• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 6 – 9
Ford Historic Self-Test Routines
6
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
ENTER
.
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.
Instructions are available for viewing.
The default is YES. If NO is selected, the
test will begin to initialize.
If YES is selected, the following
instructions will appear.
❒Gently tap and shake the sensor.
❒Wiggle the sensor connectors.
❒Twist and shake the wiring between the sensor and the PCM.
Press
ENTER
to continue. The next instruction states: Beeper sounds and
message displayed while fault exists. Press
ENTER
to Test and the test will
begin to initialize.
After the 10-second initialization period,
the tool is ready for the Wiggle Test.
Locate the suspect sensor or circuit
according to the above instructions.
If a fault is detected, the tool will beep
and displays a FAULT PRESENT
message. A DTC(s) will be stored in the
PCM and in the tool. When done, press
FUNC
to return to the Ford Function
List.
Perform the “Read KOEO Codes” on page6-1 to retrieve the DTC(s) set during
wiggle test.
After making all repairs, perform “Erase Codes” on page6-7 to clear the
memory.
Select Wiggle Test
`1)KOEO Wiggle Test
2)KOER Wiggle Test
~
View Instructions
For Wiggle Test?
<YES> NO ~
Wiggle Test Running
Status:
*** Circuit OK ***
~
Wiggle Test Running
Status:
***Fault Present***
~