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REFRIGERANT PRESSURE SENSOR EC-481 < DTC/CIRCUIT DIAGNOSIS > [VK56DE] C D E F G H I J K L M A EC N P O REFRIGERANT PRESSURE SENSOR Component Description INFOID:0000000009886930 The refrigerant pressure sensor is installed at the condenser of the air conditioner system. The sensor uses an electrostatic volume pressure transducer to convert refrigerant pressure to voltage. The voltage signal is sent to ECM. Diagnosis Procedure INFOID:0000000009886931 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 voltage between ECM terminal 70 and ground with CON- SULT or tester. OK or NG OK >> INSPECTION END NG >> GO TO 2. 2. CHECK GROUND CONNECTIONS 1. Turn A/C switch and blower fan switch OFF. 2. Turn ignition switch OFF. 3. Loosen and retighten three ground screws on the body. BBIA0356E PBIB2657E Voltage: 1.0 - 4.0V PBIB1188E |