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Ford Enhanced (OBD II) Diagnostics
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6
Select
KOER Switch
from the Quick
Tests screen. Press
to begin
the test.
Exhaust gases are harmful or FATAL. Always operate
vehicle in a well-ventilated area.
The KOER switch test is done with the engine running.
Do not over-rev engine. Observe all safety precautions.
Follow all user interaction required to run the KOER Switch Self-Test. The tool
will display a prompt when action is required.
Perform the following as displayed on the tool screen:
1) Set Parking Brake.
2) Transmission In Park Or Neutral.
3) Turn A/C Off.
4) Start Engine — Let Idle Until Hot.
5) Turn Ign Key Off.
6) Wait 10 Seconds. Start Engine — Let Idle.
Press
to start the test.
Do the following as instructed by the
scan tool.
1) Release parking brake, set and
release again.
2) Press speed control ON, OFF,
SET, COAST, & RESUME buttons.
3) Press Transmission Control (Overdrive switch) or Clutch.
4) Depress and release brake pedal.
When the vehicle has finished the test, the DTCs found display on the screen.
If no codes are read, the System Pass screen is displayed.
Use
arrow keys to view
Codes.
Press the
key to return to the
Ford Function List or
to return
to the Quick Tests screen.
O2 Monitor Test
Refer to
“O2 Monitor Test
” on page 4-6 of
Global OBD II Diagnostics.
Non-Continuous Tests
Refer to
“Non-Continuous Tests
” on page 4-7 of
Global OBD II Diagnostics.
On-Board Systems
Refer to
“On-Board Systems
” on page 4-7 of
Global OBD II Diagnostics.