Confirmation Driving Pattern
WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
This confirmation driving pattern is used in the PERFORM CONFIRMATION DRIVING PATTERN procedure of the following diagnostic troubleshooting procedure.
- Connect a Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the tester ON.
- Clear DTCs (See DTC CHECK/CLEAR ).
- Start the engine, and warm it up until the ECT reaches 75°C (167°F) or higher.
- On the Techstream, select the following menu items to check the fuel cut status: Powertrain / Engine and ECT / Data List / All Data / Idle Fuel Cut.
- Drive the vehicle at between 38 mph (60 km/h) and 75 mph (120 km/h) for at least 10 minutes.
- Change the transmission to 2nd gear.
- Drive the vehicle at proper vehicle speed to perform fuel cut operation (refer to the following HINT).
HINT:
Fuel cut is performed when the following conditions are met:
- Accelerator pedal fully released.
- Engine speed is 2,500 rpm or more (fuel injection returns at 1,000 rpm).
- Accelerate the vehicle to 40 mph (64 km/h) or more by depressing the accelerator pedal for at least 10 seconds.
- Soon after performing step (j) above, release the accelerator pedal for at least 8 seconds without depressing the brake pedal, in order to execute fuel cut control.
- Allow the vehicle to decelerate until the vehicle speed declines to less than 6 mph (10 km/h).
- Repeat steps from ( h) through ( k) above at least 3 times in one driving cycle.
HINT:
Monitor Information on the Techstream:
To check Monitor Information (Test Result), select the following menu items: Powertrain / Engine and ECT / Monitor / O2 Sensor. Completion of all monitors for the A/F and HO2 sensors is required to update the value in O2 Sensor.
CAUTION: Strictly observe posted speed limits, traffic laws, and road conditions when performing these drive patterns.