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-diagnosis with CONSULT-III 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 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 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 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.
Insufficient cooling
Description Symptom • Insufficient cooling • No cool air comes out. (Air flow volume is normal.) Diagnosis Procedur NOTE: Perform self-diagnosis with CONSULT-III before performing symptom diagno ...Compressor dose dot operate
Description SYMPTOM Compressor dose not operate. Diagnosis Procedure NOTE: • Perform self-diagnosis with CONSULT-III before performing symptom diagnosis. If any malfunction result or DTC is de ...Other materials:
DTC/circuit diagnosis
Blower motor
Diagnosis Procedure
1.CHECK SYMPTOM
Check symptom (A or B).
Which symptom is detected?
A >> GO TO 2.
B >> GO TO 7.
2.CHECK FUSE
1. Turn ignition switch OFF.
2. Check 15A fuses (Nos. 14 and 16, located in fuse block (J/B)].
NOTE:
Refer to PG-22, "Fuse, ...
Spark plug
Exploded View
1. Rocker cover protector
2. O-ring
3. PCV valve
4. PCV hose
5. Clamp
6. Rocker cover gasket
7. Rocker cover
8. Clamp
9. PCV hose
10. Oil filler cap
11. Spark plug
12. Ignition coil
A. To air duct assembly
B. Tightening must be done following
the installation ...
Diagnosis and repair work flow
Flowchart of Trouble Diagnosis
NOTE:
“DTC” includes DTC at the 1st trip.
1.OBTAIN INFORMATION ABOUT SYMPTOM
1. Refer to TM-372, "Question sheet" and interview the customer to obtain the
malfunction information (conditions
and environment when the malfunction occurred) as much as p ...