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Home >> Lexus >> 2003 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 70 (Electronic - Active Height Control) >> Trouble Shooting >> System Pre-Check >> Vehicle Speed Sensing Function
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Vehicle Speed Sensing Function

WARNING: This page is about a different car, the 2002 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start the engine and push height select switch to "LO" mode.
  2. Drive the vehicle faster than 7 mph and check indicator that vehicle height changes from "LO" to "N" position.
  3. Stop the vehicle and push height select switch to select "HI" mode.
  4. Drive the vehicle faster than 19 mph and check indicator that vehicle height changes from "HI" to "N" position.
  5. Stop the vehicle. Push height control switch to turn off height control.
  6. Drive the vehicle and verify by observing indicator that height control is activated automatically under various speeds. See VEHICLE HEIGHT STANDARD VALUES .
VEHICLE HEIGHT STANDARD VALUES

Vehicle Height Vehicle Speed
HI More Than 19 MPH
N More Than 50 MPH
L More Than 19 MPH