Instrument Cluster
Self Diagnostic Mode, Part 1:
Self Diagnostic Mode, Part 2:
1. To enter HEC self diagnostic mode with the engine off, simultaneously depress the message center UNITS and RESET buttons. Turn the ignition switch ON.
2. To enter HEC self diagnostic mode with the engine running, simultaneously depress the message center UNITS and RESET buttons. Turn the ignition switch from ON to RUN, to start the engine.
3. Release the RESET button first, then the UNITS button.
4. The HEC will enter the gauge sweep test.
5. To navigate to the following tests while in self diagnostic mode, depress the SELECT button. Depress the RESET button to navigate to the previous test.