STEP/SEQUENCE RESULT WHAT TO DO NEXT TM 9-2320-363-20-1 Section 4 TROUBLESHOOTING CHARTS D.  CHART -2 - ENGINE CRANKS BUT WILL NOT START (Cont'd) C 2-4 Check for Aerated Fuel Loosen fuel return line. Flow is steady. Go to C 2-5. Observe fuel flow out of line while cranking.  (You can direct the fuel No flow or Check fuel filter(s) and supply into a bucket.) intermittent flow. lines to determine cause of problem (refer to engine Service Manual for details). C 2-5 Check for White Smoke Reconnect fuel return line White smoke. Your problem appears to be with Look for white smoke coming out cylinder compression or of the exhaust stack while restricted air intake.  Refer to the cranking the engine. engine Service Manual for detailed troubleshooting. No white smoke. Go to C2-31. C 2-6 Check TRS Status via RPM Read out Select Engine RPM on Display always Go to C2-12. DDR. reads greater than or Crank engine while observing equal to 60 RPM or DDR display.  (Note: Battery cranking. voltage surge while cranking with electric starters may blank Display sometimes Go to C2-7. out or reset DDR.) or always reads less than 60 RPM while cranking. C 2-7 Check TRS Turn Ignition off. Between 100 Go to C2-8. Disconnect engine harness and 200 ohms, on a non connector at the ECM. Series 60 engine. Read resistance between sockets T1 and T2 at the Between 100 Go to C2-9. engine harness connector. and 200 ohms, on a Series 60 engine. Less than Go to 41-2. 100 ohms. Greater than Go to 41-3. 200 ohms. Change 3  3-345.65