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 1259 of 1313
CONTROL PANEL LIGHTS WORK, SYSTEM FAILS TO INFLATE OR DEFLATE - Continued
STEP
5.
IS THERE CONTINUITY BETWEEN PNEUMATIC CONTROLLER SOLENOIDS AND CTIS WIRING
HARNESS CANNON PLUG AT ECU?
a.
Refer to point to point schematics.
b.
Turn battery switch to OFF position.
T0906DAA
Figure 4.
CTIS Wiring Harness.
CAUTION
Turn battery switch to OFF position before disconnecting ECU wiring harness. Failure
to do so may result in damage to ECU
c.
Disconnect CTIS wiring harness cannon plug at ECU.
d.
Disconnect connector from pneumatic controller.
TM 9-2320-272-23-1
0149
0149-6
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