Nissan Juke Service and Repair Manual : Insufficient cooling
Description
Symptom
• Insufficient cooling
• No cool air comes out. (Air flow volume is normal.)
Diagnosis Procedure
NOTE
:
Perform self-diagnoses with CONSULT-III before performing symptom diagnosis. If
any DTC is detected, perform
the corresponding diagnosis.
1.CHECK MAGNET CLUTCH OPERATION
1. Turn ignition switch ON.
2. Operate fan control dial.
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 diagnosis of “COMPRESSOR DOSE NOT OPERATE” in “SYMPTOM DIAGNOSIS”.
Refer to HAC-185, "Diagnosis Procedure".
2.CHECK DRIVE BELT
Check tension of drive belt. Refer to the following.
• HR16DE: Refer to EM-154, "Checking".
• MR16DDT: Refer to EM-20, "Checking".
• K9K: Refer to EM-276, "Checking Drive Belts".
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 recovery/recycling recharging equipment to the vehicle and perform pressure inspection with gauge.
Refer to the following.
• HR16DE: Refer to HA-28, "Symptom Table".
• MR16DDT: Refer to HA-83, "Symptom Table".
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 conditioning system for leakage.
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace parts depending on the inspection results.
5.CHECK AMBIENT TEMPERATURE DISPLAY
Check that there is not much difference between actual ambient temperature and indicated temperature on information display in combination meter.
Is the inspection result normal? YES >> GO TO 6.
NO >> Perform diagnosis for the A/C auto amp. connection recognition signal circuit. Refer to MWI-62, "Diagnosis Procedure".
6.CHECK SETTING OF TEMPERATURE SETTING TRIMMER
1. Check setting value of temperature setting trimmer. Refer to HAC-139, "Temperature Setting Trimmer".
2. Check that temperature setting trimmer is set to “+ direction”.
NOTE
:
The control temperature can be set with the setting of the temperature setting
trimmer.
3. Set difference between the set temperature and control temperature to “0”.
Is inspection result normal? YES >> INSPECTION END
NO >> Replace A/C auto amp. Refer to HAC-188, "Removal and Installation".
Automatic air conditioner system
Symptom Table
NOTE:
Perform self-diagnoses with CONSULT-III before performing the symptom diagnosis.
If any DTC is detected,
perform the corresponding diagnosis.
*: With K9K engine models ...
Insufficient heating
Description
Symptom
• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)
Diagnosis Procedure
NOTE:
Perform self-diagnoses with CONSULT-III before performing symptom diagn ...
Other materials:
C1140 actuator relay system
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn
ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
With CONSULT ...
Diagnosis system (BCM) (without intelligent key system)
Common item
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the fo ...
Flat towing
Towing your vehicle with all four wheels on the ground is sometimes called flat
towing. This method is sometimes used when towing a vehicle behind a recreational
vehicle, such as a motor home.
CAUTION
• Failure to follow these guidelines can result in severe transmission damage.
• Whenever fl ...