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Home >> Lexus >> 2003 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Anti-Lock) >> Component Tests >> Speed Sensor Signal Check >> With Hand-Held Tester
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With Hand-Held Tester

WARNING: This page is about a different car, the 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect hand-held tester to (DLC3). See Figure.
  2. Start engine and check that ABS warning light flashes. If ABS warning light does not flash, inspect ABS warning light circuit and Ts circuit. See SYSTEM TESTING .
  3. Keep vehicle in stationary condition on a flat surface for one second or more.
  4. Depress brake pedal with 33 ft.lb. (147 N) or more for one second or more.
  5. Let up pressure and then depress brake pedal quickly with 22 ft.lb. (98 N) or more. ABS warning light comes on for 3 seconds.
  6. Drive vehicle straight forward and faster than 28 MPH for several seconds. Check that ABS warning light turns off.
  7. Stop vehicle. Read DTCs by following prompts on tester screen. If any DTCs are retrieved, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .
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