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Ford Historic Self-Test Routines
6
Never Lay Tools On Vehicle Battery. Tools May Create
Shorts And Cause Harm To User And Damage To Tools,
Battery And Electrical System.
Follow all instructions on the display.
1) Turn Ign Key Off.
2) Remove Negative (–) Battery Cable.
3) Hold Down Break Pedal for 10 Seconds.
4) Reattach Negative (–) Battery Cable.
All continuous memory codes should be erased. Press
to return to the
Ford Function List.
Wiggle Test (EEC-IV Vehicles)
The
Wiggle Test,
often referred to as the Continuous Monitor Test, is used to
locate intermittent electrical faults on EEC-IV vehicles. When the test is acti-
vated, the tool will beep and display a message when a fault is present. If the
problem is fixed or goes away, the tone and message goes away. Refer to the
applicable vehicle service manual for circuits that can be tested.
✓ If the Audio Alert was turned off in the tool Setup menu, it will be auto-
matically activated for the
Wiggle Test
. Once the
Wiggle Test
is com-
plete, the audio alert returns to its previous setting.
Select
Wiggle Test
from the Ford Func-
tion List and press
.
Either a KOEO or KOER Wiggle Test can
be run. If the vehicle problem occurs
while driving, the KOER Wiggle Test is
recommended. After selecting, press
.
Follow the tool’s instructions.
1) Set Parking Brake.
2) Put Transmission In Park Or Neutral.
3) Turn A/C Off.
4) Turn Ign Key Off. Wait 10 Seconds.
5) KOEO: Turn Key On. Engine Off. Do Not Start Engine
.
6) KOER: Turn Key On. Engine On and let Idle.
!
CAUTION