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6. Scanning Data will be displayed while the KOEO codes and
memory codes are retrieved from the vehicle computer. A normal
scan can take up to three minutes.
7. After the scanner has read all the data from the vehicle, the
Scan Successful message will be
displayed on the screen, followed by the
opening screen.
SCAN THE KOER DATA - FORD
Before You Start
• Before scanning a vehicle, the EZ-Read scanner must be
correctly configured for your vehicle. Refer to “Setup /
Operating Instructions” on page 7 if you need to configure
the scanner.
• Make sure to read these instructions completely before the
KOER test is started. Several user interactions may be
required during the scan. If these steps are not completed
correctly, the engine computer will store a Trouble Code as
if the system was not functioning properly. If one of these
trouble codes are stored, repeat the scan with the neces-
sary steps to eliminate the problem. For example, the error
RPM too low during KOER test can be corrected
by pressing the gas pedal to the floor during the Dynamic
Response section of the scan.
Key ON, Engine Running (KOER) Scan
The KOER scan causes the vehicle EEC-IV computer to test the
different sensors and computer controlled functions while the
vehicle engine is running.
SCAN THE KOEO DATA - FORD (CONT.)
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