BAR 97 Transition Class

BAR 97 Transition Class BAR 97 Transition Class BAR 97 Transition Class BAR 97 Transition Class

WHAT’S THE LATEST?WHAT’S THE LATEST?WHAT’S THE LATEST?WHAT’S THE LATEST?

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WWW.SMOGCHECK.CA.GOVWWW.SMOGCHECK.CA.GOV

WHAT IT WAS IN 1997WHAT IT WAS IN 1997WHAT IT WAS IN 1997WHAT IT WAS IN 1997

Smog Check II Smog Check II Program AreasProgram Areas

19971997

WHAT IT IS CURRENTLYWHAT IT IS CURRENTLYWHAT IT IS CURRENTLYWHAT IT IS CURRENTLY

Smog Check II Smog Check II Program AreasProgram Areas

20052005

BAR 97 Transition Class BAR 97 Transition Class BAR 97 Transition Class BAR 97 Transition Class

COURSE REQUIREMENTSCOURSE REQUIREMENTS

• 8 Hours mandatory class on new theories8 Hours mandatory class on new theories• Additional 20 hour course also required (BAR97U)Additional 20 hour course also required (BAR97U)

• 17 of 25 correct on final to qualify17 of 25 correct on final to qualify• Results scored by instructor & recorded by BARResults scored by instructor & recorded by BAR

• Everyone must run one ASM mode test Everyone must run one ASM mode test

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I. ASM DYNAMOMETER OPERATION & TESTINGI. ASM DYNAMOMETER OPERATION & TESTINGII. 5 GAS EMISSIONS--NOxII. 5 GAS EMISSIONS--NOxIII. BAR 97 TEST PROCEDURESIII. BAR 97 TEST PROCEDURESIV. INSTRUCTOR DEMONSTRATIONSIV. INSTRUCTOR DEMONSTRATIONSV. STUDENT LAB ASSIGNMENTV. STUDENT LAB ASSIGNMENTVI. REVIEW OF BASIC DIAGNOSTIC PROCEDURESVI. REVIEW OF BASIC DIAGNOSTIC PROCEDURESVII. CUSTOMER AWARENESSVII. CUSTOMER AWARENESSVIII. FINAL EXAMINATION--17 OF 25 TO PASSVIII. FINAL EXAMINATION--17 OF 25 TO PASS

BAR 97 TRANSITION COURSE OUTLINEBAR 97 TRANSITION COURSE OUTLINE

ASM DYNAMOMETERASM DYNAMOMETEROPERATION & TESTING OPERATION & TESTING


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•ASM ASM STANDS FOR STANDS FOR

• AACCELERATIONCCELERATION SSIMULATIONIMULATION MMODEODE•ASM emission test equipment tests the vehicle at ASM emission test equipment tests the vehicle at

two constant speeds and load levelstwo constant speeds and load levels• 50% load at 15 mph (known as the 50/15 test)50% load at 15 mph (known as the 50/15 test)• 25% load at 25 mph (known as the 25/25 test)25% load at 25 mph (known as the 25/25 test)

•High constant load at a relatively low speed High constant load at a relatively low speed “simulates” acceleration. “simulates” acceleration.

5 GAS EXHAUST EMISSIONS5 GAS EXHAUST EMISSIONS

NOxNOx

•High NOx levels increase greatly High NOx levels increase greatly when combustion temperatures when combustion temperatures

exceedexceed25002500oo F. F.


NOxNOx

NOx levels increase as aNOx levels increase as a

LOADLOAD

is applied to the engineis applied to the engine..


