TM 9-6115-729-24
0009
TROUBLESHOOTING USING GSC FAULT CODES - Continued
NOTE
A fault code is generated if none of the GSC inputs from the ENGINE CONTROL switch are
connected to ground, or if more than one input is grounded.
SYMPTOM
41.
CID 336 FMI 02
MALFUNCTION
ENGINE CONTROL switch.
FMI 02 - Erratic, Intermittent, or Incorrect Signal.
CORRECTIVE ACTION
STEP 1.
Turn the ENGINE CONTROL switch to OFF/RESET. Battery Disconnect Switch
is OFF; DEAD CRANK SWITCH is OFF.
STEP 2.
Inspect the harness between ENGINE CONTROL switch and the GSC per FO-4,
sheets 1, 4, and 5. Look for broken and shorted wires. Repair or replace control
STEP 3.
Verify continuity of ENGINE CONTROL switch in accordance with FO-1, sheet 2.
a. If ENGINE CONTROL switch defective, replace ENGINE CONTROL switch
b. If ENGINE CONTROL switch is good, check all GSC fuses (FO-4, Sheets 3
and 5).
c.
If GSC fuses are ok, replace GSC (WP 0040).
STEP 4.
Verify the problem has been resolved.
0009-35
