On-Board Diagnostics With Scan Tool
NOTE:
For detailed instruction and other diagnostic methods using the scan tool, refer to the scan tool tester manual and the Introduction - Gasoline Engines
article. These quick tests should be used to diagnose the PCM and should be carried out in order.
- Quick Test 1.0 - Visual Inspection
- Quick Test 2.0 - Set Up
- Quick Test 3.0 - Key On, Engine Off (KOEO)
- Quick Test 4.0 - Continuous Memory
- Quick Test 5.0 - Key On, Engine Running (KOER)
- Special Test Mode
- Wiggle Test
- Output Test Mode
- PCM Reset Mode
- Clearing DTCs
- OBD II Drive Cycle
- Other Scan Tool Features
For information on other diagnostic testing features using the scan tool, refer to the Introduction - Gasoline Engines article. Other diagnostic methods include the following:
- PID Access Mode
- Freeze Frame Data Access Mode
- Oxygen Sensor Monitor Mode