Confirmation Driving Pattern

HINT:

Performing this confirmation pattern will activate the A/F sensor response monitor.

Fig 1: Vehicle Speed Graph

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Tester Display - Monitor Result Screen

Connect an intelligent tester to the DLC3.
Turn the ignition switch to ON.
Turn the tester on.
Clear DTCs (where set).
Select the following menu items: DIAGNOSIS /ENHANCED OBD II / MONITOR INFO / MONITOR RESULT.
Check that RES RATE B1S1 is INCOMP.
Start the engine and warm it up (Procedure "A").
Drive the vehicle at between 25 mph and 75 mph (40 km/h and 120 km/h) for 3 minutes. However, the vehicle should be driven at a constant speed (Procedure "B").
Check the monitor result values on the intelligent tester by selecting the following menu items: DIAGNOSIS / ENHANCED OBD II / MONITOR INFO / TEST RESULT.
If the values indicated on the tester do not change, perform READINESS MONITOR DRIVE PATTERN for the A/F sensor and the heated oxygen sensor (See WIRING DIAGRAM ).
HINT:

Completion of all A/F sensor monitors is required to change the value in TEST RESULT.
Note the value of the Monitor Result.
Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / PENDING CODES.
Check if any DTCs (any pending DTCs) are set.