On-Board Diagnostic (OBD) with Scan Tool

WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. 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 INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES 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
For further information on other diagnostic testing features using the scan tool, refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article. Other diagnostic methods include the following.
- PID Access Mode
- Freeze Frame Data Access Mode