Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Vehicle Control History

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Engine & Hybrid System / Cruise Control / Front Camera System / Vehicle Control History

VEHICLE CONTROL HISTORY

NOTICE:

Make sure to record any output Vehicle Control History codes before clearing them and checking the Vehicle Control History again.

CHECK VEHICLE CONTROL HISTORY (FRONT CAMERA SYSTEM)

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Chassis / Front Recognition Camera / Utility / Vehicle Control History (RoB).

Chassis > Front Recognition Camera > Utility

Tester Display

Vehicle Control History (RoB)

(e) Read the Vehicle Control History (RoB) according to the display on the Techstream.

Vehicle Control History (RoB)

Multi-information Display

Code

Tester Display

Description

Diagnostic Note

Front Camera Unavailable

X2000

Yaw Rate Sensor Malfunction

The forward recognition camera received a yaw rate sensor malfunction signal from the skid control ECU (brake actuator assembly).

Perform troubleshooting for the vehicle stability control system.

Front Camera Unavailable

X2004

Speed Sensor Malfunction

The forward recognition camera received a vehicle speed sensor malfunction signal from the skid control ECU (brake actuator assembly).

Perform troubleshooting for the vehicle stability control system.

Pre-Collision System Malfunction Visit Your Dealer

X2014

Front Recognition Camera Optical Axis Not Adjusted

Forward recognition camera optical axis adjustment has not been performed.

HINT:

Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition.

One Time Recognition: Click here

Sequential Recognition: Click here

Front Camera Unavailable See Owner's Manual

X2015

Front Recognition Camera Dirt

System operation was temporarily suspended due to the forward recognition camera not being able to detect objects.

Check if any of the following conditions are met:

  • Non-Lexus genuine front wiper blades are installed
  • The front wiper rubbers are worn
  • A sticker, accessory or other object is obstructing the forward recognition camera
  • There is snow, frost, dirt, dust or oil on the windshield glass, or the windshield glass is fogged up
  • The windshield glass is chipped or cracked
  • Non-Lexus genuine windshield glass is installed
  • Confirm the vehicle was not driven in bad weather (If temporary conditions that affected the camera such as darkness, backlighting, fog, etc. have improved, the displayed warning is cleared).
Factor:
  • The area in front of the forward recognition camera is dirty or obstructed by foreign matter.

Front Camera Unavailable

X2016

Front Recognition Camera Outside Guaranteed Operating Temperature

System operation was temporarily suspended due to the forward recognition camera being excessively hot or cold.

Use the Techstream to check the following front camera system Data List items. If the value is "High Temperature" or "Low Temperature", refer to .

  • Front Recognition Camera Low Temperature
  • Front Recognition Camera High Temperature 1

Front Camera Unavailable

X2017

Front Recognition Camera Outside Guaranteed Operating Voltage

System operation was temporarily suspended due to forward recognition camera power source voltage being excessively high or low.

Check the power source voltage of the forward recognition camera (terminal IGB). Refer to for the terminal inspection and standard voltage. If the power source voltage is within the specified range, the forward recognition camera may be malfunctioning.

Front Camera Unavailable See Owner's Manual

X201C

Front Recognition Camera Haze

System operation was temporarily suspended due to forward recognition camera not being able to detect objects.

Check if any of the following conditions are met:

  • Non-Lexus genuine front wiper blades are installed
  • The front wiper rubbers are worn
  • A sticker, accessory or other object is obstructing the forward recognition camera
  • There is snow, frost, dirt, dust or oil on the windshield glass, or the windshield glass is fogged up
  • The windshield glass is chipped or cracked
  • Non-Lexus genuine windshield glass is installed
  • Confirm the vehicle was not driven in bad weather (If temporary conditions that affected the camera such as darkness, backlighting, fog, etc. have improved, the displayed warning is cleared).
Factor:
  • The area in front of the forward recognition camera is dirty or obstructed by foreign matter.

Front Camera Unavailable

X204A

Acceleration Sensor Malfunction

The forward recognition camera received an acceleration sensor malfunction signal from the skid control ECU (brake actuator assembly).

Perform troubleshooting for the vehicle stability control system.

Front Camera Unavailable

X204C

Zero Point Calibration of Yaw Rate Sensor Undone

The forward recognition camera received a yaw rate sensor zero point calibration not performed signal from the skid control ECU (brake actuator assembly).

Perform troubleshooting for the vehicle stability control system.

CLEAR VEHICLE CONTROL HISTORY (FRONT CAMERA SYSTEM)

NOTICE:

By performing this procedure, all stored Vehicle Control History will be cleared.

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Chassis / Front Recognition Camera / Utility / Vehicle Control History (RoB).

Chassis > Front Recognition Camera > Utility

Tester Display

Vehicle Control History (RoB)

(e) Clear the Vehicle Control History (RoB) according to the display on the Techstream.

    Freeze Frame Data
    FREEZE FRAME DATA DESCRIPTION (a) Whenever a front camera system DTC is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) as Freeze Frame Data. CHECK ...

    Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range (C10001C,C10051C,C100A62,C1A9346,C1A9445,C1A9447,C1A9487-C1A961C)
    DESCRIPTION When an internal malfunction is detected in the forward recognition camera, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area C10001C Contro ...

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    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Vehicle Stability Control System: Right Rear Wheel Speed Sensor Circuit Short to Battery (C051212)
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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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