Clearing Trouble Codes

On-Board Diagnostic With Diagnostic Tool

NOTE: For detailed instruction and other diagnostic methods using the scan tool or equivalent, refer to the scan tool testing information.

These Quick Tests should be used to diagnose the Powertrain Control Module (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
^ Quick Test 4.0 - Continuous Memory Codes
^ Quick Test 5.0 - Key On, Engine Running (KOER)
^ Special Test Modes - Wiggle Test Mode - Output Test Mode
^ PCM Reset Mode
^ Clearing DTCs P1000
^ OBD II Drive Cycle
^ Other Scan Tool Features

For additional information on other diagnostic testing features using the scan tool or generic scan tool, refer to the Powertrain Control/Emissions Diagnosis (PC/ED) information. Other diagnostic methods include the following.
^ Parameter Identification (PID) Access Mode
^ Freeze Frame Data Access Mode
^ Oxygen Sensor Monitor Mode