Nissan Juke F15. Manual — part 878
INSUFFICIENT COOLING
HAC-147
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONING]
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INSUFFICIENT COOLING
Description
INFOID:0000000012200138
Symptom
• Insufficient cooling
• No cool air comes out. (Air flow volume is normal.)
Diagnosis Procedure
INFOID:0000000012200139
NOTE:
Perform self-diagnosis with CONSULT before performing symptom diagnosis. If any malfunction result or DTC
is detected, perform the corresponding diagnosis.
1.
CHECK MAGNET CLUTCH OPERATION
1. Turn ignition switch ON.
2. Turn fan control dial ON.
3. Press A/C switch.
4. Check that A/C indicator turns ON. Check visually and by sound that compressor operates.
5. Press A/C switch again.
6. Check that A/C indicator turns OFF. Check that compressor stops.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform the diagnosis of “COMPRESSOR DOES NOT OPERATE” in “SYMPTOM DIAGNOSIS”.
HAC-149, "Diagnosis Procedure"
2.
CHECK DRIVE BELT
Check tension of the drive belt. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Adjust or replace drive belt depending on the inspection results.
3.
CHECK REFRIGERANT CYCLE PRESSURE
Connect the recovery/recycling recharging equipment to the vehicle and perform the pressure inspection with
the gauge. Refer to
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace parts depending on the inspection results.
4.
CHECK AIR LEAKAGE FROM EACH DUCT
Check duct and nozzle, etc. of the air conditioner system for leakage.
Is the inspection result normal?
YES
>> Check air mix door cable installation and air mix door operation.
NO
>> Repair or replace parts depending on the inspection results.
HAC-148
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONING]
INSUFFICIENT HEATING
INSUFFICIENT HEATING
Description
INFOID:0000000012200140
Symptom
• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)
Diagnosis Procedure
INFOID:0000000012200141
NOTE:
Perform self-diagnosis with CONSULT before performing symptom diagnosis. If any malfunction result or DTC
is detected, perform the corresponding diagnosis.
1.
CHECK COOLING SYSTEM
1. Check engine coolant level and check for leakage. Refer to
.
2. Check radiator cap. Refer to
CO-14, "RADIATOR CAP : Inspection"
3. Check water flow sounds of the engine coolant. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Refill engine coolant and repair or replace parts depending on the inspection results.
2.
CHECK HEATER HOSE
Check installation of heater hose by visually or touching.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace parts depending on the inspection results.
3.
CHECK HEATER CORE
1. Check temperature of inlet hose and outlet hose of heater core.
2. Check that inlet side of heater core is hot and the outlet side is slightly lower than/almost equal to the inlet
side.
CAUTION:
Always perform the temperature inspection in a short period of time because the engine coolant
temperature is very hot.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace heater core. Refer to
HA-46, "HEATER CORE : Removal and Installation"
.
4.
CHECK AIR LEAKAGE FROM EACH DUCT
Check duct and nozzle, etc. of air conditioning system for air leakage.
Is the inspection result normal?
YES
>> Check air mix door cable installation and air mix door operation.
NO
>> Repair or replace parts depending on the inspection results.
COMPRESSOR DOES NOT OPERATE
HAC-149
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONING]
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COMPRESSOR DOES NOT OPERATE
Description
INFOID:0000000012200142
SYMPTOM
Compressor does not operate.
Diagnosis Procedure
INFOID:0000000012200143
NOTE:
• Perform self-diagnosis with CONSULT before performing symptom diagnosis. If any malfunction result or
DTC is detected, perform the corresponding diagnosis.
• Check that refrigerant is enclosed in cooler cycle normally. If the refrigerant amount is shortage from proper
amount, perform the inspection of refrigerant leakage
1.
CHECK A/C INDICATOR
1. Turn ignition switch ON.
2. Operate blower motor.
3. Check that A/C indicator is turned ON/OFF when operating A/C switch.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK MAGNET CLUTCH OPERATION
Check magnet clutch. Refer to
HAC-144, "Component Function Check"
Does it operate normally?
YES
>> GO TO 3.
NO
>> Repair or replace malfunctioning parts.
3.
CHECK REFRIGERANT PRESSURE SENSOR
Check refrigerant pressure sensor. Refer to
EC-568, "Component Function Check"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace malfunctioning parts.
4.
CHECK BCM OUTPUT SIGNAL
With CONSULT
1. Select “DATA MONITOR” mode of “ECM” using CONSULT.
2. Select “AIR COND SIG” and “HEATER FAN SW”, and check status under the following conditions.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-37, "Removal and Installation"
.
NO
>> Replace BCM. Refer to
BCS-94, "Removal and Installation"
5.
CHECK A/C SWITCH
Check A/C switch. Refer to
HAC-130, "Component Function Check"
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace the malfunctioning parts.
6.
CHECK BLOWER FAN ON SIGNAL
Monitor item
Condition
Status
AIR COND SIG
A/C switch
OFF (A/C indicator: OFF)
Off
ON (A/C indicator: ON)
On
HEATER FAN SW
Blower motor
OFF
Off
ON
On
HAC-150
< SYMPTOM DIAGNOSIS >
[MANUAL AIR CONDITIONING]
COMPRESSOR DOES NOT OPERATE
Check blower fan ON signal. Refer to
HAC-132, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace the malfunctioning parts
7.
CHECK THERMO CONTROL AMP.
Check thermo control amp. Refer to
HAC-134, "Component Function Check"
.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-94, "Removal and Installation"
NO
>> Repair or replace the malfunctioning parts
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