Nissan Qashqai J11. Manual — part 1119
HAC-112
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
BLOWER MOTOR
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> GO TO 9.
9.
CHECK POWER TRANSISTOR CONTROL SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect power transistor connector and A/C auto amp. connector.
3.
Check continuity between power transistor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-129, "Removal and Installation"
.
NO
>> Repair harness or connector.
10.
CHECK BLOWER MOTOR FEEDBACK SIGNAL
When fan speed is set to OFF, and check voltage between power transistor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> GO TO 11.
11.
CHECK BLOWER MOTOR FEEDBACK SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect power transistor connector and A/C auto amp. connector.
3.
Check continuity between power transistor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-129, "Removal and Installation"
.
NO
>> Repair harness or connector.
12.
REPLACE POWER TRANSISTOR
1.
Turn ignition switch OFF.
2.
Replace power transistor. Refer to
HAC-136, "Removal and Installation"
3.
Turn ignition switch ON.
4.
Change fan speed from 1st – 7th, and check that blower motor operates normally.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower motor. Refer to
VTL-17, "Removal and Installation"
.
Component Inspection (Blower Motor)
INFOID:0000000010432236
1.
CHECK BLOWER MOTOR-I
1.
Remove blower motor. Refer to
VTL-17, "Removal and Installation"
2.
Check that there is not any mixing foreign object in the blower motor.
Is the inspection result normal?
Power transistor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M359
3
M140
27
Existed
+
−
Voltage
Power transistor
Connector
Terminal
M359
1
Ground
Battery voltage
Power transistor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M359
1
M140
37
Existed
BLOWER MOTOR
HAC-113
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
YES
>> GO TO 2.
NO
>> Replace blower motor. Refer to
VTL-17, "Removal and Installation"
.
2.
CHECK BLOWER MOTOR-II
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-17, "Removal and Installation"
.
3.
CHECK BLOWER MOTOR-III
Check that blower motor turns smoothly.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower motor. Refer to
VTL-17, "Removal and Installation"
.
Component Inspection (Blower Relay)
INFOID:0000000010432237
1.
CHECK BLOWER RELAY
1.
Remove blower relay. Refer to
PG-104, "Fuse, Connector and Terminal 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.
Terminal
Voltage
Continuity
3
5
ON
Existed
OFF
Not existed
JSIIA1551ZZ
HAC-114
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
MAGNET CLUTCH
MAGNET CLUTCH
Component Function Check
INFOID:0000000010432238
1.
CHECK MAGNET CLUTCH OPERATION
CONSULT ACTIVE TEST
1.
Select “COMPRESSOR” of IPDM E/R active test item.
2.
With operating the test item, check magnet clutch operation by listening and viewing.
Does it operate normally?
YES
>> INSPECTION END
NO
>> Refer to
HAC-114, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010432239
1.
CHECK MAGNET CLUTCH
CONSULT
1.
Turn ignition switch OFF
2.
Disconnect compressor connector.
3.
Select “COMPRESSOR” of IPDM E/R active test item.
4.
With operating the test item, check Check voltage between compressor harness connector and ground.
Does it operate normally?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK FUSE
1.
Turn ignition switch OFF
2.
Check 15 A fuse (No. 57, located in IPDM E/R).
NOTE:
Refer to
PG-109, "Fuse, Connector and Terminal Arrangement"
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
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-68, "Removal and Installation"
NO
>> Repair harness or connector.
4.
CHECK MAGNET CLUTCH GROUND CIRCUIT FOR OPEN
Check continuity between compressor harness connector and ground.
+
−
Condition
Voltage
Compressor
Connector
Terminal
F6
1
Ground
Active test: COM-
PRESSOR
Off
0 - 0.1 V
On
11 - 14 V
IPDM E/R
Compressor
Continuity
Connector
Terminal
Connector
Terminal
F90
95
F6
1
Existed
MAGNET CLUTCH
HAC-115
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> Replace compressor. Refer to
HA-31, "Removal and Installation"
HA-75, "Removal and Installation"
. (K9K and R9M engine models for
Europe),
HA-122, "Removal and Installation"
(HRA2DDT, MR16DDT and MR20DD engine mod-
els except for Europe) or
HA-171, "Removal and Installation"
. (K9K and R9M engine models
except for Europe).
NO
>> Repair harness or connector.
Compressor
—
Continuity
Connector
Terminal
F6
2
Ground
Existed
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