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 95 of 1417
WHEEL SPEED SENSOR OUTPUT TEST - Continued
STEP
1.
DOES LEFT REAR-REAR WHEEL SPEED SENSOR INDICATE A VALID SIGNAL WHEN TESTED?
a.
Cage left rear-rear wheel brakes.
b.
Raise left rear-rear wheels until they are off the ground M939 (Volume 3, WP
0484),
M939A1/A2 (Volume 3, WP
0485). Support vehicle with jack stand.
c.
Connect Info Centre to ABS diagnostic connector.
d.
Turn battery switch ON.
e.
Turn starter switch to RUN position.
NOTE
If Info Centre display is blank, or displays "COMFAIL", perform ABS No Data
troubleshooting (WP
0185).
f.
Check display on Info Centre.
T0996DAA
Figure 1.
Info Centre Fault Code "OK 07" Display.
g.
Code "OK 07" should be displayed on Info Centre.
TM 9-2320-272-23-2
0160
0160-2
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