Confirmation Driving Pattern
HINT:
Performing this confirmation pattern will activate the air fuel ratio sensor response monitor.
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Clear the DTCs. Refer to DTC CHECK / CLEAR .
- Turn the ignition switch off.
- Turn the ignition switch to ON and turn the Techstream on [A].
- Enter the following menus: Powertrain / Engine and ECT / Monitor / O2 Sensor / Details.
- Check that RES RATE B1S1 and RES RATE B2S1 are Incomplete.
- Start the engine and warm it up (until the engine coolant temperature is 75°C (167°F) or more) [A].
- Drive the vehicle at a constant speed of between 47 and 62 mph (75 and 100 km/h) for 10 minutes [B].
- Check the monitor result values on the Techstream by entering the following menus: Powertrain / Engine and ECT / Monitor / O2 Sensor / Details / RES RATE B1S1 and B2S1.
- If the values indicated on the Techstream do not change, perform Readiness Monitor Drive Pattern for the air fuel ratio sensor and heated oxygen sensor. Refer to READINESS MONITOR DRIVE PATTERN .
- Note the value of the Monitor Result.
- Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
- Input the DTC: P2A00.
- Check the DTC judgment result [C].
Techstream Display Description NORMAL - DTC judgment completed
- System normal
ABNORMAL - DTC judgment completed
- System abnormal
INCOMPLETE - DTC judgment not completed
- Perform driving pattern after confirming DTC enabling conditions
UNKNOWN - Unable to perform DTC judgment
- Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit
HINT:
If the judgment result shows ABNORMAL, the system has a malfunction.
- If the test result is UNKNOWN, enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
- Read Pending DTCs.
HINT:
If a pending DTC is output, the system is malfunctioning.