Actron Professional Enhanced Scan Tool 9640A User Manual page 83

Ford Enhanced (OBD II) Diagnostics
After pressing
KOER self-tests begins.
The tool prompts you to:
Work Steering Wheel
Pump Brake Pedal
Cycle OD (overdrive) Cancel Switch (on some Automatic Transmissions.
When the test is done, the DTCs found
display on the screen. Use
arrow keys to view Codes. If no codes
are read, the System Pass screen is
displayed.
Press the
F U N C
the Quick Tests screen.
KOEO Output State
The Output State tests the output devices (actuators, relays, etc.) controlled by
the PCM by powering them on and off. The voltage and outputs on suspect
devices can be measured and recorded using a voltmeter. Compare voltages
measured with the power turned on and off to verify operation.
Fuel injectors are NOT energized by this test.
Select KOEO Output State from the
Quick Tests screen and press
Follow the scan tool's instructions.
1) Set Parking Brake.
2) Put Transmission In Park Or Neu-
tral.
3) Turn A/C Off.
4) Start Engine — Let Idle Until Hot.
5) Turn Ign Key Off.
6) Wait 10 Seconds. Turn Key On-Engine Off. Do Not Start Engine.
7) For a 7.3L Diesel, depress/hold throttle during test.
The Output State Options are dis-
played. The fourth option is "High
Speed Fan." Select an option and press
.
E N T E R
Listen for devices turn on and off.
After a brief Command Sent screen, an
Output State screen is displayed for the
duration of the test. Select CHANGE to
toggle the state to On/Off or QUIT to
return to the Quick Tests screen.
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to continue, the
E N T E R
U P / D O W N
key to return to the Ford Function List or
E N T E R
.
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to return to
B A C K
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