Nissan Qashqai (2007-2010). Manual — part 952
HAC-168
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
PTC HEATER
Check continuity between terminal 3 and 5.
Terminal
Condition
Continuity
3 and 5
12V direct current supply between terminal 1 and 2
Exist
No current supply
Not exist
PBIB0098E
POWER SUPPLY AND GROUND CIRCUIT FOR HEATER CONTROL PANEL
HAC-169
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
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HAC
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POWER SUPPLY AND GROUND CIRCUIT FOR HEATER CONTROL PAN-
EL
Description
INFOID:0000000001115374
COMPONENT DESCRIPTION
Heater Control Panel
Power Supply and Ground Circuit for Heater Control Panel
Component Function Check
INFOID:0000000001115375
1.
CONFIRM SYMPTOM BY PERFORMING THE FOLLOWING OPERATIONAL CHECK
1.
Turn fan control dial to the desired (1 to 4 speed) position.
2.
Press A/C switch.
3.
A/C switch indicator will turn ON. Confirm that the magnet clutch engages (sound or visual inspection).
Does magnet clutch engaged?
YES
>> END.
NO
>> Go to Diagnosis Procedure. Refer to
HAC-169, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000001115376
1.
CHECK POWER SUPPLY CIRCUIT FOR HEATER CONTROL PANEL
1.
Disconnect heater control panel connector.
2.
Check voltage between heater control panel harness connector M54 terminals 1 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
1.
Heater control panel
JPIIA0032ZZ
JSIIA0305GB
(+)
(-)
Ignition switch position
Heater control panel
—
OFF
ACC
ON
Connector
Terminal
M54
1
Ground
Approx. 0 V
Approx. 0 V
Battery voltage
HAC-170
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
POWER SUPPLY AND GROUND CIRCUIT FOR HEATER CONTROL PANEL
2.
CHECK FUSE
Check 10A fuses [Nos. 4, located in the fuse block (J/B)]. Refer to
PG-110, "Fuse, Connector and Terminal
Is the inspection result normal?
YES
>> Check harness for open circuit. Repair or replace if necessary.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
3.
CHECK GROUND CIRCUIT FOR HEATER CONTROL PANEL
1.
Turn ignition switch OFF.
2.
Check continuity between heater control panel harness connector M54 terminal 20 and ground.
Is the inspection result normal?
YES
>> Replace heater control panel.
NO
>> Repair harness or connector.
Heater control panel
—
Continuity
Connector
Terminal
M54
20
Ground
Continuity should exist
MANUAL AIR CONDITIONER SYSTEM
HAC-171
< COMPONENT DIAGNOSIS >
[MANUAL AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
MANUAL AIR CONDITIONER SYSTEM
Wiring Diagram — AIR CONDITIONER CONTROL SYSTEM —
INFOID:0000000001109245
JCIWA0042GB
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