Lexus RX (RX 350L, RX450h) 2016-2026 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) 2016-2026 Repair Manual > Integration Relay: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT SEMICONDUCTOR POWER INTEGRATION ECU (SIGNAL READING CHECK) NOTICE: Both present and history signal readings will be cleared if the semiconductor power integration ECU is removed. Make sure not to remove it before inspection. HINT: The signal readings of the ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > 4wd Control Ecu: 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 4WD ECU assembly removal/installation are shown below. Necessary Procedures After Parts Removed/Installe ...
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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