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 80 of 790
TM 5--2350--378--24&P
0005 00--21
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
S (cont)
20
Winch Control Pressure
Left Hand Suspension Raise
Pressure
T1
Pressure
Transducer
HDC Control
Box
1000
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
T
20
Shared Transducer Signal
Output Return
T1
HDC Control
Box
Pressure
Transducer
1001
HDC Control Box
Signal Output Return
U
20
Ejector Control Valve
Extend Pressure Signal
Output
T2
Pressure
Transducer
HDC Control
Box
1002
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
V
20
Ejector Control Valve
Extend Pressure Signal
Output Return
T2
HDC Control
Box
Pressure
Transducer
1003
HDC Control Box
Signal Output Return
W
20
Right Main Hydraulic
Pressure Signal Output
T3
Pressure
Transducer
HDC Control
Box
1004
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
X
20
Right Main Hydraulic
Pressure Signal Output
Return
T3
HDC Control
Box
Pressure
Transducer
1005
HDC Control Box
Signal Output Return
Y
20
Left Main Hydraulic
Pressure Signal Output
T4
Pressure
Transducer
HDC Control
Box
1006
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
Z
20
Left Main Hydraulic
Pressure Signal Output
Return
T4
HDC Control
Box
Pressure
Transducer
1007
HDC Control Box
Signal Output Return
a
20
Right Suspension Port 3
Pressure No. 1 Actuator
Signal Output
T5
Pressure
Transducer
HDC Control
Box
1008
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
b
20
Right Suspension Port 3
Pressure No. 1 Actuator
Signal Output Return
T5
HDC Control
Box
Pressure
Transducer
1009
HDC Control Box
Signal Output Return
c
20
Left Suspension Port 3
Pressure No. 1 Actuator
Signal Output
T6
Pressure
Transducer
HDC Control
Box
1010
0.5VDC – 0 PSIG
9.5VDC – 4000 PSIG
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