TM-9-2320-272-23-1

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5

SEPTEMBER 2012
TM-9-2320-272-23-1

  TM-9-2320-272-23-1 - Page 852 of 1313

FIELD MAINTENANCE
SYSTEM OPERATES INCORRECTLY IN ONE OR MORE POSITIONS OF DIRECTIONAL SIGNAL CONTROL
LEVER
INITIAL SETUP:
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Volume 5, WP
0826, Table 1, Item 56)
Multimeter
(Volume 5, WP
0826, Table 1, Item 34)
Test Set, Electronic Systems
(Volume 5, WP
0826, Table 1, Item 51)
Personnel Required
(2)
References
Point to Point Schematics
Volume 2, WP
0317
Equipment Condition
Vehicle parked and engine shut down.
(TM
9-2320-272-10)
TROUBLESHOOTING PROCEDURE
SYSTEM OPERATES INCORRECTLY IN ONE OR MORE POSITIONS OF DIRECTIONAL SIGNAL CONTROL
LEVER
NOTE
Conduct these malfunction tests if the system operates incorrectly in one or more positions
of directional signal control lever. This procedure will check for a defective directional signal
control unit.
TM 9-2320-272-23-1
0099
0099-1


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