HOSE 4646992 - Caterpillar

Self Test
The ECM controlled test of the Compact Instrument Cluster will begin after the hardware is tested. The test will proceed while the engine key start switch remains in the RUN position.The duration of the ECM controlled test is three seconds. During this time, the following functions will be performed:
The gauge needles are set to the minimum position. The needles move smoothly from the minimum value to the maximum value during the test.
The icons and the segments are illuminated. The illumination continues for the duration of the self test.
All LED indicators are illuminated for testing.
The alarm mode activates at the beginning of the self test mode. The alarm state remains on for one second.After completion of the self test, the Compact Instrument Cluster goes to normal mode operation. This could include subsequent machine tests.