Engine & Emission
Control Training
Level I
Lab Workbook
Mike Sheldon
AUTO 85.5
Lab Worksheet
1
O2 Sensor Test
Page 6-4 thru 6-6
NAME: ______________________________________
DATE: ___/___/___
OBJECTIVE:
Upon completion of this activity, you will be able to test and interpret the readings from a
Zirconium O2 sensor.
TOOLS AND EQUIPMENT:
1. Lab Scope
2. Fender covers
3. Service manual
PROTECTIVE CLOTHING:
1. Eye protection
TASK
COMPLETED
PROCEDURE
1. Prepare the vehicle to be used. Hook up exhaust hose,
chock wheels, and set the parking brake
2. Using service manual, identify the O2 sensor return wire
3. Hook up DSO 02 sensor
4. Start up engine observe reading
5. Perform steps 1 thru 6 on page 6-4 of the Advanced Emissions
Diagnostic Training Manual and record readings below.
6. Does computer have fuel system in control?
Yes
No
7. What did you learn __________________________________________
_______________________________________________________
Vehicle
Make _________ Year ____ Engine ______
Rich Voltage____________ □ Pass □ Fail
Lean Voltage____________ □ Pass □ Fail
Rise Time_______________ □ Pass □ Fail
2
AUTO 85.5
Lab Worksheet
2
Catalytic Converter Snap Throttle/Peak O2 test
Page 6-7 thru 6-8
NAME: ______________________________________
DATE: ___/___/___
OBJECTIVE:
Upon completion of this activity, you will be able to test and interpret the O2 readings from the
exhaust system.
TOOLS AND EQUIPMENT:
1. Exhaust gas analyzer
2. Fender covers
3. Service manual
PROTECTIVE CLOTHING:
1. Eye protection
TASK
COMPLETED
PROCEDURE
1. Prepare the vehicle to be used. Hook up exhaust hose,
chock wheels, and set the parking brake
2. Perform steps 1 thru 6 on page 6-7 of Advanced Emissions Diagnostic
Training Manual.
3. What did you learn __________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
Vehicle
Make _________ Year ____ Engine ______
Problems Encountered:
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
3
AUTO 85.5
Lab Worksheet
3
Catalytic Converter Cranking test (CO2/HC)
Page 6-9 thru 6-10
NAME: ______________________________________
DATE: ___/___/___
OBJECTIVE:
Upon completion of this activity, you will be able to test and interpret the CO2/HC readings
from the exhaust system.
TOOLS AND EQUIPMENT:
1. Exhaust gas analyzer
2. Fender covers
3. Service manual
4. Jumper wires
PROTECTIVE CLOTHING:
1. Eye protection
TASK
COMPLETED
PROCEDURE
1. Prepare the vehicle to be used. Hook up exhaust hose,
chock wheels, and set the parking brake
2. Perform steps 1 thru 5 on page 6-9 of Advanced Emissions
Diagnostic Training Manual.
3. What did you learn __________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
Vehicle
Make _________ Year ____ Engine ______
Problems Encountered:
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
4
AUTO 85.5
Lab Worksheet
4
Catalytic Converter Temperature Test
NAME: ______________________________________
DATE: ___/___/___
OBJECTIVE:
Upon completion of this activity, you will be able to test and interpret the results of a Catalytic
Converter Temperature test.
TOOLS AND EQUIPMENT:
1. Pyrometer
2. Fender covers
3. Service manual
4. Hoist
PROTECTIVE CLOTHING:
1. Eye protection
TASK
COMPLETED
PROCEDURE
1. Prepare the vehicle to be used. Bring engine to operating temp.
2. Place vehicle on hoist if necessary, to access Catalytic Converter.
3. Take exhaust temp. reading on leading edge of Converter.
4. Take exhaust temp. reading on trailing edge of Converter.
5. Record both readings and compare.
3. What did you learn __________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
Vehicle
Make _________ Year ____ Engine ______
5
AUTO 85.5
Lab Worksheet
5
Smog Inspection
NAME: ______________________________________
DATE: ___/___/___
OBJECTIVE:
Upon completion of this activity, you will have demonstrated the ability to correctly perform a
smog inspection. Follow all BAR guidelines that you have learned in this smog class.
TOOLS AND EQUIPMENT:
1. Service manual
2. Vehicles
3. Fender covers
4. VIR
5. EIS
PROTECTIVE CLOTHING:
1. Eye protection
TASK
COMPLETED
PROCEDURE
1. Look up required emission equipment in an application guide
2. Note condition of emission equipment
3. Enter condition of equipment on VIR (missing, modified, or
disconnected)
4. Perform enhanced smog inspection test, follow all EIS instructions
5. Perform functional checks.
6. Staple VIR printout to this sheet.
Vehicle
Make _________ Year ____ Engine ______
What did you learn?
