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

  TM-9-2320-272-23-2 - Page 88 of 1417

FIELD MAINTENANCE
ABS - CLEAR HISTORICAL CODES WITH THE HALDEX INFO CENTER (SCAN TOOL)
INITIAL SETUP:
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Volume 5, WP
0826, Table 1, Item 56)
ABS Diagnostic Info Centre (TM 9-2320-272-10)
Test Set, Electronic Systems
(Volume 5, WP
0826, Table 1, Item 51)
Personnel Required
(2)
References
Point to Point Schematics
WP
0185
Equipment Condition
Vehicle parked and engine shut down.
(TM
9-2320-272-10)
TROUBLESHOOTING PROCEDURE
ABS - CLEAR HISTORICAL CODES WITH THE HALDEX INFO CENTER (SCAN TOOL)
NOTE
ABS warning lamp should come on briefly at power up and then turn off. This indicates that
warning lamp system is operating properly. If lamp fails to illuminate or stays on, it indicates
a system problem and further testing is necessary.
TM 9-2320-272-23-2
0159
0159-1


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