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Ford Enhanced (OBD II) Diagnostics
6
After pressing to continue, the
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 key to return to the Ford Function List or to return to
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 instruction s.
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
.
✓Listen for devices turn on and off.
After a brief Command Sent screen, an
Output State screen is displaye d for the
duration of the test. Select CHANGE to
toggle the state to On/Off or QUIT to
return to the Quick Tests screen.