TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 314 of 1417
NG80: STARTER CIRCUIT TESTS - Continued
STEP
12.
Perform battery voltage while cranking test.
a.
Dial 67 into TEST SELECT and press TEST.
Table
9.
Battery Voltage Test.
Test NO.
Test
67
Battery Voltage
b.
Crank engine and observe displayed voltage.
CONDITION/INDICATION
Was battery voltage above 19 volts while cranking?
DECISION
YES - Check switches and wiring to starter solenoid. Repair as necessary. After completing repair, rerun GO-
Chain tests to verify problem is solved and no other problem exists.
NO - Go to NG81: Battery Tests (WP
0203).
END OF WORK PACKAGE
TM 9-2320-272-23-2
0202
0202-9/10 blank
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