With Lexus Hand-Held Tester

VSC SENSOR CHECK (TEST MODE)

HINT: If the ignition switch is turned from ON to ACC or LOCK during test mode, DTC will be erased.

Using LEXUS hand-held tester, check the VSC sensor signal.





1. Hook up the LEXUS hand-held tester to the DLC3.
2. Check that the shift lever position is at P range, turn the steering wheel to the neutral position.
3. Start the engine.





4. Check that the VSC warning light blinks.

HINT: If the VSC warning light does not blink, inspect the VSC warning light circuit and Ts terminal circuit.

5. After a new ECU installed, the first time only:
Start the engine and keep the vehicle in the stationary condition on the flat place for 3 sec. or more, it's installed the zero point calibration of the yaw rate sensor.
6. Check the steering angle sensor.
Turn the steering wheel to either left or right to the full lock position, from the vehicle stationary condition, and turn back the steering wheel to the neutral position.





7. Check the yaw rate sensor.
Shift the shift lever to the D range and drive the vehicle at the vehicle speed of approx. 5 kph (3 mph), turn the steering wheel either to left or right 90 ° or more, and maintain 180 ° circular drive for the vehicle.
Stop the vehicle and shift the shift lever to the P range, check that the VSC buzzer sounds for 3 sec.






HINT:
- If the VSC buzzer sounds, the sensor check is in normal completion.
If the VSC buzzer does not sound, do the sensor check again.
- If the VSC buzzer still won't sound, there is a malfunction in the VSC sensor, so check the DTC.
- Drive the vehicle in a 180 ° circle. At the end of the turn, the direction of the vehicle should be within 180 ° ± 5 ° of its start position.
- Do not spin the front wheels.

8. Read the DTC by following the prompts on the tester screen.

HINT: Please refer to the LEXUS hand-held tester operator's manual for further details.





DTC of VSC sensor check funtion