Ford OBD1 Systems
CODE RETRIEVAL PROCEDURES - KOER TEST
96 3160g
5.
When prompted, turn off all vehicle accessories, turn ignition key
OFF and wait for the on screen prompt. If you wish to exit the KOER
test at this time, press the
SYSTEM MENU
button.
6.
When instructed by the message on the
Scan Tool's display, start the engine and
press the
ENTER
button to continue.
A "One moment please KOER test is in
progress..." message shows temporarily
on the Scan Tool's LCD display.
7.
The Scan Tool will retrieve the Cylinder
Identification (ID) Code. The Cylinder ID
Code identifies the number of cylinders
for the vehicle under test.
If the Scan Tool cannot retrieve the
Cylinder ID Code, an advisory
message displays. Press the
SYSTEM MENU
button to exit
and repeat the Key On Engine Off
(KOEO) test (page 89) until DTC 11
or 111 displays.
8.
Perform the following procedures when
prompted by the message on the Scan
Tool's display.
Turn the steering wheel 1/2 turn to
right, hold for four seconds and
release.
Press the brake pedal to the floor
and then release it.
Cycle the Overdrive Switch (if
equipped).
Quickly press the accelerator pedal to the floor and then release it.
9.
After the above procedures are performed
a "One moment please KOER test is in
progress..." message shows temporarily
on the Scan Tool's LCD display, followed
by a "Retrieving codes" message.
Most Ford EEC-IV vehicle com-
puters up to 1991 use a two-digit
code system. From 1991 to 1995
most use a three-digit code system.
If the Scan Tool fails to link to the
vehicle’s computer, a “Vehicle is not
responding” message shows on the
Scan Tool’s LCD display. Do the
following: