Confirmation Driving Pattern

CONFIRMATION DRIVING PATTERN
a. Switch the hand-held tester from the normal mode to the check mode.*1
b. Start the engine and let the engine idle for 100 seconds or more.*2
c. Drive the vehicle at 40 km/h (24 mph) or more for 20 seconds or more.*3
d. Let the engine idle for 20 seconds or more.*4
e. Repeat the procedure *3 and *4 three times.
f. Let the engine idle for 30 seconds.*5
g. Check the 02 sensor output voltage.

HINT: If a malfunction exists, the check engine warning light comes on.

NOTE: It the conditions on this test are not strictly followed, the malfunction will not be detected.