Koer on demand, Important – Actron Professional Enhanced Scan Tool 9640A User Manual

Page 82

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Ford Enhanced (OBD II) Diagnostics

6 – 22 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

6

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

UP/DOWN

arrow keys to view them.

Press the

FUNC

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

ENTER

.

Exhaust gases are harmful or FATAL. 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.

System Pass:

No DTCs Found

~

DTCs Found: 2

Use [ To View DTCs

Write Down Codes

For Reference. ~

Quick Tests

KOEO On Demand

` KOER On Demand

[

KOEO Output State ~

IMPORTANT

Unable to Run Test |

Verify Key ON,

Engine RUNNING

<RETRY> QUIT

~

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