TM 10-5410-228-24
UNIT LEVEL TROUBLESHOOTING
PROCEDURES Continued.
1.
NO POWER TO SYSTEM WITH ECV RUNNING NO AIR, NO LIGHTS, NO READINGS ON
CONVERTER Continued.
2
1
Yes
Remove diode A17D2 from terminal
Does
No
Repair or replace
block A17TB1 pins 2 and 3.
cable assembly
exist?
1A1W1.
Yes
No
Diode tests good?
Yes
A17K1
Reinstall diode.
TO W17
TO A17J1
TO POS 24 VDC (BAT
A2
A1
TO A17J1
TO A17J1
TO W17
X1
X2
wiring from A17J1-F to A17TB1-2 and
TO A17TB1
TO VEHICLE GND (BAT
TO A17TB1
X2
B2
B3
B1
-X2 B2
B1
B
+
A1
A2
A
+X1
A1
X1
A2
A3
221-1-M
2-14