TROUBLESHOOTING THE HMMWV - OD1616 - LESSON 2/TASK 1
The first of these is the confidence test.
The confidence test
provides an overall performance check of the VTM and includes
programmed isolation to assist in IDS maintenance.
test should be run immediately after power has been applied to the
observed and/or performed.
First, ensure that the VTM is correctly connected to the vehicle to
be tested and that sufficient operating power is available.
display should show .184.108.40.206, then change to four dashes (- - - -).
Next, set the TEST SELECT switches to 66 and press and release the
TEST button. The display should show 0066. When 0066 appears on the
display, set the TEST SELECT switches to 99 and again press and
release the TEST button. Observe the displayed readout. The display
should show 0099 and then go blank.
When performing this step,