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HAC-308 < SYMPTOM DIAGNOSIS > [AUTO AIR CONDITIONER (W/NAVI)] INSUFFICIENT HEATING 8. CHECK ENGINE COOLANT SYSTEM Check engine control temperature sensor. Refer to XX-XX, "*****" HR16DE WITH EURO-OBD or XX-XX, "*****" HR16DE WITHOUT EURO-OBD or EC-808, "Component Inspection" MRDE or K9K. Is the inspection result normal? YES >> System OK. NO >> Repair or replace as necessary. Retest. 9. CHECK HEATER HOSES Check heater hoses for proper installation. Is the inspection result normal? YES >> System OK. NO >> 1. Back flush heater core. 2. Drain the water from the system. 3. Refill system with new engine coolant. Refer to CO-11, "Changing Engine Coolant" HR16DE CO-35, "Changing Engine Coolant" 4. GO TO 10 to retest. 10. CHECK HEATER HOSE TEMPERATURES 1. Start engine and warm it up to normal operating temperature. 2. Touch both the inlet and outlet heater hoses. Is the inspection result normal? YES >> System OK. NO >> Replace heater core. Refer to XXXX. |