1. Allen Lyons 2015 I/M Solutions Forum Virginia Beach 1

2. 2  Public Workshop – El Monte, CA  Date: Thursday, October 30, 2014  Finalization of OBD II Regulatory Package  Finalize proposal in March/April timeframe  All proposed OBD II amendments frozen May 2015  45-Day Notice Package  Projected publication date: August 4, 2015  Includes notice, staff report, and proposed regulatory language  Board Hearing  Projected date: September 24-25, 2015  Changes requiring leadtime generally won’t be implemented until at least MY2019

3. 3 LEV III OBD II Gasoline Thresholds Exhaust Standards Monitor Thresholds (except catalyst) Catalyst Monitor Threshold Vehicle Type Vehicle Emission Category NMOG+NOx Mult. CO Mult. PM Mult. PM THD (mg/mi) NMOG+NOx Mult. Passenger Cars, Light- Duty Trucks, and Chassis Certified MDPVs LEV160 1.50 N/A17.50 1 1.75 ULEV125 ULEV70 2.00 ULEV50 SULEV30 2.50 SULEV20 2 1. Applies to 2019 and subsequent model year vehicles 2. For SULEV20 vehicles, in lieu of the 2.50 NMOG+NOx multiplier set forth in Table 1, manufacturers shall use an NMOG+NOx multiplier of 3.25 for the first three model years a vehicle is certified, but no later than the 2025 model year

4. 4 LEV-III OBD II Diesel Thresholds Exhaust StandardsMonitor Thresholds Aftertreatment Monitor Thresholds Vehicle Type Vehicle Emission Category NMOG+ NOx Mult. CO Mult. PM Mult. NMOG+ NOx Mult. CO Mult. PM Mult. Passenger Cars, Light- Duty Trucks, and Chassis Certified MDPVs LEV160 1.50 2.00 1.75 1.50 2.00 1 ULEV125 ULEV70 2.00 ULEV50 SULEV30 2.50 SULEV20 1. Applies to 2019 and subsequent model years. For DPF Monitoring, the PM threshold is 17.5 mg/mile.

5.  The number of unused 2 byte fault codes within the SAE J2012/J1979 structure is rapidly decreasing  Industry has proposed moving from J1979 to UDS (ISO 14229) ◦ provides for 3 byte fault codes. ◦ Would require all OBD II messages to be moved over to UDS ◦ UDS is CAN based, but would require updates to scan tools/IM equipment  Fixing J1979 to provide for new DTC structure is also a possibility  Pros and cons exists for each option  Immediate fix: permit fault code assignments outside of the normal boundaries (e.g., P04XX – auxiliary emission controls) ◦ Provides relief for categories about to be exhausted  Long term: continue to work with manufacturers and tool industry to decide best course of action. 5

6.  Standardizes requirement to erase “history” codes after 40 warm up cycles.  Minor amendments to clarify permanent fault code erasure for thermostat and “time-to-closed-loop” monitors, and to prevent code erasure delays 6

7.  Better defines monitoring requirement applicability  May reduce number of minor faults monitored  “testing out” of monitoring requirements permitted for faults with less than 15% of standard impact. ◦ Evaluated over 4 different cycles  MIL illumination not required for failures that invoke acceptable “emissions-neutral default action”  Provisions to exempt components/systems that are purely safety related (e.g., traction control) 7

8.  Real time parameters added for PEMS testing and Diesel Exhaust Fluid (DEF) dosing on diesel vehicles.  Distance travelled since 0.020 inch leak detection monitor last completed ◦ Helpful for in-use testing purposes  Hybrid vehicle charging status, system voltage/current  Possible addition of green house gas related parameters. 8

9.  In-use monitoring ratios won’t be erased by battery disconnection  Monitor test result improvements for air/fuel ratio cylinder imbalance and some diesel engine parameters  OBD Connector ◦ Incorporate latest version of J1962 into regulation ◦ Prohibit covers and access panels ◦ Prohibit multiple J1962 connectors in driver’s foot-well location 9

10.  http://www.arb.ca.gov/msprog/obdprog/obdprog.htm http://www.arb.ca.gov/msprog/obdprog/obdprog.htm ◦ Workshop presentations ◦ Rulemaking package (after Aug 4) ◦ Past rulemakings ◦ Fact sheets and other reference materials  Board Hearing Webcasts ◦ http://www.calepa.ca.gov/broadcast/?BDO=1 http://www.calepa.ca.gov/broadcast/?BDO=1  Questions? ◦ Allen Lyons (626) 698-1966, allen.lyons@arb.ca.gov 10