Nissan Juke Service and Repair Manual : 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 diagnosis. If any DTC is detected, perform the corresponding diagnosis.

1.CHECK COOLING SYSTEM

1. Check engine coolant level and check for leakage. Refer to CO-11, "Inspection".

2. Check radiator cap. Refer to CO-15, "RADIATOR CAP : Inspection".

3. Check water flow sounds of the engine coolant. Refer to CO-12, "Refilling".

Is the inspection result normal? YES >> GO TO 2.

NO >> Refill engine coolant and repair or replace the 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-116, "HEATER CORE : Removal and Installation".

4.CHECK AIR LEAKAGE FROM EACH DUCT

Check duct and nozzle, etc. of the air conditioning system for air leakage.

Is the inspection result normal? YES >> GO TO 5.

NO >> Repair or replace parts depending on the inspection results.

5.CHECK SETTING OF TEMPERATURE SETTING TRIMMER

1. Check setting value of temperature setting trimmer. Refer to HAC-48, "Temperature Setting Trimmer".

2. Check that temperature setting trimmer is set to “− direction”.

NOTE

:
The control temperature can be set by the temperature setting trimmer.

3. Set difference between the set temperature and control temperature to “0”.

Are the symptoms solved? YES >> INSPECTION END

NO >> Replace A/C auto amp. Refer to HAC-91, "Removal and Installation".

    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 diagn ...

    Compressor dose dot operate
    Description SYMPTOM Compressor dose not operate. Diagnosis Procedure NOTE: • Perform self-diagnoses with CONSULT-III before performing symptom diagnosis. If any DTC is detected, perform the co ...

    Other materials:

    P0075 IVT control solenoid valve
    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 TO2. 2.PERFORM DTC CONFIRMATION PROCEDURE ...

    High pressure supply pump
    Exploded View 1. High pressure supply pump protector 2. High pressure supply pump : N·m (kg-m, ft-lb) Removal and Installation REMOVAL CAUTION: • Be sure to read “Precautions for Diesel Equipment”. Refer to EM-263, "Precaution for Diesel Equipment". • Wait until the fuel tempe ...

    Oil pump fitting bolt
    Description Replace the oil pump fitting bolt and the O-ring if oil leakage or exudes from the oil pump fitting bol Exploded View 1. Oil pump fitting bolt 2. O-ring 3. Transaxle assembly : Always replace after every disassembly. : N·m (kg-m, ft-lb) : Genuine NISSAN CVT Fluid NS-2 Re ...