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Confirmation Test

  1. Connect scan tool to Data Link Connector (DLC) No. 3. See Figure. If using OBD-II scan tool, go to next step. If using Lexus scan tool, switch to CHECK mode. Ensure all accessories are off. Start and warm engine to normal operating temperature. Drive vehicle at 31-40 MPH for 1-3 minutes. Stop vehicle and allow to idle for one minute. Repeat driving and idle part of test 3 more times. If malfunction exists, MIL will illuminate.
  2. If using OBD-II scan tool, ensure all accessories are off. Start and warm engine to normal operating temperature. Drive vehicle at 31-40 MPH for 1-3 minutes. Stop vehicle and allow to idle for one minute. Turn engine off. Repeat driving and idle part of test. If malfunction exists, MIL will illuminate.
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