TM 9-2350-287-20-1
2-22. SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION
ENGINES (STE/ICE) (continued).
b. STE/lCE TROUBLESHOOTING - (continued).
(14) CRANKING CURRENT - TEST 71.
Tools/Test Equipment:
General mechanics tool kit (Item 24, Appendix I)
STE/lCE test set (Item 65, Appendix I)
A. 1. Pull power switch on VTM to OFF position.
2. Connect DCA cable W1 connector PI to
VTM connector J1.
3. Connect DCA cable W1 to harness 12329996
connector at DCA receptacle in drivers comp-
artment.
4. Push power switch on VTM to ON position.
5. Do confidence test 66/99 (para 2-22.a(1)).
6. Dial 60 into TEST SELECT.
7. Press and release TEST button. Message
VEH should be displayed on the VTM.
8. Enter the vehicle ID number 11.
9. Enter 71 into TEST SELECT, then press
and hold TEST button until CAL appears.
10. Press and release TEST button.
11. Crank engine (refer to TM 9-2350-287-10)
while holding fuel shutoff control handle out.
12. Record test results.
Is reading on VTM between -350 and -500 amps?
B. 1. Do the following tests using function control
01:
72- Current first peak (para 2-22.b(15)).
73 - Battery internal resistance (para 2-
22.b(3)).
74 - Starter circuit resistance (para 2-22.b(2)).
75 - Battery resistance change (para 2-
22.b(4).
2. If tests are good, do the following tests:
68 - Starter positive terminal voltage (para 2-
22.b(19)).
69 - Starter negative cable drop (para 2-
22.b(5)).
70 - Starter solenoid voltage (para 2-22.b(16)).
3. If fault still exists, do individual battery volt-
age test 89 (para 2-22.b(20)).
END OF TASK
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