TM 5-2350-378-23&P
0021
APPARENT HYDRAULIC DIAGNOSTIC CENTER (HDC) SYSTEM PROBLEM - Continued
STEP
15.
Check power cable W1 for short circuit from W1J1-A to connector W1J1 shell or other pins.
TERMINAL B1 (TOP)
POWER CABLE ASSEMBLY
W1 CONNECTION
(LABELED 1070)
FROM W1J1-A
1
A1
B1
X1
B3
A3
X2
PARKING BRAKE
TERMINAL B2 (BOTTOM)
A2
B2
TO HDC CIRCUIT
RELAY
BREAKER VIA LEAD
ASSEMBLY 12496958
(LABELED 1070)
B1 (HIDDEN)
B2 (PARTIALLY HIDDEN)
T01916HDC
Figure 16. Parking Brake Relay Terminals.
CONDITION/INDICATION
Does a short circuit exist in power cable W1?
DECISION
YES - Replace power cable W1 (WP 0030).
NO - Check for loose or damaged terminals B1 and B2 on parking brake relay (Figure 16). Check terminals,
tighten wiring and replace parking brake relay if defective.
03/15/2011Rel(1.8)root(tswp)wpno(T00019)