Ford Historic (OBD I) Diagnostics

During testing, it is VERY IMPORTANT that each required step be performed when prompted by the Scan Tool. Failure to perform these steps may set DTCs in the PCM. Be sure to observe the Scan Tool display for indications to perform these steps.

Do not touch the throttle pedal during testing. The user is reminded of this by the Scan Tool.

Once the codes have been read by the Scan Tool, it instructs the user to turn the ignition key off:

4.View and write down DTCs. •Use the UP or DOWN arrow keys.

ENG indicates that DTC is from the engine or powertrain computer.

1 of 3

37 ENG

SCVAC Failure: Speed

Control Vacuum

Circuit Failure

IVSC KOER

5.Return to Diagnostic Codes Menu. •Press BACK.

6

On Demand Test Menu

IMPORTANT

All items marked with “-” are covered either in section 3 or 4. These items are not covered in this section.

On Demand Test Menu

Wiggle Test

Output Switch Test

Cyl Balance Test

STAR Test Mode

Review Data

Print Data

Tool Setup

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 6 – 19

Page 141
Image 141
Actron CP9190 manual 37 ENG, View and write down DTCs. Use the UP or Down arrow keys