Reading and Clearing Diagnostic Trouble Codes

OBTAINING DIAGNOSTIC TROUBLE CODES

BULB CHECK


Key on: Bulb illuminated until vehicle starts, as long as all once per trip (readiness) monitors completed. If monitors have not been completed, then: Key on: bulb check for approximately 14 seconds, lamp then flashes (once per second) for approximately 11 seconds, then MIL remains illuminated until vehicle is started.

OBTAINING DTC'S USING SCAN TOOL


1. Connect the scan tool to the data link (diagnostic) connector. This connector is located on the lower left hand side of the steering column.
2. Turn the ignition switch on and access the Read Fault screen.
3. Record all the DTC's and freeze frame information shown on the scan tool.
4. To erase DTC's, use the Erase Trouble Code data screen on the scan tool.Do not erase any DTC's until problems have been investigated and repairs have been performed.