
Check the mode door installa-
tion and door operation
Air inlet does not change.
• A/C control
• Intake door cable
• Intake door
Check the intake door installa-
tion and door operation
Symptom
Corresponding malfunction part
Check item/Reference
Revision: November 2015
2016 JUKE
INSUFFICIENT COOLING
HAC-147
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONING]
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INSUFFICIENT COOLING
Description
INFOID:0000000012200138
Symptom
• Insufficient cooling
• No cool air comes out. (Air flow volume is normal.)
Diagnosis Procedure
INFOID:0000000012200139
NOTE:
Perform self-diagnosis with CONSULT before performing symptom diagnosis. If any malfunction result or DTC
is detected, perform the corresponding diagnosis.
1.
CHECK MAGNET CLUTCH OPERATION
1. Turn ignition switch ON.
2. Turn fan control dial ON.
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 the diagnosis of “COMPRESSOR DOES NOT OPERATE” in “SYMPTOM DIAGNOSIS”.
HAC-149, "Diagnosis Procedure"
2.
CHECK DRIVE BELT
Check tension of the 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 the recovery/recycling recharging equipment to the vehicle and perform the pressure inspection with
the gauge. Refer to
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 conditioner system for leakage.
Is the inspection result normal?
YES
>> Check air mix door cable installation and air mix door operation.
NO
>> Repair or replace parts depending on the inspection results.
Revision: November 2015
2016 JUKE
HAC-148
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONING]
INSUFFICIENT HEATING
INSUFFICIENT HEATING
Description
INFOID:0000000012200140
Symptom
• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)
Diagnosis Procedure
INFOID:0000000012200141
NOTE:
Perform self-diagnosis with CONSULT before performing symptom diagnosis. If any malfunction result or DTC
is detected, perform 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 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 air conditioning system for air leakage.
Is the inspection result normal?
YES
>> Check air mix door cable installation and air mix door operation.
NO
>> Repair or replace parts depending on the inspection results.
Revision: November 2015
2016 JUKE
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