NOxNOx

•NOx relationship to air/fuel ratio (see attached material):NOx relationship to air/fuel ratio (see attached material):•Rich mixture (less than 14.7:1): NOx levels are low, Rich mixture (less than 14.7:1): NOx levels are low,

CO and HC are high.CO and HC are high.•Stoichiometric mixture (14.7:1): HC & CO levels are Stoichiometric mixture (14.7:1): HC & CO levels are

acceptable, and NOx can be controlled.acceptable, and NOx can be controlled.•Lean Mixture (more than 14.7:1): NOx levels Lean Mixture (more than 14.7:1): NOx levels

increase until just before 16:1 then increase until just before 16:1 then decreases decreases sharply due to asharply due to a

LEAN MISFIRELEAN MISFIRE which cools the cylinder with unburned which cools the cylinder with unburned

fuel, fuel, (CO decreases and HC increases)(CO decreases and HC increases)

STOICHIOMETRIC CHARTSTOICHIOMETRIC CHART

14.7:1

O2

CO

HC

NOxCO2

10:1 20:1RICH LEAN


CATALYTIC CONVERTER EFFICIENCYCATALYTIC CONVERTER EFFICIENCY

•Proper 3-way catalytic converter operation requires a Proper 3-way catalytic converter operation requires a STOICHIOMETRICSTOICHIOMETRIC air/fuel ratio. air/fuel ratio.


CATALYTIC CONVERTER EFFICIENCYCATALYTIC CONVERTER EFFICIENCY

•Rich mixture: Converter cannot efficiently control CO Rich mixture: Converter cannot efficiently control CO and HC, NOx is controlled by and HC, NOx is controlled by

excessive excessive fueling (cools combustion fueling (cools combustion temperature).temperature).•Lean Mixture: Converter cannot efficiently control Lean Mixture: Converter cannot efficiently control

NOx , Converter can control NOx , Converter can control CO & HC. CO & HC.

BAR 97 TEST PROCEDURES BAR 97 TEST PROCEDURES BAR 97 TEST PROCEDURES BAR 97 TEST PROCEDURES

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GENERAL PROCEDURES:GENERAL PROCEDURES:

NOTE: NOTE: Exact BAR 97 EIS prompts and Exact BAR 97 EIS prompts and procedures will vary by equipment manufacturer and procedures will vary by equipment manufacturer and software versions. Always follow manufacturer’s software versions. Always follow manufacturer’s procedures and instructions when performing actual procedures and instructions when performing actual tests.tests.


1.1. Perform all equipment Perform all equipment warm-up procedureswarm-up procedures..

2. Perform all EIS equipment manufacturer’s required 2. Perform all EIS equipment manufacturer’s required maintenance: Gas calibration, leak test etc..maintenance: Gas calibration, leak test etc..

3. Determine if the vehicle is all wheel drive (AWD) 3. Determine if the vehicle is all wheel drive (AWD) equipped: AWD, full-time four wheel drive, orequipped: AWD, full-time four wheel drive, or Non-disengageable Non-disengageable TRACTION TRACTION control. control.

GENERALGENERAL PROCEDURESPROCEDURES: : (CONT)(CONT)


4. Vehicle test weight: EIS will 4. Vehicle test weight: EIS will WEIGHWEIGH the vehicle’s drive axle. the vehicle’s drive axle.

5. EIS uses the measured weight of the drive axle and 5. EIS uses the measured weight of the drive axle and vehiclevehicle

INFORMATION INFORMATION database (VID) and vehicle database (VID) and vehicle

LOOK-UPLOOK-UP table (VLT) to calculate correct load. table (VLT) to calculate correct load.

GENERAL PROCEDURES: (CONT)GENERAL PROCEDURES: (CONT)


6. If the measured drive axle weight does not match (within 6. If the measured drive axle weight does not match (within set tolerances) VID/VLT data: EIS may ask the set tolerances) VID/VLT data: EIS may ask the technician if the vehicle appears to have an excess technician if the vehicle appears to have an excess load greater than 500 lbs. (a camper shell, a load of load greater than 500 lbs. (a camper shell, a load of bricks, etc.).bricks, etc.).

A.A. If the technician answers YES, the EIS will If the technician answers YES, the EIS will calculate proper load.calculate proper load.

