Nissan Juke F15. Manual — part 877
BLOWER MOTOR
HAC-143
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
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
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
MANUAL AIR CONDITIONING SYSTEM
HAC-145
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
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
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
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