Nissan Altima L32. Instruction — part 830
HAC-94
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
NOISE
NOISE
Component Function Check
INFOID:0000000004498240
SYMPTOM: Noise
INSPECTION FLOW
AWIIA1241GB
NOISE
HAC-95
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
*1
*2
(QR25DE) or
(VQ35DE)
*3
*4
HA-45, "Removal and Installation for
Expansion Valve"
*5
HA-35, "Removal and Installation for
Compressor - QR25DE Models"
or
HA-36, "Removal and Installation for
Compressor - VQ35DE Models"
*6
HA-35, "Removal and Installation for
Compressor - QR25DE Models"
HA-36, "Removal and Installation for
Compressor - VQ35DE Models"
*7
HA-21, "Maintenance of Oil Quantity
in Compressor"
*8
HAC-96
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
SELF-DIAGNOSIS CANNOT BE PERFORMED
SELF-DIAGNOSIS CANNOT BE PERFORMED
Diagnosis Procedure
INFOID:0000000004498242
SYMPTOM: Self-diagnosis cannot be performed.
1.
CHECK SELF-DIAGNOSIS FUNCTION
1. Press ignition switch ON.
2. Set in self-diagnosis mode as follows. Within 10 seconds after starting engine (ignition switch is Pressed
ON.), press OFF switch for at least 5 seconds.
NOTE:
• If battery voltage drops below 12 V during diagnosis STEP-3, door motor speed becomes slower and as a
result, the system may generate an error even when operation is normal. To avoid this, start engine before
performing this diagnosis.
• Former STEP-1 (LEDs are checked) does not exist in this self-diagnosis function.
• OFF switch may not be recognized according to the timing of pressing it. Operate OFF switch after turning
the intake switch LEDs (REC) ON.
Does self-diagnosis function operate?
YES
>> Inspection End.
NO
>> GO TO 2
2.
PERFORM COMPLETE OPERATIONAL CHECK
Perform a complete operational check and check for any symptoms. Refer to
HAC-5, "Description and Condi-
.
Can a symptom be duplicated?
YES
>> Refer to
HAC-83, "Symptom Matrix Chart"
.
NO
>> GO TO 3
3.
CHECK FOR SERVICE BULLETINS
Check for any service bulletins.
Have any service bulletins been issued?
YES
>> Refer to appropriate bulletin.
NO
>> GO TO 4
4.
CHECK POWER SUPPLY AND GROUND CIRCUIT OF FRONT AIR CONTROL
Check power supply and ground circuit of front air control. Refer to
Is the inspection result normal?
YES
>> Replace front air control. Refer to
VTL-8, "Removal and Installation"
.
NO
>> Repair or replace malfunctioning part(s).
MEMORY FUNCTION DOES NOT OPERATE
HAC-97
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
MEMORY FUNCTION DOES NOT OPERATE
Diagnosis Procedure
INFOID:0000000004498244
SYMPTOM: Memory function does not operate. The setting is not maintained (it returns to the initial condition).
Inspection procedure
1.
CHECK OPERATION
1. Set temperature control dial to 32
°C (90°F).
2. Press OFF switch.
3. Press ignition switch OFF.
4. Press ignition switch ON.
5. Press AUTO switch.
6. Check that the set temperature is maintained.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY AND GROUND CIRCUIT OF FRONT AIR CONTROL
Check power supply and ground circuit of front air control. Refer to
Is the inspection result normal?
YES
>> Replace front air control. Refer to
VTL-8, "Removal and Installation"
.
NO
>> Repair or replace malfunctioning part(s).
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