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HAC-234 < SYMPTOM DIAGNOSIS > [MANUAL AIR CONDITIONING] INSUFFICIENT HEATING INSUFFICIENT HEATING FRONT MANUAL AIR CONDITIONING SYSTEM FRONT MANUAL AIR CONDITIONING SYSTEM : Description INFOID:0000000009652676 Symptom • Insufficient heating FRONT MANUAL AIR CONDITIONING SYSTEM : Diagnosis Procedure INFOID:0000000009652677 NOTE: 1. CHECK COOLING SYSTEM 1. Check engine coolant level and check for leakage. Refer to 2. Check radiator cap. Refer to the CO-12, "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 the parts depending on the inspection results. 2. CHECK FRONT HEATER HOSE Check installation of front 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 FRONT HEATER CORE 1. Check temperature of inlet hose and outlet hose of front heater core. 2. Check that inlet side of front heater core is hot and the outlet side is slightly lower than/almost equal to the CAUTION: Always perform the temperature inspection in a short period of time because the engine coolant Is the inspection result normal? YES >> GO TO 4. NO >> Replace front heater core. Refer to HA-54, "HEATER CORE : Removal and Installation" 4. CHECK AIR LEAKAGE FROM EACH DUCT Check duct and nozzle, etc. of the front air conditioning for air leakage. Is the inspection result normal? YES >> INSPECTION END NO >> Repair or replace parts depending on the inspection results. REAR MANUAL AIR CONDITIONING SYSTEM REAR MANUAL AIR CONDITIONING SYSTEM : Description INFOID:0000000009652678 Symptom • Insufficient heating REAR MANUAL AIR CONDITIONING SYSTEM : Diagnosis Procedure INFOID:0000000009652679 NOTE: |