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 68 of 1417
TROUBLESHOOTING ABS WITHOUT DIAGNOSTIC TOOLS - Continued
CONDITION/INDICATION
IS THE ABS WIRING HARNESS 28-PIN CONNECTOR OK?
DECISION
NO - Replace ABS wiring harness (Volume 3, WP
0467). Go to Step (15) to verify problem is solved.
YES - Go to Step (4).
STEP
4.
IS THE ABS WIRING HARNESS OK?
Inspect the ABS wiring harness for sign of damage that could possibly cause an open or shorted condition
in the harness.
CONDITION/INDICATION
IS THE ABS WIRING HARNESS OK?
DECISION
NO - Replace ABS wiring harness (Volume 3, WP
0467). Go to Step (15) to verify problem is solved.
YES - Go to Step (5).
TM 9-2320-272-23-2
0156
0156-5
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