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 264 of 1417
G02: FIRST PEAK TEST– STARTER CURRENT - Continued
STEP
2.
Measure starter current - first peak test.
a.
Press TEST.
b.
Wait for prompting message GO to appear on display.
NOTE
While cranking the engine with bad or discharged batteries, it is possible for the VTM to
lose power and come on again after the cranking has stopped, displaying – – – –. If this
ever occurs, immediately proceed to NG81: Battery Test (WP
0203).
c.
When GO appears shut off fuel and depress starter switch until OFF or an error message is displayed.
T0008DAA
Figure 2.
GO Prompting Message.
CONDITION/INDICATION
Is a number displayed?
DECISION
YES - Go to Step (3).
NO - Perform NG80: Starter Circuit Tests. (WP
0202)
TM 9-2320-272-23-2
0189
0189-3
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