丰田RAV4车身电子 (Body Electrical)培训.pptVIP

Contents Click a Section Tab MPX (Multiplex Communication) System Overall Connects the ECUs and sensors via 4 J/Cs and line of two kinds of communication speed (500 / 250 kbps) MPX System Overall Connects the ECUs and sensors via 4 J/Cs and line of two kinds of communication speed (500 / 250 kbps) Air Conditioner Overall Air Conditioner Overall Air Conditioner Pollen Removal Mode Control A/C mode is switched to RECIRC, FACE and Blower motor ON To remove the pollen in the cabin effectively and to supply filtered air Air Conditioner MAX A/C Mode Changes to maximum cool setting by turning the temp. control switch to MAX A/C position Changes to A/C compressor ON and RECIRC mode automatically Air Conditioner Partial Recirculation System Some of air is always re-circulated through theby-pass to improve heating performance Air Conditioner Bus Connector Light weight and eliminate number of the harness Reference (Air Conditioner) Bus Connector Built in Communication / servomotor drive IC Reference (Air Conditioner) Servo Motor Detection method of damper position is changed to pulse signal from potentiometer voltage Reference (Air Conditioner) Servo Motor Continuity through contact points: Lo (0V) No continuity through contact points : Hi (5V) Reference (Air Conditioner) Servo Motor Detects damper position and movement direction by the difference of pulse phase Air Conditioner Clean Air Filter High efficiency type particle filter for all modelsas STD Air Conditioner PTC (Positive Temperature Coefficient) Heater Three PTC heaters is built into the heater core Air Conditioner PTC Heater System diagram Air Conditioner Combustion Type Power Heater Ignites the air and fuel in the power heater to provide the adequate heating effect by heating the engine coolant Air Conditioner Combustion Type Power Heater Controls air fan speed, fuel pump speed and switches high / low combustion, to keep the water temp. between 67°C and 80°C Multi Display System Diagram Multi Display Navigation