Lexus NX: Diagnostic Trouble Code Chart

Lexus NX Service Manual / Engine & Hybrid System / Cruise Control / Front Radar Sensor System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Front Radar Sensor System

DTC No.	Detection Item	Link
C1A1100	Front Radar Sensor Optical Axis Misalignment Malfunction
C1A8C46	Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure
C1A8D1C	Power Supply Circuit in Front Radar Sensor Circuit Voltage Out of Range
C1A9000	Malfunction of Millimeter-wave Circuit in Front Radar Sensor
C1A9100	Malfunction of Acceleration Sensor in Front Radar Sensor
U010487	Lost Communication with Cruise Control Module Missing Message
U030557	Software Incompatibility with Cruise Control Module Invalid/Incompatible Software Component

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Relay

On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT NO. 1 MIRROR RELAY (a) Remove the No. 1 mirror relay. (b) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 3 - 5 Battery voltage

Removal

REMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY Click here 2. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY (a) Remove the nut and disconnect the transmission control cable assembly from the control shaft lever. (b) Remove the clip from the transmission control cabl

Lexus NX: Diagnostic Trouble Code Chart

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Vehicle Control History

Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure (C1A8C46,C1A8D1C,C1A9000,C1A9100)

Front Radar Sensor Optical Axis Misalignment Malfunction (C1A1100)

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Relay

Removal