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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Heating / Air Conditioning System - Diagnostics - Introduction) >> AIR CONDITIONING SYSTEM (for PHEV Model) >> Parts Location [08/2023 - ] >> Illustration

Parts Location [08/2023 - ]: Illustration

WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.
GTY1207609Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*A w/ Smog Ventilation Sensor - -
*1 AMBIENT TEMP. SENSOR (THERMISTOR ASSEMBLY) *2 HUMIDITY SENSOR (RAIN SENSOR)
*3 SMOG VENTILATION SENSOR *4 ECM
*5 POWER STEERING ECU (RACK AND PINION POWER STEERING GEAR ASSEMBLY) *6 BATTERY ECU ASSEMBLY
*7 BATTERY STATE SENSOR ASSEMBLY *8 HV SUPPLY BATTERY ASSEMBLY
*9 NO. 1 JUNCTION BLOCK ASSEMBLY *10 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY
- HTR FUSE
- ECU-IGP NO. 3 FUSE
*11 NO. 2 ENGINE ROOM RELAY BLOCK AND NO. 2 JUNCTION BLOCK ASSEMBLY
- A/C NO. 2 FUSE
- A/C NO. 3 FUSE
- FOOT HTR DR FUSE (w/ Radiant heater (quick heater and accessory assembly))
- FOOT HTR PA FUSE (w/ Radiant heater (quick heater and accessory assembly))
- A/C-MAIN RELAY
- A/C MG RELAY
- -


GTY1207427Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*A w/ Radiant heater (quick heater and accessory assembly) - -
*1 AIR CONDITIONING AMPLIFIER ASSEMBLY *2 HEAT PUMP ECU ASSEMBLY
*3 RADIO AND DISPLAY RECEIVER ASSEMBLY *4 REAR SEAT HEATER SWITCH
*5 ROOM TEMP. SENSOR (COOLER THERMISTOR) *6 SOLAR SENSOR (AUTOMATIC LIGHT CONTROL SENSOR)
*7 NO. 1 QUICK HEATER AND ACCESSORY ASSEMBLY *8 NO. 2 QUICK HEATER AND ACCESSORY ASSEMBLY
*9 HYBRID VEHICLE CONTROL ECU *10 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
*11 COMBINATION METER ASSEMBLY *12 DCM (TELEMATICS TRANSCEIVER)
*13 POWER DISTRIBUTION BOX ASSEMBLY
- ECU-B NO. 3 FUSE
*14 DLC3


GTY1206543Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*1 NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY *2 EVAPORATOR TEMP. SENSOR (NO. 1 COOLER THERMISTOR)
*3 HEATER RADIATOR UNIT SUB-ASSEMBLY *4 BLOWER MOTOR WITH FAN SUB-ASSEMBLY


GTY1136155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*1 NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY *2 NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
*3 NO. 4 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY *4 NO. 5 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
*5 AIR CONDITIONING HARNESS ASSEMBLY - -


GTY1206414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*1 COOLER CONDENSER ASSEMBLY *2 COMPRESSOR WITH MOTOR ASSEMBLY
*3 AIR CONDITIONING PRESSURE SENSOR *4 ACCUMULATOR ASSEMBLY
*5 HEATING ELECTRIC EXPANSION VALVE (NO. 2 COOLER EXPANSION VALVE) *6 LOW PRESSURE MAGNETIC VALVE (NO. 1 MAGNET VALVE ASSEMBLY)
*7 HIGH PRESSURE MAGNETIC VALVE (NO. 3 MAGNET VALVE ASSEMBLY) *8 EXTERNAL CONDENSER REFRIGERANT TEMPERATURE SENSOR (THERMOSTAT ASSEMBLY)


GTY1207038Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*1 COOLING ELECTRIC EXPANSION VALVE (COOLER EXPANSION VALVE) *2 EVAPORATOR FRONT MAGNETIC VALVE (NO. 2 MAGNET VALVE ASSEMBLY)
*3 WATER COOLING CONDENSER REFRIGERANT TEMPERATURE SENSOR (NO. 2 AIR CONDITIONING THERMISTOR ASSEMBLY) *4 REFRIGERANT OUTLET SENSOR (NO. 1 AIR CONDITIONING THERMISTOR ASSEMBLY)


GTY1206268Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*1 EVAPORATOR REFRIGERANT TEMPERATURE SENSOR (NO. 4 AIR CONDITIONING THERMISTOR ASSEMBLY) *2 PRESSURE REGULATOR SUB-ASSEMBLY


GTY1206430Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*1 NO. 1 BATTERY COOLING EXPANSION VALVE (NO. 1 MAGNET VALVE ASSEMBLY) *2 BATTERY COOLING MAGNETIC VALVE (NO. 2 MAGNET VALVE ASSEMBLY)
*3 NO. 2 BATTERY COOLING EXPANSION VALVE (NO. 3 MAGNET VALVE ASSEMBLY) *4 BATTERY COOLING REFRIGERANT PRESSURE SENSOR (AIR CONDITIONING PRESSURE SENSOR)
*5 BATTERY COOLING REFRIGERANT TEMPERATURE SENSOR (INLET) (NO. 1 AIR CONDITIONING THERMISTOR ASSEMBLY) *6 BATTERY COOLING REFRIGERANT TEMPERATURE SENSOR (OUTLET) (NO. 2 AIR CONDITIONING THERMISTOR ASSEMBLY)


GTY1207338Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*1 ELECTRIC WATER PUMP (HEATER PUMP ASSEMBLY) *2 WATER COOLING CONDENSER (HEATER AND ACCESSORY ASSEMBLY)
*3 HEATING THREE-WAY VALVE (HEATER WATER VALVE ASSEMBLY) *4 HIGH VOLTAGE ELECTRIC HEATER (ELECTRIC HEATER SUB-ASSEMBLY)