TM 9-6115-730-24
0009
TROUBLESHOOTING USING GSC FAULT CODES - Continued
SYMPTOM
47.
CID 442 FMI 12
MALFUNCTION
FMI 12 - Failed Component.
CORRECTIVE ACTION
STEP 1.
Turn the ENGINE CONTROL switch to OFF/RESET. Battery Disconnect switch
is OFF, DEAD CRANK SWITCH is OFF.
STEP 2.
Remove fuse A1F5 from rear of GSC.
STEP 3.
Check fuse A1F5.
STEP 4
If fuse is good, reinstall fuse and disconnect RM 22.
STEP 5.
Measure resistance between A1-7 and A1-22 on GSC relay module
(checking K2 relay).
a. If resistance is not less than 5 ohms, replace K2 relay.
b. If resistance is greater than 5 ohms measured in
STEP 5, check all GSC fuses (FO-4, Sheets 3 and 5).
c.
If K2 relay and fuses are good, repair or replace
wiring harness (WP 0088), as necessary. Verify problem is
resolved.
STEP 7.
Set Battery Disconnect Switch to ON, Set DEAD CRANK SWITCH to NORMAL.
Turn the ENGINE CONTROL switch to COOL DOWN/STOP.
STEP 8.
Push in PUSH TO STOP EMERGENCY STOP pushbutton.
STEP 9.
Reconnect wire(s) to GSC A1-22. If problem is not resolved, replace GSC
0009-39