Ford Enhanced (OBD II) Diagnostics
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The following system components are tested:
❒Electric radiator cooling fan - Avoid cooling fan!
❒Fuel pump
❒Check engine light
❒Idle speed control solenoid
If no Codes are read, the System Pass
screen displays.
If problems exist, the screen indicates
that codes have been read. Use
arrow keys to view them.
Press the key to return to the
Ford Function List.
KOER On Demand
The
KOER On Demand
is a functional test with the Key ON – Engine RUN-
NING (KOER) that checks the computer module’s inputs, outputs, sensor
ranges, and operation. Any faults or DTCs will be retrieved by the scan tool.
Select
KOER On Demand
from the
Quick Tests screen and press .
Exhaust gases are harmful or FAT AL. Always operate
vehicle in a well-ventilated area.
Keep Hands and tools away from fan and engine during
test.
Perform each step when prompted by the scan tool. Failure to fol-
low directions may set DTC(s) in the PCM.
Follow the instructions displayed on the
tool. If the steps are not followed cor-
rectly, a message displays asking you
to RETRY.
1) Set Parking Brake.
2) 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.
7) If Vehicle Has A Manual Trans., Release Clutch.
IMPORTANT