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DIAGNOSIS SYSTEM (A/C AUTO AMP.) HAC-243 < SYSTEM DESCRIPTION > [AUTO A/C (WITHOUT HEAT PUMP)] C D E F G H J K L M A B HAC N O P *: “DUTY”is displayed however the voltage is indicated. Or value is not displayed, but unit is (V). ACTIVE TEST The signals used to activate each device forcibly supplied from A/C auto amp. operation check of air condi- tioning system can be performed. NOTE: When the active test is performed, the vehicle is set to READY. HVAC Test INT TEMP CAL [ °C/°F] Value of intake temperature calculated by A/C auto amp. SUNL SEN CAL [W/m 2 ] Value of sunload calculated by A/C auto amp. COMP REQ SIG [On/Off] A/C ON signal ON/OFF status FAN REQ SIG [On/Off] Blower fan ON signal ON/OFF status FAN DUTY * Target value of voltage (applied voltage) applied to Blower fan motor by A/C auto XM Target discharge air temperature judged by A/C auto amp. according to the temper- VEHICLE SPEED [km/h] Vehicle speed calculated by A/C auto amp., based on motor speed signal received COMPR RPM [rpm] Rotation speed of electric compressor COMPR INPUT POWER SIG [W] Power consumption value of electric compressor COMPR IPM TEMP SIG [ °C/°F] IGBT temperature sensor value on the electric compressor COMPR INPUT VOLT SIG [V] Input voltage value of electric compressor PTC HEATER REQUEST [%] Operating rate sent to the PTC element heater by the A/C auto amp. COMP USE PERMIT POWER [W] Calculated value of electrical power available to operate the A/C system received REFRIGERANT PRE SEN [Mpa] Refrigerant pressure sensor detection value sent from VCM FORCED Off SIGNAL [On/Off] State of input signal to A/C auto amp. FORCED INTAKE REC SIG [On/Off] State of input signal to A/C auto amp. PRE-CLIMATE SIGNAL [On/Off] State of input signal to A/C auto amp. HV SPLY/BLOCK CMPL FLAG [On/Off] State of input signal to A/C auto amp. PTC CONSUMPTION VOLT [W] Power consumption value of PTC heater PTC OUT TEMP SENS [ °C/°F] Value of PTC heater outlet air temperature sensor detection value (voltage), convert- A/C UNIT TEMP SENS [ °C/°F] Value of A/C unit case temperature sensor detection value (voltage), converted to CMP DISCHR TEMP SENS [ °C/°F] Temperature of compressor discharge refrigerant temperature sensor, input from CMP SUCTN TEMP SENS [ °C/°F] Temperature of compressor suction refrigerant temperature sensor, input from heat 2-WAY VALVE STATE [On/Off] Operation status of refrigerant passage switching 2-way valve, input from heat pump 3-WAY VALVE STATE [On/Off] Operation status of refrigerant passage switching 3-way valve, input from heat pump Monitor item [STATUS or UNIT] DESCRIPTION Test item DESCRIPTION ALL SEG ALL switch indicator indications are turned ON. HVAC TEST The operation check of A/C system can be performed by selecting the mode. Refer to the |