Instructions are available for viewing. The default is YES. If NO is selected, the test will begin to initialize.

Ford Historic Self-Test Routines

 

<YES>

NO~

If YES is selected, the following instructions will appear.

 

Gently tap and shake the sensor.

 

 

Wiggle the sensor connectors.

 

 

Twist and shake the wiring between the s nsor and

he PCM.

 

Press

to continue. The next instruction states: Beeper sounds a d mes-

 

sage displayed while fault exists. Press

to Test and the test will begin

 

to initialize.

 

 

ViewInstructions

 

 

After the 10-second initialization period,

 

 

the tool is ready for the Wiggle Test.

 

 

Locate the suspect sensor or circuit

 

 

according to the above instructions.

 

 

If a fault is detected, the tool will beep

 

 

and displays a FAULT PRESENT mes-

 

 

sage. A DTC(s) will be stored in the PCM

 

 

and in the tool. When done, press

 

For

 

 

WiggleTest?

 

 

to return to the Ford Function List.

 

 

 

 

 

 

 

 

 

6

Perform the “ReadKOEOCodes” on page 6-1 to retrieve he DTC(s) set during

 

wiggle test.

 

 

 

 

 

 

 

 

 

 

After making all repairs, perform “EraseCodes” on page 6-6 o clear the mem-

 

ory.

 

 

 

 

 

 

 

 

 

 

Output Switch Test (EEC-IV Vehicles)

 

 

 

 

 

 

 

The OutputENTERSw (Switch)Test, also known as the O

tput

Ch ck, is used

 

to check the operation of the computer-ENTERcontrolled r

 

lays

nd solenoids on

 

 

EEC-IV vehicles. The user can troubleshoot c rcuits

 

 

sing

voltm ter to mea-

 

sure voltage at the relays and solenoids in both energ zed and non-energized

 

conditions. All measurements should be recorded for

ef

rence.

 

 

Fuel injectors are NOT energized during this test.

 

 

 

 

 

 

 

 

 

 

CircuiOK

 

 

On vehicles equipped with Integrated Vehicle Spe

 

d Con rol (IVSC), fail-

 

 

ure to disconnect the vacuum supply hose from the

 

pe

d Control Servo

 

 

energizes the Speed Control Solenoids.

Wiggle

 

Test Runing

 

Select Output Sw Test from the Ford

 

 

Function List and press

.

 

 

Observe the screens and follow the

 

 

 

 

Status:

 

 

***Fault

Present***

 

instructions.

 

FUNC

 

1) Set Parking Brake.

 

 

 

 

 

 

 

~

2) Put Transmission In Park Or Neutral.

ENTER

3) Turn A/C Off.

4) Start Engine — Let Idle Until Hot.

`6OutputSwTestFordFuncionList75Wiggletest)DCLData ~[]

6 – 8• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

Page 68
Image 68
Actron 9640A manual Output Switch Test EEC-IV Vehicles, Select Output Sw Test from the Ford Function List and press