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 1227 of 1313
FIVE INDICATOR LIGHTS FLASHING - Continued
STEP
13.
IS THERE CONTINUITY BETWEEN PRESSURE TRANSDUCER AND ECU CANNON PLUG?
a.
Refer to point to point schematics.
b.
Connect CTIS wiring harness electrical lead to pressure switch.
c.
Check connection of electrical lead at pressure transducer on pneumatic controller. Clean and tighten
as needed.
T0432DAA
Figure 13.
CTIS Wiring Harness.
CAUTION
Turn battery switch to OFF position before disconnecting or connecting ECU wiring
harness. Failure to do so may result in damage to ECU.
d.
Turn battery switch to OFF position.
TM 9-2320-272-23-1
0146
0146-14
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