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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Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION OF CONTROL SYSTEM (a) When a malfunction is detected in the brake control system, the skid control ECU (brake booster with master cylinder assembly) turns the ABS warning, brake warning / red (malfunction), brake warning / yellow (minor malfunction) and slip indica
Dtc Combination Table
DTC COMBINATION TABLE HOW TO INTERPRET COMMUNICATION DTCS (DTCS THAT START WITH U) (a) If a CAN communication error cannot be reproduced, determine the suspected malfunctioning part using the DTCs stored in ECUs that are connected to the CAN buses by following the procedure below. HINT: Communicatio
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