Lexus ES: 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 electronically controlled brake 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 electronically controlled brake 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:
Factor:
|
| 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 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 |
| 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:
Factor:
|
| 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 electronically controlled brake 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 electronically controlled brake system. |
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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.
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