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 1195 of 1313
TWO PRESSURE MODES INDICATED WITH STEADY MODE LIGHTS - Continued
STEP
19.
IS THERE CONTINUITY BETWEEN PRESSURE TRANSDUCER AND ECU CANNON PLUG?
a.
Refer to point to point schematics.
T0983DAA
Figure 17.
CTIS Wiring Harness.
b.
Connect CTIS wiring harness electrical lead to pressure transducer.
c.
Check connection of electrical lead at pressure transducer on pneumatic controller. Clean and tighten
as needed.
CAUTION
Turn battery switch to OFF position before disconnecting or connecting ECU wiring
harness. Failure to do so may result in damage to ECU.
TM 9-2320-272-23-1
0144
0144-18
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