Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Lighting System (w/ Automatic Headlight Beam Level Control System)
- Precaution
- Parts Location
- How To Proceed With Troubleshooting
- Operation Check
- System Diagram
- Customize Parameters
- Initialization
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Freeze Frame Data
- Data List / Active Test
- Vehicle Control History
- Automatic High Beam System (B124B)
- Light Sensor Circuit (B1244)
- Automatic High Beam Camera (B124C)
- Headlight Swivel ECU LH Communication (B2410,B2411)
- Headlight Swivel Motor LH (B2412,B2413,B2417,B2418)
- Steering Position Sensor (B2414)
- Vehicle Speed Sensor (B2415)
- Height Control Sensor (B2416,B241A)
- Headlight Beam Level Control Motor LH Lost Communication (B2424,B2425)
- Right Headlight ECU Malfunction (B242C,B242D)
- Open in IG Circuit (B242E)
- Left Low Beam Fan Malfunction (B243D,B243E)
- Headlight LH Circuit (B2439,B243A)
- Height Sensor Initialization Incomplete (B2450)
- Variation Code not Written (B2451)
- Abnormal Height Sensor Data at Initialization (B2452)
- Left Headlight ECU Variation Error (B2456)
- Control Module Communication Bus Off (U0073,U0100,U0101,U0126,U0129,U0142,U0155)
- Lost Communication With ECM/PCM "A" (U0100,...,U1126)
- Lost Communication With ECM/PCM "A" Missing Message (U010087,U012587,U012987,U014087)
- Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message (U023587)
- Lost Communication With Headlamp Control Module "B" (U0242)
- CAN Communication Failure (Message Registry) (U1000)
- Turn Signal Switch Circuit
- Automatic High Beam System does not Operate or Operation Indicator does not Illuminate
- Headlight Dimmer Switch Circuit
- Parking Light/Daytime Running Light Circuit
- Front Fog Light Circuit
- Turn Signal Light Circuit
- Hazard Warning Switch Circuit
- Outside Handle Foot Light Circuit
- Front Side Marker Light Circuit
- Taillight Relay Circuit
- Cornering Light Circuit
- High Beam Headlight Circuit
License Plate Light Assembly
ComponentsCOMPONENTS ILLUSTRATION *1 LICENSE PLATE LIGHT ASSEMBLY - - RemovalREMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following p ...
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 > Occupant Classification System: Passenger Side Buckle Switch Circuit Malfunction (B1771)
DESCRIPTION The passenger side buckle switch circuit consists of the occupant detection ECU and passenger side buckle switch (front seat inner belt assembly RH). DTC B1771 is stored when a malfunction is detected in the passenger side buckle switch circuit. DTC No. Detection Item DTC Detectio ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Window Control System: All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter
DESCRIPTION Wireless Transmitter-linked Function
When an electronic key transmitter sub-assembly switch is pushed: 1) the electrical key and tire pressure monitoring system receiver assembly receives the wireless door lock signal; 2) the electrical key and tire pressure monitoring system receiver ...
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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