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 121 of 1417
ABS - CODE S2B 04 (RIGHT SIDE - YELLOW CHANNEL) - Continued
STEP
2.
IS WHEEL SPEED SENSOR WIRING OPEN OR SHORTED?
a.
Ensure battery and start switches are in the OFF position.
T0960DAA
SENSOR 2A HI
SENSOR 2B LOW
NOT USED
NOT USED
NOT USED
BLUE (LEFT) SOLENOID COMMON
YELLOW (RIGHT) SOLENOID HOLD
YELLOW (RIGHT) SOLENOID COMMON
NOT USED
NOT USED
LAMP -
B- GROUND
NOT USED
DDU B-
DIAGNOSTIC OUTPUT
DDU B+
20
21
11
10
1
2
12
13
22
23
14
4
3
5
15
24
25
16
6
7
17
26
27
18
8
9
19
28
DIAGNOSTIC INPUT
LAMP +
YELLOW (RIGHT) SOLENOID PUMP
BLUE (LEFT) SOLENOID HOLD
BLUE (LEFT) SOLENOID DUMP
SENSOR 2B HI
SENSOR 2A LOW
28 PIN CONTROL
B+ PERM
NOT USED
NOT USED
NOT USED
IGNITION SWITCHED B+
Figure 2.
ABS Wiring Harness 28-pin ECU Connector.
TM 9-2320-272-23-2
0163
0163-4
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