B. B. If the technician answers NO, the EIS may If the technician answers NO, the EIS may prompt to weigh the non-drive axle and will use prompt to weigh the non-drive axle and will use the total measured weight to calculate the load.the total measured weight to calculate the load.

GENERAL PROCEDURES: (CONT)GENERAL PROCEDURES: (CONT)


PREPARING TO TEST THE VEHICLE:PREPARING TO TEST THE VEHICLE:

1. Vehicle condition - Check under the vehicle for fluid 1. Vehicle condition - Check under the vehicle for fluid leakage:leakage:

A. A. OilOilB.B. CoolantCoolantC.C. Transmission fluid, etc.Transmission fluid, etc.


PREPARING TO TEST THE VEHICLE: (cont)PREPARING TO TEST THE VEHICLE: (cont)

2. Inspect the 2. Inspect the TIRESTIRES for any unsafe condition(s): for any unsafe condition(s):A.A. Excessive wearExcessive wearB.B. DamageDamageC.C. Tread separationTread separationD.D. Size mismatchSize mismatchE.E. Studs, etc.Studs, etc.F.F. Check/correct Check/correct TIRE INFLATIONTIRE INFLATION pressure pressure

prior to testingprior to testingG.G. Loose wheel weightsLoose wheel weightsH.H. Wheel coversWheel coversI.I. Rocks stuck in the tread, etc. that could fly Rocks stuck in the tread, etc. that could fly

loose during testingloose during testing


3. 3. There is no 3. !!!!There is no 3. !!!!


PREPARING TO TEST THE VEHICLE: (cont)PREPARING TO TEST THE VEHICLE: (cont)

4. If any condition exists which could render the vehicle 4. If any condition exists which could render the vehicle unsafe to test:unsafe to test:

A. The technician should A. The technician should ABORTABORT the test immediately the test immediately

NOTE: ALWAYS FOLLOW ALL EQUIPMENT NOTE: ALWAYS FOLLOW ALL EQUIPMENT MANUFACTURER’S PROCEDURES AND MANUFACTURER’S PROCEDURES AND PRECAUTIONS WHEN PREPARING TO PRECAUTIONS WHEN PREPARING TO TEST OR WHEN TESTING A VEHICLE.TEST OR WHEN TESTING A VEHICLE.


INITIATING THE TEST:INITIATING THE TEST:

1. Follow the on-screen1. Follow the on-screenPROMPTS PROMPTS when entering the data. when entering the data.

2. Enter all of the required technician and vehicle information 2. Enter all of the required technician and vehicle information data into the EIS: data into the EIS:

A.A. Uses both a bar code scanner and manual entry.Uses both a bar code scanner and manual entry.B. B. Most entries are similar to BAR 90 TAS entries.Most entries are similar to BAR 90 TAS entries.C.C. Follow published procedures and the Follow published procedures and the

EQUIPMENTEQUIPMENT manufacturer’s instructions, manufacturer’s instructions, as necessary.as necessary.


3. Placing the vehicle on the dyno:3. Placing the vehicle on the dyno:A.A. Inspect the dyno rollers for fluid, rocks, etc. that Inspect the dyno rollers for fluid, rocks, etc. that

could cause an unsafe condition.could cause an unsafe condition.B.B. Place the vehicle’s Place the vehicle’s

DRIVE WHEELS DRIVE WHEELS on the dyno scaleon the dyno scalefollowing the manufacturer’s procedures for the following the manufacturer’s procedures for the equipment being used.equipment being used.

C.C. Follow the on-screen prompts whenFollow the on-screen prompts whenCENTERING CENTERING the drive wheels on the rollers. the drive wheels on the rollers.

D.D. Check vehicle/equipment clearance using Check vehicle/equipment clearance using manufacturer’s guideline to assure a safe manufacturer’s guideline to assure a safe testing condition.testing condition.


