Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Lighting System (w/o Automatic Headlight Beam Level Control System)
- Precaution
- Parts Location
- How To Proceed With Troubleshooting
- System Diagram
- Customize Parameters
- Operation Check
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Data List / Active Test
- Vehicle Control History
- Automatic High Beam System (B124B)
- Light Sensor Circuit (B1244)
- Automatic High Beam Camera (B124C)
- LED Headlight LH (B2430,B2431)
- 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)
- Turn Signal Switch Circuit
- Automatic High Beam System does not Operate or Operation Indicator does not Illuminate
- Headlight Dimmer Switch Circuit
- Daytime Running Light Relay Circuit
- Turn Signal Light Circuit
- Hazard Warning Switch Circuit
- Outside Handle Foot Light Circuit
- Taillight Relay Circuit
- Low Beam Headlight Circuit
- High Beam Headlight Circuit
High Beam Headlight Circuit
DESCRIPTION The No. 1 headlight ECU sub-assembly controls the high beam headlights. WIRING DIAGRAM for Multiple Beam Headlight for Single Beam Headlight CAUTION / NOTICE / HINT NOTICE:
If the No. ...
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 > Vehicle Stability Control System: Brake Pedal Switch "A" Stuck On (C00409E,C00409F)
DESCRIPTION The brake pedal load sensing switch signal turns on when the brake pedal is depressed with a force exceeding a predetermined level. The skid control ECU (brake actuator assembly) uses this circuit to detect if the brake pedal is depressed or not. DTC No. Detection Item DTC Detecti ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Heated Steering Wheel System: 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 cable is reconnected. System Name See Procedure Lane Control System Pre-collision Sys ...
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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