Ford Enhanced (OBD II) Diagnostics

Quick Tests

The Quick Tests checks the integrity and performance of the EEC-V and PTEC system. It is performed first in most diagnostic procedures and after servicing to verify the repair.

Three Quick Tests are performed on all Ford vehicles.

KOEO On Demand: Key On-Engine Off (KOEO) Self-Test.

KOER On Demand: Key On-Engine Running (KOER) Self-Test.

KOEO Output State.

Additional Quick Tests for OBD II 7.3L Powerstroke Diesel vehicles.

KOEO Injector Buzz Test

KOER Glow Plug Test

KOER Cylinder Contribution Test

KOER Switch Test.

Select Quick Test from the Ford Func-

 

 

 

 

 

 

 

 

 

 

 

tion List and press

.

 

 

 

 

 

 

 

 

 

 

 

2)

Put Transmission In Park Or Neutral. FordFunction

List

 

 

 

3)

Turn A/C Off.

ENTER

 

6

 

Data

 

 

]

 

5)

Turn Ign Key Off.

 

8)QuickTest

 

 

 

 

 

The list of available tests are displayed.

 

 

 

 

 

 

 

 

 

 

 

If testing a 7.3L powerstroke diesel,

 

 

 

utput

 

 

 

 

 

more tests become available.

 

 

Oen

 

DemandState~

 

Time Remaining will be displayed.

 

KOEOR

 

6

KOEO On Demand

 

 

 

 

 

 

 

 

 

 

 

The KOEO On Demand is a functional test

f the comp

er modules nd sys-

 

tem with the Key ON – Engine OFF (KOEO). It tests the

in s, outputs,

nd

 

sensor ranges. Any faults or DTCs will be ret eved by the

 

tool.

 

 

 

It is VERY IMPORTANT that each step be performed wh n promp ed by

 

 

 

the scan tool. Failure to follow directions may set DTC(s).

 

 

 

 

 

Select KOEO On Demand from the Quick Tests s r

 

 

nd pr

ss

ENTER

.

 

Follow the instructions displayed on the tool.

 

 

 

 

 

 

 

1)

Set Parking Brake.

 

7View

 

 

 

 

 

 

 

4)

Start Engine — Let Idle Until Hot.

 

 

FrzeData[

 

6)

Wait 10 Seconds. Turn Key On-Engine Off. Do Not S art Engi .

 

 

 

7)

For a 7.3L Diesel, depress/hold throttle during test.

 

 

 

 

 

 

 

 

For Gasoline engines, Do Not touch theQuickthrottle duringTesse .

 

 

 

 

 

Press

to begin the test. The

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imeLeft0:29

 

 

 

 

 

 

ENTER

 

 

 

 

 

 

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Actron 9640A Koeo On Demand, Three Quick Tests are performed on all Ford vehicles, Time Remaining will be displayed