Clearing Trouble Codes

On-Board Diagnostics with Diagnostic Tool
These quick tests should be used to diagnose the powertrain control module 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
- Quick Test 4.0 - Continuous Memory
- Quick Test 5.0 - Key ON, Engine RUN
- Special Test Mode
- Wiggle Test Mode
- Output Test Mode
- CM Reset Mode
- Clearing DTCs
- OBD II Drive Cycle
- Other Scan Tool Features
Other diagnostic methods include the following:
- Parameter Identification (PID) Access Mode
- Freeze Frame Data Access Mode
- Oxygen Sensor Monitor Mode