TM 5-2350-378-23&P
0021
APPARENT HYDRAULIC DIAGNOSTIC CENTER (HDC) SYSTEM PROBLEM - Continued
STEP
25.
Check if HDC system is fully operational.
CONDITION/INDICATION
Is HDC system fully operational as indicated by all of individual HDC system components specified in check-out
procedure passing their functional check-out?
DECISION
YES - The HDC system has passed functional check-out and can be used to aid in troubleshooting vehicle
hydraulic system.
NO - Go to Step (26).
STEP
26.
If here, at least one HDC system component failed to pass the functional check-out.
CONDITION/INDICATION
Did all components of the HDC system pass the functional check-out?
DECISION
YES - Replace HDC control box.
NO - Go to Step (29).
STEP
27.
Check if CIRCUIT FAULT message is displayed.
CONDITION/INDICATION
Is CIRCUIT FAULT message displayed on either LCD screen indicating that a problem exists in one (or more)
of HDC system solenoid valves or pressure transducer circuits?
DECISION
YES - Go to Step (31).
NO - Go to Step (28).
STEP
28.
Check if same condition exists.
a.
Power off HDC system.
b.
Wait a few moments, then power up HDC system again.
CONDITION/INDICATION
Do same CONDITIONS/INDICATIONS still exist?
DECISION
YES - Replace HDC control box.
NO - Continue with HDC system functional check-out (WP 0025) .
0021-20
03/15/2011Rel(1.8)root(tswp)wpno(T00019)