3. Placing the vehicle on the dyno: (cont.)3. Placing the vehicle on the dyno: (cont.)E.E. Restrain the vehicle from foreward and Restrain the vehicle from foreward and

SIDEWAYS SIDEWAYS movement movement per manufacturer’s instructions:per manufacturer’s instructions:1. Passive and/or automatic restraint system1. Passive and/or automatic restraint system

(straps, rollers, wheel chocks)(straps, rollers, wheel chocks)2. Position side rollers within 5” of sidewall2. Position side rollers within 5” of sidewall

F.F. Position auxiliary fan(s) in front of the vehicle Position auxiliary fan(s) in front of the vehicle and turn ONand turn ON1. EIS will prompt for fan if ambient 1. EIS will prompt for fan if ambient temperature is above 72temperature is above 72o o FF

G.G. Connect appropriate Tach lead to vehicle Connect appropriate Tach lead to vehicle (contact & non-contact type)(contact & non-contact type)


4. Hook up OBD II port.4. Hook up OBD II port.

5. Insert the probe(s) into the tailpipe.5. Insert the probe(s) into the tailpipe.A. A. EIS will prompt for EIS will prompt for

DUAL EXHAUSTDUAL EXHAUST per data entry. per data entry.

6. Assure that all accessories are turned6. Assure that all accessories are turnedOFFOFF..

7. Assure that the vehicle is at operating temperature 7. Assure that the vehicle is at operating temperature before placing on dyno.before placing on dyno.


8. Dry the tires as necessary:8. Dry the tires as necessary:A.A. Follow the EIS prompts for drying the tires.Follow the EIS prompts for drying the tires.B.B. Under 30 mph and specified rpm for the time Under 30 mph and specified rpm for the time

prescribed by the EIS on-screen prompt.prescribed by the EIS on-screen prompt. 9. Close the vehicle’s hood during the inspection.9. Close the vehicle’s hood during the inspection.

PERFORMING THE TEST:PERFORMING THE TEST:NOTE:NOTE: To ensure emissions test accuracy when To ensure emissions test accuracy when

performing either a smog certification or a baseline performing either a smog certification or a baseline emissions test, the technician will not connect emissions test, the technician will not connect diagnostic test equipment to the vehicle.diagnostic test equipment to the vehicle.


PERFORMING THE TEST: (cont)PERFORMING THE TEST: (cont)

1. BAR 97 pre-test requirements:1. BAR 97 pre-test requirements:A.A. EIS looks for the following conditions to EIS looks for the following conditions to be present before beginning the test sequence:be present before beginning the test sequence:

1. The sample dilution is within limits.1. The sample dilution is within limits.2. The EIS does not detect a 2. The EIS does not detect a

LOW FLOWLOW FLOW condition. condition.3. The engine speed is between 400 & 3. The engine speed is between 400 &

1250 rpm.1250 rpm.4. The dyno rollers are not 4. The dyno rollers are not TURNINGTURNING..

B. If the conditions are not met, the EIS will B. If the conditions are not met, the EIS will prompt the needed correction.prompt the needed correction.


PERFORMING THE TEST: (cont)PERFORMING THE TEST: (cont)C.C. If the conditions are met, the EIS will If the conditions are met, the EIS will

prompt “test can begin”.prompt “test can begin”.

2. Starting the 50/15 test mode (test mode I),2. Starting the 50/15 test mode (test mode I),ACCELERATEACCELERATE the vehicle to the vehicle to 1515 mph: mph:

A.A. Hold the speed steady as the EIS applies Hold the speed steady as the EIS applies the load.the load.

B. B. Maximum test duration of 100 secondsMaximum test duration of 100 secondsC.C. Once the 50/15 test is complete the EIS will Once the 50/15 test is complete the EIS will prompt the technician to accelerate the vehicle to prompt the technician to accelerate the vehicle to 25 mph.25 mph.


