TM 9-6115-730-24
0009
TROUBLESHOOTING USING GSC FAULT CODES - Continued
NOTE
If the Close Breaker output (P7-37) voltage is detected to be above or below normal, this fault
code will appear. This fault occurs only in AUTO PARALLEL mode.
SYMPTOM
58.
CID 858 FMI 02
CID 858 FMI 03
CID 858 FMI 04
MALFUNCTION
Close Breaker Output.
FMI 02 - Erratic, Intermittent, or Incorrect Signal.
FMI 03 - Voltage Above Normal.
FMI 04 - Voltage Below Normal.
CORRECTIVE ACTION
STEP 1.
Set Battery Disconnect Switch to ON, Set DEAD CRANK SWITCH to NORMAL.
Turn the ENGINE CONTROL switch to COOL DOWN/STOP.
STEP 2.
In control box, locate wire between SYNC MODE switch (SMS) pin 11 and P7-37
per FO-4 sheet 1 and FO-1 sheet 3.
STEP 3.
Disconnect wire from SMS pin 11 and measure voltage at end of wire.
a. If voltage is not 5.2 1.0 Vdc, repair or replace control box harness (WP 0044
and WP 0088), as necessary. Verify the problem has been resolved.
b. If the problem has not been resolved, check all GSC fuses (FO-4,
Sheets 3 and 5).
c.
If GSC fuses are ok, replace GSC (WP 0041).
STEP 4.
Verify the problem has been resolved.
0009-49
