TM 9-6115-730-24
0011
TROUBLESHOOTING FAILURES WITHOUT FAULT CODES - Continued
MALFUNCTION
Thermostat Malfunction.
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.
Remove and inspect thermostat. Replace as required (WP 0081).
STEP 3.
Verify the problem has been resolved.
MALFUNCTION
Water Pump Malfunction.
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 alternator belt. Replace or tighten as required (WP 0075).
STEP 3.
Inspect water pump impeller. Replace water pump if impeller is damaged
STEP 4.
Verify the problem has been resolved.
MALFUNCTION
Engine Coolant Flow Restrictions.
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.
If a buildup of deposits in the cooling system is suspected, clean the cooling
STEP 3.
If the flow of coolant through the engine is not sufficient, determine the cause of
obstruction and repair as required.
STEP 4.
Verify the problem has been resolved.
MALFUNCTION
Exhaust Restriction.
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.
Repair or replace as required (WP 0069).
STEP 3.
Ensure that the exhaust gases are not being drawn into the intake air inlet.
STEP 4.
Verify the problem has been resolved.
0011-47
