Ford Historic Self-Test Routines
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6
Fast or Slow Codes
Select Fast Codes or Slow Codes and
press
ENTER
.
Follow the instructions step-by-step.
Failure to perform these steps may set a
false DTC in the PCM — observe the
display.
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 Transmission, Release Clutch.
Press
ENTER
to activate the self-test.
✓The following actions do not apply to MECS vehicles.
❒For a 7.3L Diesel, depress the throttle until test is done.
❒If Applicable, set Octane Switch To Premium.
The tool will prompt the user to:
❒Work Steering Wheel
❒Pump Brake Pedal & Cycle OD (overdrive) Cancel Switch. (Cycle
Overdrive only if a pushbutton is available.)
✓Observe Screen for Prompt to Perform the next action.
❒Quickly Press And Release Throttle. One Time Only!
After performing these steps, wait for
the tool to retrieve DTCs. When the test
is done, turn Ign Key OFF and press
ENTER
.
Use the
DOWN
arrow key to begin
viewing codes.
Select Code Type
`1)Fast Codes
2)Slow Codes
3)Computed Timing
Test Completed
Turn Ign Key Off.
Press ENTER To Cont
Use
S
to view Codes.
Write Down Codes
For Reference.
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