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EC-326 < COMPONENT DIAGNOSIS > [HR16DE (WITH EURO-OBD)] REFRIGERANT PRESSURE SENSOR REFRIGERANT PRESSURE SENSOR Description INFOID:0000000001671117 The refrigerant pressure sensor is installed at the condenser of the air conditioner system. The sensor uses an Component Function Check INFOID:0000000001671118 1. CHECK REFRIGERANT PRESSURE SENSOR OVERALL FUNCTION 1. Start engine and warm it up to normal operating temperature. 2. Turn A/C switch and blower fan switch ON. 3. Check the voltage between ECM harness connector terminals as follows. Is the inspection result normal? YES >> INSPECTION END NO >> Go to Diagnosis Procedure INFOID:0000000001671119 1. CHECK GROUND CONNECTION 1. Turn A/C switch and blower fan switch OFF. 2. Stop engine. 3. Turn ignition switch OFF. 4. Check ground connection E15. Refer to Ground Inspection in . Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2. CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT 1. Disconnect refrigerant pressure sensor harness connector. 2. Turn ignition switch ON. 3. Check the voltage between refrigerant pressure sensor harness connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 3. PBIB2657E (+) (–) Voltage Connector Terminal Connector Terminal F11 41 (Refrigerant pressure sensor signal) F11 48 1.0 - 4.0V Refrigerant pressure sensor Ground Voltage Connector Terminal E17 3 Ground Approx. 5V |