PERFORMING THE TEST: (cont)PERFORMING THE TEST: (cont)

D. D. Follow on-screen instructions to perform the Follow on-screen instructions to perform the 25/25 test (test mode 2)25/25 test (test mode 2)

3. If any 3. If any UNSAFEUNSAFE condition occurs during the testing, abort condition occurs during the testing, abort the test immediately:the test immediately:A.A. Review abort conditions.Review abort conditions.

4. If, during any segment of the loaded mode test, 4. If, during any segment of the loaded mode test, conditions cause the vehicle to fall out of the set test conditions cause the vehicle to fall out of the set test parameters for a specified time, the EIS will display an parameters for a specified time, the EIS will display an error message requesting a test restart:error message requesting a test restart:


PERFORMING THE TEST: (cont)PERFORMING THE TEST: (cont)Restart parameters:Restart parameters:

A.A. Excessive Excessive ACCELERATION ACCELERATION DURING 50/15 DURING 50/15 OR 25/25 TEST.OR 25/25 TEST.

B.B. Excessive or low vehicle speed (mph)Excessive or low vehicle speed (mph)during 50/15 or 25/25 test.during 50/15 or 25/25 test.

5. If the condition continues longer than allowed the EIS will 5. If the condition continues longer than allowed the EIS will prompt the technician to restart the test or abort the test.prompt the technician to restart the test or abort the test.

6. When the test sequence is completed successfully, the 6. When the test sequence is completed successfully, the EIS will display “end of ASM emission test.”EIS will display “end of ASM emission test.”


OPTIONAL EMISSIONS TEST SEQUENCES:OPTIONAL EMISSIONS TEST SEQUENCES:

1. Two speed (no load) idle test sequence used for trucks 1. Two speed (no load) idle test sequence used for trucks and motor homes with a GVWR of over __and motor homes with a GVWR of over __10000 lb.10000 lb._:_:A. Determined by the VID from the data entered.A. Determined by the VID from the data entered.B. See Visual Inspection Requirements.B. See Visual Inspection Requirements.C. See Functional Inspection Requirements.C. See Functional Inspection Requirements.D. Perform gas cap tests.D. Perform gas cap tests.


VISUAL INSPECTION REQUIREMENTS:VISUAL INSPECTION REQUIREMENTS:

1. Determined by the VID from the data entered.1. Determined by the VID from the data entered.A. See Visual Inspection Requirements.A. See Visual Inspection Requirements.B. All vehicles now require a comprehensive B. All vehicles now require a comprehensive

visual inspection.visual inspection.


Visual Inspection Visual Inspection RequirementsRequirements

Note:Note: The BAR is now The BAR is now

requiring requiring ALLALL vehicles vehicles to undergo a to undergo a

comprehensive visual comprehensive visual inspection.inspection.

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FUNCTIONAL TEST REQUIREMENTS:FUNCTIONAL TEST REQUIREMENTS:

1. Determined by the VID from the data entered.1. Determined by the VID from the data entered.A. See Functional Inspection Requirements.A. See Functional Inspection Requirements.


FUNCTIONAL TEST FUNCTIONAL TEST REQUIREMENTSREQUIREMENTS

ASM Test:ASM Test:• EGR Test not requiredEGR Test not required• Ignition timing, MIL Ignition timing, MIL and fuel cap integrity and fuel cap integrity

tests requiredtests requiredTSI Test:TSI Test:• All functional tests All functional tests requiredrequired


VISUAL INSPECTION AND FUNCTIONAL TEST VISUAL INSPECTION AND FUNCTIONAL TEST REQUIREMENTS:REQUIREMENTS:

1. Determined by the VID from the data entered.1. Determined by the VID from the data entered.A. See Visual Inspection Requirements.A. See Visual Inspection Requirements.B. See Functional Inspection Requirements.B. See Functional Inspection Requirements.C. Perform gas cap tests.C. Perform gas cap tests.

