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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Vehicle Control History
VEHICLE CONTROL HISTORY NOTICE: When checking the Vehicle Control History, make sure to record the output codes. Then, clear the Vehicle Control History (RoB) and check it again. CHECK VEHICLE CONTROL
Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure (C1A8C46,C1A8D1C,C1A9000,C1A9100)
DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A8C46 M
Front Radar Sensor Optical Axis Misalignment Malfunction (C1A1100)
DESCRIPTION The millimeter wave radar sensor assembly performs self-diagnosis to check for misalignment of its beam axis. If misalignment is detected, the millimeter wave radar sensor assembly stores
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Inspection
INSPECTION PROCEDURE 1. INSPECT NO. 1 FOLD SEAT SWITCH ASSEMBLY (for Front Side) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Switch Condition Specified Condition 1 (HRSR) - 7 (E) RETURN RH switch pressed Below 1 Î
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL ENGINE HOOD LOCK STRIKER ASSEMBLY (a) Attach the guide. (b) Install the engine hood lock striker assembly with the 2 bolts. Torque: 8.0 N·m {82 kgf·cm, 71 in·lbf} 2. INSTALL RADIATOR SUPPORT OPENING COVER Click here 3. INSTALL HOOD AUXILIARY CATCH HOOK ASSEMBL
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