Reading and Clearing Diagnostic Trouble Codes
INSTRUMENT CLUSTER SELF-DIAGNOSTIC MODEInstrument Cluster Self-Diagnostic Mode (Part 1):
Instrument Cluster Self-Diagnostic Mode (Part 2):
To enter the instrument cluster self-diagnostic mode with the engine off, press and hold the odometer RESET button (base cluster) or the message center RESET button (message center cluster). Turn the ignition switch to the RUN position and hold until the display indicates TEST, usually within 3 to 5 seconds. Press the odometer reset button (base cluster), or RESET button (message center cluster ) once to advance through each stage of the self-test.
To exit the instrument cluster self-test mode, turn the ignition to the OFF position.