TM-5-2350-378-24-P
HYDRAULIC DIAGNOSTIC CENTER (HDC) SUPPORTING ARMORED COMBAT EARTHMOVER (ACE), M9
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
TM-5-2350-378-24-P - Page 79 of 790
TM 5--2350--378--24&P
0005 00--20
USING THE HYDRAULIC DIAGNOSTIC CENTER (HDC) SYSTEM TO TROUBLESHOOT THE M9 HYDRAULIC SYSTEM --
Continued
0005 00
Table 4. HDC Control Box Connectors – Pin Designation Signal Names/Identification -- Continued
Connector J3: Mates with Umbilical Cable Connector W4P3
Pin
Number
AWG
Signal Name Description
Reference
Designator
Signal
Source
Signal
Designation
Signal
Circuit No.
Signal Description
F
20
Spare Transducer Signal
Output Return 3
HDC Control
Box
Pressure
Transducer
HDC Control Box
Signal Output Return
G
20
Spare Transducer Signal
Output 4
Pressure
Transducer
HDC Control
Box
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
H
20
Spare Transducer Signal
Output Return 4
HDC Control
Box
Pressure
Transducer
HDC Control Box
Signal Output Return
J
20
CANH
HDC Control
Box
K
20
CANL
HDC Control
Box
L
20
CAN BUS SHIELD
HDC Control
Box
M
20
Spare
N
20
Spare
P
20
Spare
R
20
Spare
S
20
Shared Transducer Signal
Output
Functions utilizing Shared
Transducer:
Right Hand Suspension
Raise Pressure
Apron Cylinder Retract
Pressure
Right Hand Suspension
Lower Pressure
Left Hand Suspension Low-
er Pressure
T1
Pressure
Transducer
HDC Control
Box
1000
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
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