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Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

1

Make sure you perform the I/M System Check before performing this test. Failure to do so may result in difficulty updating the status to YES.

2

This step is to run the Heated Oxygen Sensor (HO2S) Heater tests and Evaporative Emission (EVAP) System tests.

3

This step runs the catalyst test. The catalyst test runs during the specified cruise period.

4

This step is to sets up the Oxygen Sensor (O2S) tests. Test runs during the idle period immediately following a cruise period that meets a minimum calibrated RPM and time period.

5

This step runs the O2S tests and EVAP tests. Test runs during the idle period immediately following a cruise period that meets a minimum calibrated RPM and time period.

6

Perform the individual system test for any of the systems that do not update to YES.

7

The I/M System Status only reports on whether or not a diagnostic has run, not what the outcome of the test was. If any emission related DTC sets after the tests are complete, the DTC will require diagnosis.