TM 9-6115-730-24
0011
TROUBLESHOOTING FAILURES WITHOUT FAULT CODES - Continued
MALFUNCTION
Electrical Connections 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.
Check for correct installation of ECM to EMCP harness connector ENG-P1 to
ECM J1 and of engine harness connector ENG-P2 to ECM J2 (cables plugged in
to ECM) (WP 0088 and FO-2, sheet 1 and sheet 2).
STEP 3.
Check engine harness timing sensor connectors ENG-P401 and ENG-P402 and
unit injector connector ENG-P300/J300. Plug connectors in securely (WP 0088).
STEP 4.
Verify connections between LSM A4 pins A4-19 and A4-20 and the ECM input
pins ENG-P1-5 and ENG-P1-66 (FO-4, sheet 2 and FO-3, sheets 1 and 2). Look
specifically for intermittent connections. Repair or replace wiring, as required
STEP 5.
Verify the problem is resolved.
MALFUNCTION
Fuel Supply Problem.
CORRECTIVE ACTION
STEP 1.
Perform Cylinder Cutout Test (WP 0013, SYMPTOM 5) to check for any non-
operable unit injectors. If necessary, replace faulty injectors (WP 0118).
STEP 2.
Check for a fuel supply problem and verify fuel pressure (WP 0013,
SYMPTOM 10).
STEP 3.
Verify the problem is resolved.
MALFUNCTION
Insufficient Inlet Air.
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.
Check for dirty or clogged air filters. Replace air filters (WP 0071).
STEP 3.
Check exhaust system for restrictions. Repair or replace components, as
STEP 4.
Verify the problem is resolved.
0011-36