Lexus NX: Lighting System (for Triple Beam Headlight)
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (for Triple Beam Headlight)
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Operation Check
- Customize Parameters
- Initialization
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Freeze Frame Data
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Vehicle Control History
- Light Sensor Circuit Malfunction (B1244)
- Steering Position Sensor Malfunction (B2414)
- Right Headlight ECU Malfunction (B242C,B242D)
- Open in IG Circuit (B242E)
- Headlamp LH Circuit (B2439,B243A)
- Left Low Beam Fan Malfunction (B243D,B243E)
- Vehicle Specifications have not been Stored (B2451)
- Right Headlight ECU Variation Error (B2455)
- Left Headlight ECU Variation Error (B2456)
- Control Module Communication Bus "A" Off (U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0293)
- Lost Communication with Multi-axis Acceleration Sensor Module Missing Message (U012587,U012987,U014087,U029387)
- Lost Communication with Cruise Control Front Distance Range Sensor Missing Message (U023587,U0242)
- CAN Communication Failure (Message Registry) (U1000)
- Turn Signal Switch Circuit
- Headlight Dimmer Switch Circuit
- Daytime Running Light Relay Circuit
- Front Fog Light Circuit
- Hazard Warning Switch Circuit
- Taillight Relay Circuit
- Power Source Circuit
- Cornering Light Circuit
READ NEXT:
Precaution
PRECAUTION PRECAUTION FOR REPLACEMENT (a) Always prepare a new bulb for immediate replacement. While replacing a bulb, the lens may attract dust and moisture if removed from the vehicle for a long tim
Parts Location
PARTS LOCATION ILLUSTRATION *1 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH *2 SHIFT LEVER POSITION SENSOR *3 SIDE TURN SIGNAL LIGHT ASSEMBLY LH *4 SIDE TURN SIGNAL LIGHT ASSEMBLY
System Diagram
SYSTEM DIAGRAM Tail, Stop, Headlight Circuit Turn Signal Circuit
SEE MORE:
Power Steering Warning Light Circuit
DESCRIPTION The power steering ECU is connected to the combination meter via CAN communication. If any of the following conditions are detected, the power steering warning light remains on.
The circuit that supplies power source voltage to the power steering ECU assembly (terminal IG) is open.
LDA (Lane Departure Alert with
steering control)
When driving on highways and
freeways with white (yellow) lane
lines, this function alerts the driver
when the vehicle might depart from
its lane or course* and provides
assistance by operating the steering
wheel to keep the vehicle in its
lane or course*.
The LDA system recognizes white
© 2016-2025 Copyright www.lexunx.com
