On-Board Diagnostic (OBD) with Scan Tool

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For detailed instruction and other diagnostic methods using the scan tool, refer to the tester manual and the appropriate Engine Performance article.

These Self Tests should be used to diagnose the PCM and should be carried out in order.

Self Test 1.0 - Visual Inspection
Self Test 2.0 - Set Up
Self Test 3.0 - Key ON Engine OFF (KOEO)
Self Test 4.0 - Continuous Memory
Self Test 5.0 - Key ON Engine Running (KOER)
Special Test Mode
- Wiggle Test
- Output Test Mode
PCM Reset Mode
Clearing DTCs
OBD Drive Cycle
Other Scan Tool Features
For further information on other diagnostic testing features using the scan tool, refer to the appropriate Engine Performance article. Other diagnostic methods include the following.
- PID Access Mode
- Freeze Frame Data Access Mode