______________________________________________________________________________
______________________________________________________________________________
6
AUTO 85.5
Lab Worksheet
6
Mitchell on Demand
NAME: ______________________________________
DATE: ___/___/___
OBJECTIVE:
Upon completion of this activity, you will have demonstrated the ability to correctly use Mitchell
on Demand to look up a PCM pin chart and correctly identify the O2 sensor signal wire.
TOOLS AND EQUIPMENT:
1. Computer with internet access and a subscription to Mitchell on Demand
2. Printer
TASK
COMPLETED
PROCEDURE
1. Log on to Mitchell on Demand
2. Look up the PCM PIN Chart for a 1996 Ford Windstar, minivan,
equipped with a 3.0L V-6 engine and an automatic transmission.
3. From the PCM PIN Chart identify the B1S1 O2 sensor signal wire
circuit.
4. Print out the PIN Chart showing the entire B1S1 signal wire circuit.
5. Highlite the entire B1S1 signal wire circuit.
6. Staple printout to this sheet.
Vehicle
Make _________ Year ____ Engine ______
What did you learn?
______________________________________________________________________________
__________________________
7
AUTO 85.5
Lab Worksheet
7
Mode 6 Vehicle #1
NAME: ______________________________________
DATE: ___/___/___
OBJECTIVE:
Upon completion of this activity, you will have demonstrated the ability to correctly access and
identify Mode 6 data.
TOOLS AND EQUIPMENT:
1. OBDII equipped vehicle
2. Generic scanner capable of reading Mode 6 data
PROTECTIVE CLOTHING:
1. Eye protection
TASK
COMPLETED
PROCEDURE
1. Prepare an OBDII equipped vehicle for scanning.
2. Locate OBDII data link and connect Generic OBDII scanner.
3. Enter vehicle information into scanner.
4. Enter mode 6 and record the following data
TID
CAN = MID
CID
CAN= TID
Test result
Test Value
Test Limit
5. Remove scanner from vehicle
Vehicle #1
Make _________ Year ____ Engine ______
What did you learn?
______________________________________________________________________________
__________________________
8
AUTO 85.5
Lab Worksheet
8
Mode 6 Vehicle #2
NAME: ______________________________________
DATE: ___/___/___
OBJECTIVE:
Upon completion of this activity, you will have demonstrated the ability to correctly access and
identify Mode 6 data.
TOOLS AND EQUIPMENT:
1. OBDII equipped vehicle
2. Generic scanner capable of reading Mode 6 data
PROTECTIVE CLOTHING:
1. Eye protection
TASK
COMPLETED
PROCEDURE
1. Prepare an OBDII equipped vehicle for scanning.
2. Locate OBDII data link and connect Generic OBDII scanner.
3. Enter vehicle information into scanner.
4. Enter mode 6 and record the following data
TID
CAN = MID
CID
CAN= TID
Test result
Test Value
Test Limit
5. Remove scanner from vehicle
Vehicle #2
Make _________ Year ____ Engine ______
What did you learn?
______________________________________________________________________________
__________________________
9
AUTO 85.5
Lab Worksheet
9
Baselining
NAME: ______________________________________
DATE: ___/___/___
OBJECTIVE:
Upon completion of this activity, you will have demonstrated the ability to correctly connect a 5
gas analyzer as well as read and record the exhaust gas reading.
TOOLS AND EQUIPMENT:
1.
2.
3.
4.
Service manual
Vehicle
Fender covers
5 gas analyzer
PROTECTIVE CLOTHING:
1. Eye protection
TASK
COMPLETED
PROCEDURE
1. Bring vehicle up to operating tempurature.
2. Enter “manual gas” mode on 5 gas analyzer.
3. Place exhaust probe in tailpipe of vehicle.
4. Record the exhaust gas readings in the table below at both idle and at
3000RPM.
HC
CO
NOX
CO2
O2
Idle
3000RPM
5. Remove exhaust probe from tailpipe.
Vehicle
Make _________ Year ____ Engine ______
What did you learn?
______________________________________________________________________________
__________________________
10
AUTO 85.5
Lab Worksheet
10
BAR website
NAME: ______________________________________
DATE: ___/___/___
OBJECTIVE:
Upon completion of this activity, you will have demonstrated the ability to correctly access and
find information on the Bureau of Automotive Repair website www.smogcheck.ca.gov.
TOOLS AND EQUIPMENT:
1. Computer with internet access
2. Printer
TASK
COMPLETED
PROCEDURE
1. Log on to www.smogcheck.ca.gov
2. Look up ET BAR Blast # 29604. This BAR Blast informed Smog
technicians and stations of the NEW OBDII MONITOR LIMIT.
4. Print out ET Blast #29604 and staple to this sheet.
What did you learn?
______________________________________________________________________________
__________________________
11