Test Drive Confirmation
WARNING: This page is about a different car, the 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition off. Connect Toyota hand-held tester or scan tool to Data Link Connector (DLC) No. 3. See Figure. Switch Toyota hand-held tester from NORMAL mode to CHECK mode. Start engine and allow engine to idle for 100 seconds or more. Go to next step.
- Drive vehicle at 24 MPH or more for 20 seconds or more. Let engine idle for 20 seconds or more. Repeat driving and idling portion of procedure 3 more times. Let engine idle for 30 seconds or more. Using hand-held tester or scan tool, check A/F sensor voltage. If malfunction exists, MIL will illuminate.