TM 9-6115-729-24
0011
TROUBLESHOOTING FAILURES WITHOUT FAULT CODES - Continued
SYMPTOM
20.
Engine Cranks But Will Not Start.
MALFUNCTION
Fuel Delivery Problem.
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 a fuel supply problem and verify fuel pressure (WP 0013, SYMPTOM
13).
STEP 3.
Verify the problem has been resolved.
MALFUNCTION
Engine Timing Incorrect.
CORRECTIVE ACTION
STEP 1.
On EMCP set ENGINE CONTROL switch to COOL DOWN/STOP. Set Battery
Disconnect Switch to ON. Set DEAD CRANK SWITCH to NORMAL.
STEP 2.
Verify engine speed during cranking using GSC readout of engine speed.
a. If speed is not greater than 50 rpm during cranking, perform load test on
batteries. Check batteries and cables as required. Replace as required
b. If batteries are good, replace starter (WP 0074).
STEP 3.
Inspect and adjust engine timing sensors.
a. Inspect sensors and adjust if good (WP 0013).
b. If sensors are damaged, replace/adjust sensors (WP 0013).
STEP 4.
Perform Engine Timing Sensor Calibration (WP 0013, SYMPTOM 11). Replace
defective injector (WP 0114), if necessary.
STEP 5.
Verify the problem has been resolved.
MALFUNCTION
Personality Module Mismatch.
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-P1 to ECM J2 (cables plugged in
to ECM) (FO-2, sheet 1 and sheet 2) and (WP 0090, Figure 2, sheet 3). Plug
connectors in securely.
0011-23
