Confirmation Driving Pattern

HINT:

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

Fig 1: Identifying Confirmation Driving Pattern

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Connect a Techstream to the DLC3.
2. Turn the ignition switch ON.
3. Turn the tester ON.
4. Clear DTCs (See DTC CHECK/CLEAR ).
5. Select the following menu items: Powertrain / Engine and ECT / Monitor / O2 Sensor / Details.
6. Check that RES RATE B1S1 and RES RATE B2S1 are Incomplete.
7. Start the engine and warm it up.
8. 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.
9. Check the monitor result values on the Techstream by selecting the following menu items: Powertrain / Engine and ECT/ Monitor/ O2 Sensor/ Details / RES RATE B1S1 or RES RATE B2S1 / Details.
10. 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 READINESS MONITOR DRIVE PATTERN ).

    HINT:

    Completion of all A/F sensor monitors is required to change the value in RES RATE B1S1 and RES RATE B2S1.

11. Note the value of the RES RATE B1S1 and RES RATE B2S1.
12. Select the following menu items: Powertrain / Engine and ECT / Trouble Codes / Pending.
13. Check if any DTCs (any pending DTCs) are set.