Matco Tools CodeAdvisor MD60b Manual page 26

Using the Scan Tool
CODE RETRIEVAL PROCEDURE
6. The Scan Tool automatically starts a check of the vehicle's
computer to determine which type of communication protocol it is
using. When the Scan Tool identifies the computer's communication
protocol, a communication link is established.
A PROTOCOL is a set of rules and procedures for regulating data
transmission between computers, and between testing equipment
and computers. As of this writing, five different types of protocols
(ISO 9141, Keyword 2000, J1850 PWM, J1850 VPW and CAN)
are in use by vehicle manufacturers.
If the Scan Tool fails to link to the vehicle's computer, a

"Communication Error" message shows.
- Ensure your vehicle is OBD2 compliant.
- Verify the connection at the DLC, and verify the ignition is ON.
- Turn the ignition OFF, wait 5 seconds, then back ON to reset
the computer.
- Press DTC/FF to continue.
If the Scan Tool cannot link to the vehicle's computer after three

attempts, the message "Contact Technical Support" displays.
- Turn the ignition off, and disconnect the Scan Tool.
- Contact Technical Support for assistance.
7. If the Scan Tool cannot determine the fuel type for the vehicle, the
Fuel Type screen displays. Select the appropriate fuel type, Gas or
Diesel, then press MENU/ENTER
8. If the Scan Tool can decode the Vehicle Identification Number (VIN)
for the vehicle under test the Scan Tool retrieves and displays any
Diagnostic Trouble Codes, Monitor Status and Freeze Frame Data
retrieved from the vehicle's computer memory. Proceed to step 10.
If the Scan Tool cannot decode the Vehicle Identification

Number (VIN) for the vehicle under test and all monitors
supported by the vehicle have run and completed their
diagnostic testing, the Scan Tool retrieves and displays any
Diagnostic Trouble Codes, Monitor Status and Freeze Frame
Data retrieved from the vehicle's computer memory. Proceed to
step 10.
If the Scan Tool cannot decode the Vehicle Identification

Number (VIN) for the vehicle under test and one or more of the
monitors supported by the vehicle have not yet run and
completed their diagnostic testing, the Select Vehicle screen
displays. Proceed to step 9.
9. The Select Vehicle screen shows the
three most recently tested vehicles.
To select a previously tested vehicle,

highlight the desired vehicle, then
press MENU/ENTER
to step 10.
24
.
. Proceed