Equus 3145 - Digital Ford Code Reader (1981 - 1995) - Manual (Page 70)

Retrieving Codes
KOEO SELF TEST (MCU SYSTEMS)
67 Chapter 4
4. Press and release the ON/OFF
button to turn the Code Reader
"ON".
■ Three zeros should be visible
on the display at this time.
5. Press and release the TEST/HOLD Button to put the code
reader in TEST mode.
6. Turn on ignition. DO NOT START THE ENGINE.
■ The display will show a
"Triangle" Icon on the lower
right hand corner of the
screen to indicate that the
code reader is in test mode.
7. After about 4 to 30 seconds (it may take longer on some
vehicles) the computer will start sending the test results
to the Code Reader in the form of numerical codes.
■ A square icon on the right
hand side of the screen will
appear and flash each time
the Code Reader receives a
code, and then the code will
be displayed on the Code
Reader's screen.
■ A small "O" will be visible in the upper right hand
corner of the screen to indicate that the code being
received is a KOEO Self Test fault code.
8. After all the KOEO Self Test codes are received (wait until
the flashing square icon no longer appears on the screen
for 30 consecutive seconds to ensure that all the codes
have been retrieved), turn the Code Reader off.
■ The codes retrieved are now stored in the Code
Reader's memory.
9. Turn the ignition off and disconnect the Code Reader from
the vehicle's test connector. The codes retrieved are now
stored in the Code Reader's memory.
10. To view codes stored in the Code Reader's memory, press
the ON/OFF button to turn the Code Reader on, then
press and release the MEMORY button; the first stored
code will display. Continue pressing and releasing the
MEMORY button to scroll through the stored codes until
all the codes have been displayed.
O
4