Lexus NX: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Lighting System (for Triple Beam Headlight)| DTC No. | Detection Item | Link |
|---|---|---|
| B1244 | Light Sensor Circuit Malfunction | |
| B2414 | Steering Position Sensor Malfunction | |
| B242C | Right Headlight ECU Malfunction | |
| B242D | Left Headlight ECU Malfunction | |
| B242E | Open in IG Circuit | |
| B2439 | Headlamp LH Circuit | |
| B243A | Headlamp RH Circuit | |
| B243D | Left Low Beam Fan Malfunction | |
| B243E | Right Low Beam Fan Malfunction | |
| B2451 | Vehicle Specifications have not been Stored | |
| B2455 | Right Headlight ECU Variation Error | |
| B2456 | Left Headlight ECU Variation Error | |
| U0073 | Control Module Communication Bus "A" Off | |
| U0100 | Lost Communication with ECM / PCM "A" | |
| U0101 | Lost Communication with TCM | |
| U012587 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message | |
| U0126 | Lost Communication with Steering Angle Sensor Module | |
| U0129 | Lost Communication with Brake System Control Module | |
| U012987 | Lost Communication with Brake System Control Module Missing Message | |
| U014087 | Lost Communication with Body Control Module Missing Message | |
| U0142 | Lost Communication with Body Control Module "B" | |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | |
| U023587 | Lost Communication with Cruise Control Front Distance Range Sensor Missing Message | |
| U0242 | Lost Communication With Headlamp Control Module "B" | |
| U0293 | Lost Communication with Hybrid Vehicle Control System | |
| U029387 | Lost Communication With Hybrid Powertrain Control Module Missing Message | |
| U1000 | CAN Communication Failure (Message Registry) | |
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Vehicle Control History
VEHICLE CONTROL HISTORY CHECK THE VEHICLE CONTROL HISTORY (LIGHTING SYSTEM) HINT:
The vehicle control history data (lighting system) stores the history of the reject function and system protection
Light Sensor Circuit Malfunction (B1244)
DESCRIPTION The automatic light control sensor detects ambient light, converts it into an electrical signal and outputs it to the main body ECU (multiplex network body ECU). The main body ECU (multipl
Steering Position Sensor Malfunction (B2414)
DESCRIPTION The headlight ECU sub-assembly LH receives steering angle signals from the steering sensor. The headlight ECU sub-assembly LH outputs DTC B2414. DTC No. Detection Item DTC Detection
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Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here FUNCTION OF PASSENGER AIRBAG ON/OFF INDICATOR (a) Initial check (1) Turn the power switch on (IG). (2) The passenger airbag ON/OFF indicator comes on for approximately 4 seconds, and then goes off for approximately 2 seconds. (3) Approxim
Components
COMPONENTS ILLUSTRATION *A for 8 Speakers *B for 10 Speakers *C for 14 Speakers - - *1 FRONT DOOR OPENING TRIM WEATHERSTRIP LH *2 FRONT NO. 2 SPEAKER ASSEMBLY *3 FRONT PILLAR GARNISH ASSEMBLY LH *4 NO. 1 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY *5 FRO
