Nissan Teana J32. Manual - part 707
MAGNET CLUTCH
HAC-197
< COMPONENT DIAGNOSIS >
[WITH 7 INCH DISPLAY]
C
D
E
F
G
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J
K
L
M
A
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HAC
N
O
P
MAGNET CLUTCH
Description
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The magnet clutch drives the compressor, by an IPDM E/R signal.
Component Function Check
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1.
FUNCTION INSPECTION
1.
Press AUTO switch.
2.
“AUTO” is indicated on the display.
3.
Check that the indicator of the A/C switch turns on. Check visually and by sound that the compressor is
operating (the discharge air temperature or fan speed varies depending on the ambient temperature, in-
vehicle temperature, and temperature setting).
4.
Press the A/C switch.
5.
Check that the indicator of the A/C switch turns OFF. Check visually and by sound that the compressor
stops.
Does it operate normally?
YES
>> INSPECTION END
NO
>> Perform trouble diagnosis for the compressor. Refer to
HAC-197, "Diagnosis Procedure"
Diagnosis Procedure
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1.
INSPECTION IN AUTO ACTIVE TEST MODE
Perform “AUTO ACTIVE TEST”. Refer to
PCS-11, "Diagnosis Description"
.
Does it operate normally?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK MAGNET CLUTCH
1.
Turn the ignition switch OFF.
2.
Disconnect the magnet clutch connector.
3.
Directly apply the battery voltage to the magnet clutch. Check for operation visually and by sound.
Does it operate normally?
YES
>> GO TO 3.
NO
>> Replace the compressor.
3.
CHECK MAGNET CLUTCH CIRCUIT CONTINUITY
1.
Turn the ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between magnet clutch harness connector and IPDM E/R harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK FUSE
Check 10A fuse (No. 49).
NOTE:
Refer to
PG-101, "Fuse, Connector and Terminal Arrangement"
for fuse location.
Is the inspection result normal?
YES
>> Replace IPDM E/R.
NO
>> Replace the fuse after repairing the applicable circuit.
IPDM E/R
Compressor
Continuity
Connector
Terminal
Connector
Terminal
F12
48
F18
1
Existed