User Manual

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• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Ford Historic Diagnostics
5
If a problem exists with one or more
cylinders, the tool displays a list of failed
cylinder(s). Press
(17(5 to continue.
Refer to the applicable vehicle service manual for cylinder numbering sequence.
Cylinder failure may be caused by faulty injectors, sparks plugs, or wiring.
Turn the ignition key Off and press
(17(5 to continue — the tool prompts the user
to retest (up to three times). If required, rerun the test to double check the results,
or to check for weaker or dead cylinders.
When done, press %$&. to return to the Ford Function List.
IVSC-SPEED CTRL (EEC-IV VEHICLES)
The IVSC-Speed Ctrl (Integrated Vehicle Speed Control) is Ford’s computerized
cruise control system on EEC-IV vehicles. It is controlled by the PCM and contains
a dedicated network of sensors, switches, and actuators. Both KOEO and KOER
Codes exist for this test. The tool provides the ability to diagnose problems by
reading DTCs.
Select IVSC-Speed Ctrl from the Ford
Function List and press
(17(5 .
The sub-menu Select IVSC Test is
displayed.
Reading IVSC KOEO Codes
Select Read KOEO Codes from the sub-menu and press (17(5 . Follow
instructions on scan tool screen. These instructions will prompt the user to:
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. Turn Key On-Engine Off. Do Not Start Engine
.
Avoid Cooling Fan! It May Turn On During Test.
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