Confirmation Driving Pattern

1. Connect the intelligent tester to the DLC3.

2. Turn the ignition switch to the ON position.

3. Turn the tester on.

4. Record the DTC(s) and freeze frame data.

5. Using the tester, switch the ECM from normal mode to check mode (See page ES-41).

6. Read the misfire counts of each cylinder (CYL #1 to #4) with the engine in an idling condition. If any misfire count is displayed, skip the following confirmation driving pattern.

7. Drive the vehicle several times with the conditions, such as engine rpm 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 drive the vehicle for the period of time shown in the table below, with the MISFIRE RPM and MISFIRE LOAD in the DATA LIST.

Engine RPM

Duration

Idling

3.5 minutes or more

1,000

3 minutes or more

2,000

1.5 minutes or more

3,000

1 minute or more

8. Check whether misfires have occurred by checking for DTCs and freeze frame data. HINT:

Do not turn the ignition switch off until the stored DTC(s) and freeze frame data have been recorded. When the ECM returns to normal mode (default), the stored DTC(s), freeze frame data and other data will be erased.

9. Record the DTC(s), freeze frame data and misfire counts.

10.Turn the ignition switch off and wait for at least 5 seconds.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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