TM 10-5410-228-24
31. ECV SHUTS DOWN OR DOESN'T START Continued.
2
1
Does
No
Replace relay.
continuity
exist?
Yes
Does
Test for continuity between
No
continuity test
Check each wire
relay socket pins:
indicate an open
to ground.
X1 and end of wire 14 at
circuit?
neutral safety switch
X2 and ground
A1 and end of wire 14A
Yes
A2 and end of wire 14B.
If continuity to ground
exists, isolate each cable
assembly until short is
found.
Reconnect wires to
Replace cable assembly.
original setup.
Notify direct support to
repair cable assembly
Isolate each cable
1A1W1.
assembly until short
is found.
Replace faulty cable
assembly.
B1
X2
B2
B3
-X2
B1
B2
B3
+
A1
A2
A3
+X1
A1
X1
A2
A3
RELAY A8K2
220-1-M
2-103