Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Air Conditioning System
- Precaution
- Parts Location
- System Diagram
- System Description
- Customize Parameters
- How To Proceed With Troubleshooting
- Initialization
- Problem Symptoms Table
- Diagnosis System
- Terminals Of Ecu
- Check Mode Procedure
- Dtc Check / Clear
- Data List / Active Test
- Room Temperature Sensor Circuit (B1411/11)
- Diagnostic Trouble Code Chart
- Ambient Temperature Sensor Circuit (B1412/12)
- Evaporator Temperature Sensor Circuit (B1413/13)
- Evaporator Temperature Circuit (B1417/17)
- Exhaust Gas Sensor Circuit (B1418/18)
- Rear Room Temperature Sensor Circuit (B1419/19)
- Compressor Lock Sensor Circuit (B1422/22)
- Pressure Sensor Circuit (B1423/23)
- Air Mix Damper Control Servo Motor Circuit (Passenger Side) (B1441/41)
- Air Inlet Damper Control Servo Motor Circuit (B1442/42)
- Air Outlet Damper Control Servo Motor Circuit (B1443/43)
- Air Mix Damper Control Servo Motor Circuit (Driver Side) (B1446/46)
- Air Mix Damper Control Servo Motor Circuit (Rear) (B1447/47)
- Passenger Side FACE Servo Motor Circuit (B1448/48)
- Rear Air Outlet Damper Control Servo Motor Circuit (B1449/49)
- Compressor Solenoid Circuit (B1451/51)
- Emission Gas NOx Sensor Circuit (B1461/61)
- Air Outlet Damper Control Servo Motor Circuit(Driver Side Front A/C Rear Air Flow) (B1486/86)
- BUS IC Communication Malfunction (B1497/97)
- Lost Communication with Rear Panel LIN (B14B3)
- Refrigerant Shortage (B14B8)
- Lost Communication with ECM (U0100-U0142,U0151,U0155,U0163)
- Air Conditioning Control Panel Circuit
- Blower Motor Circuit
- Air Conditioning Compressor Magnetic Clutch Circuit
- PTC Heater Circuit
- Rear Blower Motor Circuit
- Back-up Power Source Circuit
- ECO Switch Circuit
- IG Power Source Circuit
Installation
INSTALLATION PROCEDURE 1. INSTALL AIR CONDITIONER PRESSURE SENSOR (a) Remove the vinyl tape from the air conditioner tube and accessory assembly. (b) Sufficiently apply compressor oil to a new air con ...
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cab ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Front Radar Sensor System: Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure (C1A8C46,C1A8D1C,C1A9000,C1A9100)
DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A8C46 Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure When the engine switc ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Ultrasonic Sensor (for Rear): Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during ultrasonic sensor removal/installation are shown below. Necessary Procedures After Parts Removed/Instal ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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