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
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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
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use these procedures to troubleshoot the pre-collision system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the engine
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspe
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