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
SEE MORE:
Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION This DTC is stored when a malfunction in the IG circuit and IG hold circuit in the certification ECU (smart key ECU assembly) is detected. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2271 Ignition Hold Monitor Malfunction When either of the follow
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes. Body Electrical > Air Conditioner > Trouble Codes (e) Check for DTCs. CLEAR DTC (
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