Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Parts Location

*A

w/o Rear Air Conditioning System

*B

w/ PTC Heater

*C

w/ Smog Ventilation Sensor

*D

w/ Pre-collision System

*1

AIR CONDITIONER PRESSURE SENSOR

*2

COOLER (AMBIENT TEMP. SENSOR) THERMISTOR

*3

COOLER COMPRESSOR ASSEMBLY

*4

SEMICONDUCTOR PWR INTEGRATION ECU

*5

PTC HTR NO. 1 RELAY

*6

PTC HTR NO. 2 RELAY

*7

PTC HTR NO. 3 RELAY

*8

SMOG VENTILATION SENSOR

*9

POWER STEERING ECU ASSEMBLY

*10

MAGNETIC CLUTCH ASSEMBLY

*11

COMPRESSOR SOLENOID

*12

A/C LOCK SENSOR

*13

OUTER MIRROR CONTROL ECU ASSEMBLY LH

*14

OUTER MIRROR CONTROL ECU ASSEMBLY RH

*15

FORWARD RECOGNITION CAMERA

*16

BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

*17

COOLER CONDENSER ASSEMBLY

*18

ECM

*19

ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY

- ECU-IG1 NO. 8 FUSE

- HTR FUSE

- PTC HTR NO. 1 FUSE (w/ PTC Heater)

- PTC HTR NO. 2 FUSE (w/ PTC Heater)

- PTC HTR NO. 3 FUSE (w/ PTC Heater)

- ALT FUSE

- FL MAIN FUSE

- RADIO NO. 2 FUSE

-

-

*A

w/ Rear Air Conditioning System

*B

w/ PTC Heater

*C

w/ Smog Ventilation Sensor

-

-

*1

AIR CONDITIONER PRESSURE SENSOR

*2

COOLER (AMBIENT TEMP. SENSOR) THERMISTOR

*3

COOLER COMPRESSOR ASSEMBLY

*4

SEMICONDUCTOR PWR INTEGRATION ECU

*5

PTC HTR NO. 1 RELAY

*6

PTC HTR NO. 2 RELAY

*7

PTC HTR NO. 3 RELAY

*8

SMOG VENTILATION SENSOR

*9

POWER STEERING ECU ASSEMBLY

*10

MAGNETIC CLUTCH ASSEMBLY

*11

COMPRESSOR SOLENOID

*12

A/C LOCK SENSOR

*13

OUTER MIRROR CONTROL ECU ASSEMBLY LH

*14

OUTER MIRROR CONTROL ECU ASSEMBLY RH

*15

FORWARD RECOGNITION CAMERA

*16

BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

*17

COOLER CONDENSER ASSEMBLY

*18

ECM

*19

ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY

- ECU-IG1 NO. 8 FUSE

- HTR FUSE

- PTC HTR NO. 1 FUSE (w/ PTC Heater)

- PTC HTR NO. 2 FUSE (w/ PTC Heater)

- PTC HTR NO. 3 FUSE (w/ PTC Heater)

- ALT FUSE

- FL MAIN FUSE

- RADIO NO. 2 FUSE

- A/C RR FUSE

*20

NO. 2 AIR CONDITIONING CONTROL ASSEMBLY

*21

COOLER (NO. 2 ROOM TEMP. SENSOR) THERMISTOR

-

-

*A

for Lexus Enform Remote Compatible Type

*B

w/ Headup Display System

*C

for AWD

-

-

*1

COMBINATION SWITCH ASSEMBLY (ECO MODE SWITCH)

*2

COOLER (ROOM TEMP. SENSOR) THERMISTOR

*3

AUTOMATIC LIGHT CONTROL SENSOR

*4

COMBINATION METER ASSEMBLY

*5

DLC3

*6

RADIO RECEIVER ASSEMBLY (A/C CONTROL PANEL)

*7

AIR CONDITIONING AMPLIFIER ASSEMBLY

*8

MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

*9

MULTI-DISPLAY ASSEMBLY

*10

INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

- ECU-B NO. 2 FUSE

- ECU-IG1 NO. 3 FUSE

- ECU-IG1 NO. 4 FUSE

- ECU-ACC FUSE

*11

AIRBAG SENSOR ASSEMBLY

*12

DCM (TELEMATICS TRANSCEIVER)

*13

METER MIRROR SUB-ASSEMBLY

*14

4WD ECU ASSEMBLY

*A

w/ PTC Heater

-

-

*1

NO. 1 COOLER THERMISTOR

*2

QUICK HEATER ASSEMBLY

*3

AIR CONDITIONING RADIATOR ASSEMBLY

*4

BLOWER ASSEMBLY

*5

BLOWER MOTOR WITH FAN SUB-ASSEMBLY

*6

COOLER EXPANSION VALVE

*7

NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY

*8

HEATER RADIATOR UNIT SUB-ASSEMBLY

*1

NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY

*2

NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY

*3

NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY

*4

NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY

*5

AIR CONDITIONING HARNESS ASSEMBLY

-

-

*A

w/ Rear Air Conditioning System

-

-

*1

NO. 2 AIR CONDITIONING HARNESS ASSEMBLY

*2

REAR BLOWER MOTOR WITH FAN SUB-ASSEMBLY

*3

BLOWER MOTOR CONTROL

*4

REAR EVAPORATOR SUB-ASSEMBLY

*5

HEATER RADIATOR UNIT SUB-ASSEMBLY

*6

REAR NO. 1 COOLING UNIT DAMPER SERVO SUB-ASSEMBLY

*7

REAR COOLING UNIT EXPANSION VALVE

*8

REAR NO. 2 COOLING UNIT DAMPER SERVO SUB-ASSEMBLY