Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Front Camera System

DTC No.

Detection Item

Link

C10001C

Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range

C10051C

Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range

C100A62

Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure

C1A4A12

Buzzer Circuit Short to Battery

C1A4A14

Buzzer Circuit Short to Ground or Open

C1A7587

Steering Vibrator System Missing Message

C1A9346

Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure

C1A9445

Image Processing Microcomputer in Front Recognition Camera Program Memory Failure

C1A9447

Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure

C1A9487

Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message

C1A9500

Image Processing Module Malfunction in Front Recognition Camera

C1A961C

Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range

C1AA800

Front Recognition Camera Optical Axis Misalignment Malfunction

C1AAE00

Front Recognition Camera Heater Malfunction

U012587

Lost Communication with Multi-axis Acceleration Sensor Module Missing Message

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

U012987

Lost Communication with Brake System Control Module Missing Message

U014087

Lost Communication with Body Control Module Missing Message

U029387

Lost Communication with Hybrid Powertrain Control Module Missing Message

U030051

Internal Control Module Software Incompatibility Not Programmed

U030057

Internal Control Module Software Incompatibility Invalid/Incompatible Software Component

U032251

Software Incompatibility with Body Control Module Not Programmed

U032257

Software Incompatibility with Body Control Module Invalid/Incompatible Software Component

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 Vehicle Control History

VEHICLE CONTROL HISTORY NOTICE: When checking the vehicle control history, first record the output codes and after clearing the history, check the output history again. CHECK VEHICLE CONTROL HISTORY (

 Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range (C10001C,C10051C,C100A62,C1A9346,C1A9445,C1A9447,C1A9487-C1A961C)

DESCRIPTION The forward recognition camera stores a DTC when a malfunction is detected in the camera. DTC No. Detection Item DTC Detection Condition Trouble Area C10001C Control Module

 Buzzer Circuit Short to Battery (C1A4A12)

DESCRIPTION If the forward recognition camera detects a short +B in the buzzer circuit, it will store DTC C1A4A12. DTC No. Detection Item DTC Detection Condition Trouble Area C1A4A12 Bu

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 Components

COMPONENTS ILLUSTRATION *1 LOWER OUTER MIRROR COVER LH *2 OUTER MIRROR BEZEL LH *3 OUTER MIRROR COVER LH *4 OUTER MIRROR LH *5 SIDE TURN SIGNAL LIGHT ASSEMBLY LH - -

 Hazard Warning Switch Circuit

DESCRIPTION When the combination meter receives a hazard warning signal switch signal, the flasher IC turns on and hazard control is performed. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When replacing the combination meter assembly, make sure to replace it with a new one. PROCEDURE 1. RE

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