BAR 97 CUSTOMER BAR 97 CUSTOMER AWARENESSAWARENESS


ADVISING THE CUSTOMER ABOUT ASM LOADED ADVISING THE CUSTOMER ABOUT ASM LOADED MODE TESTING vs BAR 90 TESTING: MODE TESTING vs BAR 90 TESTING:

(see attached documents regarding smog program)(see attached documents regarding smog program)

1. Vehicle is tested on a 1. Vehicle is tested on a DYNAMOMETERDYNAMOMETER to more to more thoroughly identify harmful vehicle pollutants:thoroughly identify harmful vehicle pollutants:A. A. Simulates actual vehicle driving conditions Simulates actual vehicle driving conditions

(load)(load)B.B. Uses a 5 gas analyzer to accurately measure Uses a 5 gas analyzer to accurately measure

NOx as well as CO, HC, CONOx as well as CO, HC, CO22 and O and O22 . .

C.C. BAR 90 tests do not measure NOx.BAR 90 tests do not measure NOx.



2. ASM tests are required in Enhanced areas of state.2. ASM tests are required in Enhanced areas of state.

3. BAR 97 Smog Check program emphasizes vehicle 3. BAR 97 Smog Check program emphasizes vehicle MAINTENANCE & REPAIRMAINTENANCE & REPAIR..

4. Program is designed to identify and repair 4. Program is designed to identify and repair California’s worst polluting vehicles.California’s worst polluting vehicles.

5. Program requires vehicle owners to make emission 5. Program requires vehicle owners to make emission related repairs.related repairs.

6. Program incorporates low income repair programs 6. Program incorporates low income repair programs known as Consumer Assistance Program (CAP).known as Consumer Assistance Program (CAP).



7. Encourages regular vehicle maintenance.7. Encourages regular vehicle maintenance.

8. Interpreting the VIR for the vehicle owner (see 8. Interpreting the VIR for the vehicle owner (see handout of sample VIR’s)handout of sample VIR’s)A.A. The technician should The technician should INTERPRETINTERPRET the the information provided on the VIR in a way that the information provided on the VIR in a way that the customer can understand it:customer can understand it:

1. Explain what the system does.1. Explain what the system does.2. Why it failed 2. Why it failed 3. How the failure affects emissions and the3. How the failure affects emissions and the

ENVIRONMENTENVIRONMENT..

BASIC DIAGNOSTIC BASIC DIAGNOSTIC PROCEDURES PROCEDURES

BASIC DIAGNOSTIC BASIC DIAGNOSTIC PROCEDURES PROCEDURES

1. Analysis of exhaust emissions noted on VIR, and 1. Analysis of exhaust emissions noted on VIR, and basicbasic diagnostic approach. diagnostic approach.

2. Short overview of diagnostic flow chart application2. Short overview of diagnostic flow chart application(see flow chart handouts).(see flow chart handouts).

NOTE: Diagnostic flow charts and procedures will beNOTE: Diagnostic flow charts and procedures will becovered thoroughly in the update course.covered thoroughly in the update course.““Advanced Emissions Diagnostic Training”Advanced Emissions Diagnostic Training”

BAR 97 TRANSITION EXAM BAR 97 TRANSITION EXAM BAR 97 TRANSITION EXAM BAR 97 TRANSITION EXAM

Final ExaminationFinal Examination

1. Student must correctly answer 17 or more 1. Student must correctly answer 17 or more examination questions (out of 25) to pass the course.examination questions (out of 25) to pass the course.Students must retake class if they fail.Students must retake class if they fail.

2. Instructor may score examination in class. 2. Instructor may score examination in class.

BAR 97 LAB ASSIGNMENT BAR 97 LAB ASSIGNMENT BAR 97 LAB ASSIGNMENT BAR 97 LAB ASSIGNMENT

1. Student will perform (to teacher’s satisfaction) one 1. Student will perform (to teacher’s satisfaction) one ASM emission test (loaded mode test only) on a ASM emission test (loaded mode test only) on a vehicle already placed on a BAR 97 EIS.vehicle already placed on a BAR 97 EIS.

Documents

BAR 97 Transition Class