Confirmation Driving Pattern

CONFIRMATION DRIVING PATTERN
1. Connect the LEXUS hand-held tester to the DLC3.
2. Switch the LEXUS hand-held tester from the normal mode to the check mode.
3. Start the engine and warm it up with all the accessory switches OFF.
4. Drive the vehicle at 50 - 65 KPH (31 - 40 MPH) for 1 - 3 min. to warm up the heated oxygen sensor.
5. Let the engine idle for 1 min.
6. Perform steps 3 to 5 3 times.

HINT: If a malfunction exists, the MIL will light up during step 6.

NOTE: If the conditions in this test are not strictly followed, detection of the malfunction will not be possible. If you do not have a LEXUS hand-held tester, turn the ignition switch OFF after performing steps 3 to 6, then perform steps 3 to 6 again.