Nissan Tiida C11. Instruction — part 852
HAC-72
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONER]
AIR CONDITIONER CONTROL
SYMPTOM DIAGNOSIS
AIR CONDITIONER CONTROL
Symptom Matrix Chart
INFOID:0000000001203074
SYMPTOM TABLE
Symptom
Reference Page
Air outlet does not change.
Go to Trouble Diagnosis Procedure for Mode Door.
Discharge air temperature does not
change.
Go to Trouble Diagnosis Procedure for Air Mix Door.
Intake door does not change.
Go to Trouble Diagnosis Procedure for Intake Door.
Blower motor operation is malfunctioning.
Go to Trouble Diagnosis Procedure for Blower Motor.
Magnet clutch does not engage in A/C, de-
frost/foot, or defrost mode.
Go to Trouble Diagnosis Procedure for Magnet Clutch.
Insufficient cooling
Go to Trouble Diagnosis Procedure for Insufficient Cooling.
Insufficient heating
Go to Trouble Diagnosis Procedure for Insufficient Heating.
Noise
Go to Trouble Diagnosis Procedure for Noise.
INSUFFICIENT COOLING
HAC-73
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONER]
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HAC
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INSUFFICIENT COOLING
Component Function Check
INFOID:0000000001547073
SYMPTOM: Insufficient cooling
INSPECTION FLOW
1.
CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - TEMPERATURE DECREASE
1.
Turn temperature control dial counterclockwise to maximum cold position.
2.
Check for cold air at discharge air outlets.
Can the symptom be duplicated?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK FOR ANY SYMPTOMS
Perform a complete operational check for any symptoms. Refer to
Does another symptom exist?
YES
>> Refer to
HAC-5, "How to Perform Trouble Diagnosis For Quick and Accurate Repair"
.
NO
>> System OK.
3.
CHECK FOR SERVICE BULLETINS
Check for any service bulletins.
>> GO TO 4.
4.
CHECK COMPRESSOR DRIVE BELT TENSION
Check compressor belt tension. Refer to
(HR16DE) or
EM-142, "Checking Drive Belts"
EM-263, "Inspection and Adjustment"
(K9K).
OK or NG
OK
>> GO TO 5.
NG
>> Adjust or replace compressor belt. Refer to
(HR16DE) or
EM-263, "Inspection and Adjustment"
(K9K)
5.
CHECK AIR MIX DOOR CABLE
Check and verify air mix door cable operation. Refer to XXXX AIR MIX DOOR CABLE ADJUST.
Does air mix door operate correctly?
YES
>> GO TO 6.
NO
>> Repair or replace as necessary.
6.
CHECK COOLING FAN MOTOR OPERATION
Check and verify cooling fan motor for smooth operation. Refer to XX-XX, "*****".
Does cooling fan motor operate correctly?
YES
>> GO TO 7.
NO
>> Check cooling fan motor. Refer to XX-XX, "*****".
7.
CHECK FOR EVAPORATOR FREEZE UP
Start engine and run A/C. Check for evaporator freeze up.
Does evaporator freeze up?
YES
>> Perform performance test diagnoses. Refer to "PERFORMANCE TEST DIAGNOSIS".
NO
>> GO TO 8.
8.
CHECK REFRIGERANT PRESSURE
Check refrigerant pressure with manifold gauge connected. Refer to "Test Reading".
OK or NG
OK
>> GO TO 9.
NG
>> Perform performance test diagnoses. Refer to "PERFORMANCE TEST DIAGNOSIS".
HAC-74
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONER]
INSUFFICIENT COOLING
9.
CHECK AIR DUCTS
Check ducts for air leaks.
OK or NG
OK
>> If the symptom still exists, perform a complete operational check. Refer to
. If other symptoms exist, refer to
HAC-5, "How to Perform Trouble Diagnosis For Quick
NG
>> Repair air leaks.
Performance Test Diagnoses
INFOID:0000000001547074
PERFORMANCE TEST DIAGNOSIS
RJIA1601E
INSUFFICIENT COOLING
HAC-75
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONER]
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Performance Chart
INFOID:0000000001547075
PERFORMANCE CHART
Test Condition
*1
"PERFORMANCE CHART"
*2
"Test Reading"
*3
"TROUBLE DIAGNOSIS FOR UN-
USUAL PRESSURE "
*4
*1
XXXX REMOVAL OF COMPRES-
SOR
*2
XXXX BLOWER MOTOR CIR.
*3
XX-XX, "*****"
RJIA3107E
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