VARIABLE GEAR RATIO STEERING SYSTEM > INITIALIZATION
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STEERING ANGLE SENSOR INITIALIZATION (to obtain a tire angle (during straight-ahead driving) signal)
a. Turn the engine switch on (IG), and check that the master warning light
illuminates for a few seconds.
NOTICE:
If the warning light remains on, repair the applicable system.
b. Drive the vehicle on a straight road at 35 km/h (22 mph) or more for 5 seconds or
more.
HINT:
At this point, the steering wheel will still remain off-center by 5
to 10°.
In this step, the neutral position of the steering wheel is
restored from the steering control ECU memory.
c. Confirm that steering angle sensor initialization is completed (using the tester).
i. Enter the VGRS menu using the tester. Select "Straight Angle Valid
Flag" from "Data List". Check if the steering angle sensor has
obtained a tire angle (during straight-ahead driving) signal.
Standard:
"Valid" is displayed on the tester screen.
d. Confirm that steering angle sensor initialization is completed (not using the tester).
i. Stop the vehicle (engine running).
ii. Slowly turn the steering wheel from lock to lock.
iii. If it turns approximately 2.7 turns, steering angle sensor initialization is completed. If it turns approximately 3.2 turns, steering angle
sensor initialization is not completed.
NOTICE:
If the steering wheel turns approximately 3.2 turns, drive the vehicle on a straight road at 35 km/h (22 mph) or more for 5
seconds or more. Then confirm the initialization again.
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