TM 9-6115-729-24
0011
TROUBLESHOOTING FAILURES WITHOUT FAULT CODES - Continued
MALFUNCTION
Engine Temperature.
CORRECTIVE ACTION
STEP 1.
Set Battery Disconnect Switch to ON. Set DEAD CRANK SWITCH to NORMAL.
On EMCP set ENGINE CONTROL switch to START.
STEP 2.
Check coolant temperature using GSC. (ECM may not be leaving cold mode
operation.)
a. Coolant temperature should start at ambient temperature and rise above
64F (17C) as the engine warms up.
b. If GSC temperature reading does not increase properly, replace coolant
temperature sensor (WP 0100).
c.
If engine does not warm up, replace engine coolant temperature
thermostat(s) (WP 0082).
STEP 3.
Verify the problem has been resolved.
MALFUNCTION
Generator Faulty.
CORRECTIVE ACTION
STEP 1.
On EMCP set ENGINE CONTROL switch to OFF/RESET. Set Battery
Disconnect Switch to OFF. Set DEAD CRANK SWITCH to OFF.
STEP 2.
Inspect generator for problem, which would place excess load on engine. Repair
or replace components, as required or replace generator (WP 0097).
STEP 3.
If replacing generator does not correct the problem, there is an internal engine
problem. Replace the engine (WP 0098).
STEP 4.
Verify the problem has been resolved.
0011-34
