Ford Historic (OBD I) Diagnostics
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6
Reading IVSC KOER Codes
From the Diagnostic Codes Menu:
1. Select IVSC Speed Ctrl.
•Use the
UP
or
DOWN
arrow
keys until IVSC Speed Ctrl is
highlighted.
•Press
ENTER.
2. Select Read KOER Codes.
•Use the
UP
or
DOWN
arrow
keys until Read KOER Codes
is highlighted.
•Press
ENTER.
3. Perform the following:
1) Set parking brake.
2) Transmission in park (P) or neutral (N).
3) Turn A/C off.
4) Start engine and let idle until hot.
5) Turn ignition key off.
6) Wait 10 seconds. Start engine and let idle.
✓During testing, the Scan Tool prompts 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.
Read KOEO Codes
Read KOER Codes
Erase Codes
IVSC Spe ed Ctrl
Review Data
Print Data
Code Lookup
Diagnostic Codes Menu
Read KOEO Codes
Read KOER Codes
Select IVSC Test
Read KOER Codes
!
WARNING
!
CAUTION