Section 276.209  On-Board Diagnostic Test Procedures

a)         Test Procedures

            The OBD test procedure shall be conducted according to the method specified in 40 CFR 85.2222(a), (b), and (c), incorporated by reference in Section 276.104(b) of this Part. However, once initiated, the OBD test shall be conducted as completely as possible, regardless of intermediate reject or fail results.

b)         Pass/Fail Determination

            The pass/fail determination for OBD testing shall be conducted according to the method specified in 40 CFR 85.2222(d), incorporated by reference in Section 276.104(b) of this Part.

c)         Reject Determination

The reject determination for OBD testing shall be conducted according to the method specified in 40 CFR 85.2222(c), incorporated by reference in Section 276.104(b) of this Part, with the following modifications, according to which a vehicle shall be rejected from testing:

1)         The vehicle is presented for testing and passes the OBD inspection, but the number of unset non-continuous OBD readiness codes exceeds the following:

A)        2 monitors "not ready" for MY 1996 to MY 2000 vehicles; and

B)        1 monitor "not ready" for MY 2001 and newer vehicles; or

2)         The vehicle is presented for retesting after an OBD failure involving catalytic converter DTCs P0420 through P0439, and the catalyst monitor is "not ready" at the time of retest.

d)         OBD Test Report

The OBD test report shall be prepared according to the method specified in 40 CFR 85.2223, incorporated by reference in Section 276.104(b) of this Part.

(Source:  Amended at 35 Ill. Reg. 11268, effective June 28, 2011)