TM-9-2320-387-24-1
TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1
DECEMBER 1997
CHANGE 1
TM-9-2320-387-24-1 - Page 547 of 1205
TM g-2320-387-24-1
2-46.
STE/lCE-R
TEST PROCEDURES
(Cont’d)
CURRENT FIRST PEAK TEST #72
Description:
Pre-Test Procedures:
This procedure
measures the overall condition
of the complete
starting system. Test requires
DCA hookup only.
Run confidence
test. Warm up engine to
operating
temperature.
Turn off all electrical
accessories.
Typical Applications:
Check condition of starting system on Cl engines
with VTM being powered from battery of vehicle
tested.
Test Procedure:
1. Disconnect fuel solenoid wire 54A to prevent
starting.
2. Make sure all vehicle accessories
are off.
3. Set TEST SELECT switches to 72.
4. Press and hold TEST button until CAL appears
on display.
5. Release TEST button and wait for offset value
to appear on display. If offset is within the range
-150 to 150, proceed.
If not, go to DCA
Troubleshooting
Procedure.
6. Press and release TEST button.
7. When GO appears on display, crank engine for
2 seconds or until one of the following appears
on the display:
OFF
.9.9.9.9
A number
An error message
8. Observe displayed
value (amps).
Possible Error Messages:
E002
E005
E008
E013
E020
E021
Transducer
not connected.
Offset not performed.
VTM does not detect battery voltage.
VTM cannot use data received.
No first-peak
information
was detected by
the VTM.
VTM cannot calculate result because
current is over current probe’s range.
NOTES:
11
.9.9.9.9 is displayed,
current first-peak was
too high and cannot be measured with VTM.
If E013 is displayed,
check battery connections
and correct as necessary.
Repeat step 6. If
E013 persists after 3 tests, VTM cannot
perform test.
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