Confirmation Driving Pattern
WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Record the DTC(s) and freeze frame data.
- Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
- Using the Techstream, switch the ECM from normal mode to check mode (Refer to CHECK MODE PROCEDURE [08/2015 - 08/2018] ).
- Read the misfire counts of each cylinder (Cylinder #1 Misfire Count to Cylinder #8 Misfire Count) with the engine idling.
- Drive the vehicle several times with the conditions, such as engine speed and engine load, shown in Misfire RPM and Misfire Load in the Data List.
HINT:
In order to store misfire DTCs, it is necessary to operate the vehicle for the period of time shown in the table below, using the Misfire RPM and Misfire Load in the Data List.
Engine speed Duration Idling 8.0 minutes or more 1000 4.5 minutes or more 2000 2.5 minutes or more 3000 1.5 minute or more - Check whether misfires have occurred by checking DTCs and freeze frame data.
HINT:
Do not turn the ignition switch off until the stored DTCs and freeze frame data have been recorded. When the ECM returns to normal mode (default), the stored DTC, freeze frame data and other data will be erased.
- Record the DTC(s), freeze frame data and misfire counts.
- Turn the ignition switch off and wait for at least 15 seconds.
- Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).