TM-9-2320-280-20-1
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 1 OF 3
JANUARY 1996
TM-9-2320-280-20-1 - Page 414 of 888
TM 9-2320-280-20-1
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
YES
2-318.4
Change 1
FROM 3,
Page 2-318.2
BATTERIES OK
GLOWPLUGS OK
DISTRIBUTION BOX OK
CABLES
GLOWPLUG
CONTROL CIRCUIT
1. STE/ICE-R TEST 80
(Page 2-749)
2. MULTIMETER
If the glowplugs cycle, the glowplug
controller is working.
Since current
draw is OK, the only thing left to
check is the cycling.
GO TO B,
Page 2-318.8
5
NO GLOWPLUGS FAULT FOUND.
DO THE GLOWPLUGS CYCLE
PROPERLY? (SEE THE NORMAL
GLOWPLUG OPERATION
DESCRIPTION ON THE RIGHT
HAND PAGE.)
4
GLOWPLUGS
DIAGNOSTIC FLOWCHART
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