VEHICLE CONTROL HISTORY
DESCRIPTION
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PRECAUTIONS
CHECK VEHICLE CONTROL HISTORY (ELECTRONICALLY CONTROLLED BRAKE SYSTEM AND ELECTRIC PARKING BRAKE SYSTEM)
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / Brake/EPB / Utility / Vehicle Control History (RoB).
Chassis > Brake/EPB > Utility Tester Display |
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Vehicle Control History (RoB) |
Code | Tester Display | Measurement Item | User Notification | Diagnostic Note |
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X0451 | FL Speed Sensor Wrong Installation | History of front speed sensor LH being installed incorrectly |
| Refer to FL Speed Sensor Wrong Installation (X0451).
|
X0452 | FR Speed Sensor Wrong Installation | History of front speed sensor RH being installed incorrectly |
| Refer to FR Speed Sensor Wrong Installation (X0452).
|
X0453 | RL Speed Sensor Wrong Installation | History of rear speed sensor LH being installed incorrectly |
| Refer to RL Speed Sensor Wrong Installation (X0453).
|
X0454 | RR Speed Sensor Wrong Installation | History of rear speed sensor RH being installed incorrectly |
| Refer to RR Speed Sensor Wrong Installation (X0454).
|
X0455 | Steering Angle Sensor Wrong Installation | History of steering angle sensor being installed incorrectly |
| - |
X0456 | Yaw Rate Sensor Wrong Installation | History of yaw rate sensor (airbag ECU assembly) being installed incorrectly |
| Refer to Yaw Rate Sensor Wrong Installation (X0456).
|
X2079 | Communication Error from Brake Control Module to Engine Control Module | History of receiving an invalid communication signal from ECM |
|
|
X2086 | SRS Airbag Malfunction | History of receiving an abnormal secondary collision brake control request signal from airbag ECU assembly | - | Refer to How to Proceed with Troubleshooting in Airbag System.
|
X2087 | Engine Malfunction | History of receiving an SFI system abnormal signal from ECM |
| Refer to How to Proceed with Troubleshooting in SFI System. for 2GR-FKS: for A25A-FKS: |
X208A | Zero Point Calibration of Steering Angle Sensor Initialization Malfunction | History of failure in acquiring steering angle zero point even after the vehicle is driven in a straight line at a vehicle speed of 15 km/h (9 mph) or more for 115 seconds or more with the steering angle sensor zero point calibration cleared |
| Refer to Zero Point Calibration of Steering Angle Sensor Initialization Malfunction (X208A).
|
X208B | EPB Motor Continuous Operation Request | History of system suspended to prevent overheat of parking brake actuator assembly when electric parking brake was used repeatedly |
|
|
X2096 | Pre-Collision Brake | History of pre-collision brake operation | In accordance with Pre-collision System behavior | - |
X2098 | Pre-Collision Brake Assist | History of pre-collision brake assist operation | In accordance with Pre-collision System behavior | - |
X20A0 | ABS | History of ABS operation | - | - |
X20A1 | VSC | History of VSC operation | Slip indicator light blinks | - |
X20A2 | TRC(TRAC) | History of TRAC operation | Slip indicator light blinks | - |
X20A5 | Hill Start Assist | History of hill start assist operation | - | - |
X20A7 | Brake Assist | History of brake assist operation | - | - |
X20A8 | Secondary Collision Brake | History of secondary collision brake operation | - | - |
X20A9 | ABS Continuous Operation Request | History of ABS being operated for 60 seconds or more |
| - |
X20AA | VSC Continuous Operation Request | History of VSC being operated for 10 seconds or more |
| - |
CLEAR VEHICLE CONTROL HISTORY (ELECTRONICALLY CONTROLLED BRAKE SYSTEM AND ELECTRIC PARKING BRAKE SYSTEM)
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / Brake/EPB / Utility / Vehicle Control History (RoB).
Chassis > Brake/EPB > Utility Tester Display |
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Vehicle Control History (RoB) |
(f) Press the DTC clear button.
NOTICE:
By performing this procedure, all stored Vehicle Control History items will be cleared.
VEHICLE CONTROL HISTORY (AIRBAG SYSTEM)
HINT:
A part of the control history can be confirmed using the vehicle control history.
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