Ford Historic Self-Test Routines
6 – 14• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
6
Use the
UP/DOWN
arrow keys to scroll
through the KOEO Code listing. Be sure
to write down any codes for reference.
Reading IVSC KOER Codes
Select Read KOER Codes from the sub-menu and press
ENTER
. To retrieve
codes, follow the instructions on the tool screen as follows:
1) Set Parking Brake.
2) Put 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.
During testing, the tool will prompt the user to press the vehicle’s Speed Control
ON Button.
Exhaust gases are harmful or lethal. Always operate
vehicle in a well-ventilated area.
The Read KOER test is done with the engine running. Do
not over-rev engine. Observe all safety precautions.
✓During testing, it is VERY IMPORTANT that each required step be
performed when prompted by the scan tool. Failure to perform these steps
may set DTCs in the PCM. Be sure to observe the tool display for
indications to perform these steps.
✓Do not touch the throttle pedal during testing. The user will be reminded
of this by the scan tool.
Once the codes have been read by the scan tool, it will instruct the user to turn
the ignition key off:
Use the
UP/DOWN
arrow keys to
scroll through the KOER Codes. Be
sure to write down any codes for
reference.
When done, press
FUNC
to return to the
Ford Function List.
IVSC KOEO Code 568
SCVAC Failure: Speed
Control Vacuum
Circuit Failure
~
!
WARNING
!
CAUTION
IVSC KOER Code 37
Low RPM Decrease
Insufficient RPM
[
Decrease.
~