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 - Page 1262 of 1313
CONTROL PANEL LIGHTS WORK, SYSTEM FAILS TO INFLATE OR DEFLATE - Continued
T0906DAA
Figure 7.
CTIS Wiring Harness.
c.
Connect multimeter red lead to CTIS wiring harness cannon plug.
d.
Connect multimeter black lead to electrical lead at pressure switch.
e.
Meter reading should be less than 200 ohms.
CONDITION/INDICATION
IS THERE CONTINUITY BETWEEN PRESSURE SWITCH AND CTIS WIRING HARNESS CANNON PLUG
AT ECU?
DECISION
YES - Go to Step (9).
NO - Replace faulty CTIS wiring harness (Volume 2, WP
0322). Go to Step (11) to verify problem is solved.
TM 9-2320-272-23-1
0149
0149-9
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