Confirmation Driving Pattern

HINT:

• This confirmation driving pattern is used in the "PERFORM CONFIRMATION DRIVING PATTERN" procedure of the following diagnostic troubleshooting procedure.

• Performing this confirmation pattern will activate the Heated Oxygen (HO2) sensor monitor. (The catalyst monitor is performed simultaneously.) This is very useful for verifying the completion of the repair.

Vehicle Speed

Between 40 mph and 70 mph (64 km/h and 113 km/h)

Idling _ Ignition Switch OFF

Warm up

NOTICE:

This test will not be completed if the vehicle is driven at absolutely constant speed such as with cruise control activated.

Time

10 minutes

(Note: Even if vehicle stops during driving pattern, test can be resumed)

1. Connect the intelligent tester to the DLC3.

READINESS TESTS

MISFIRE MON

AVAIL

FUEL SYS MON

AVAIL

COMP MON

AVAIL

CAT EVAL

INCMPL

HTD CAT EVAL

N/A

EVAP EVAL

INCMPL

2nd AIR EVAL

N/A

A/C EVAL

N/A

02S EVAL

INCMPL

02S HTR EVAL

INCMPL

EGR EVAL

2. Turn the ignition switch to the ON position.

3. Turn the tester on.

5. Select the following menu items: DIAGNOSIS / CARB OBD II / READINESS TESTS.

6. Check that O2S EVAL is INCMPL (incomplete).

7. Start the engine and warm it up. (Proceed "A")

8. Drive the vehicle at between 40 mph and 70 mph (64 km/h and 113 km/h) for at least 10 minutes. (Proceed "B")

9. Note the state of the Readiness Tests items. Those items will change to COMPL (complete) as the O2S EVAL monitor operates.

lO.On the tester, select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO /

PENDING CODES and check if any DTCs (any pending DTCs) are set. HINT:

If O2S EVAL does not change to COMPL, and any pending DTCs fail to set, extend the driving time.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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