Troubleshooting
Teledyne Continental Motors, Inc.
TM
8-2
IOF-550 Permold Series Engine Maintenance Manual
1 April 2007
8-12. Exhaust System................................................................................................................. 8-35
8-13. Cabin Harness Functional Check ..................................................................................... 8-36
8-13.1. Electrical Ground Check........................................................................................................................ 8-36
8-13.2. Enable Switch Check............................................................................................................................. 8-38
8-13.3. Power Supply Check ............................................................................................................................. 8-39
8-13.4. Boost Pump Relay Check ...................................................................................................................... 8-40
8-14. FADEC Schematics.......................................................................................................... 8-41
8-14.1. IOF-550-B and C Schematics ................................................................................................................ 8-42
8-14.2. IOF-550-N, P, and R Schematics........................................................................................................... 8-50
LIST OF TABLES
Table 8-1. FADEC Diagnostic Level Features ............................................................................ 8-3
Table 8-2. FADEC Sensor Deviation Range ............................................................................. 8-13
Table 8-3. Sensor Fault Conditions ........................................................................................... 8-18
Table 8-4. System Status Indicators........................................................................................... 8-19
LIST OF FIGURES
Figure 8-1. Engine Data Interface.............................................................................................. 8-12
Figure 8-2. P6 Connector Pin Layout ........................................................................................ 8-36
Figure 8-3. P7 Connector Pin Layout ........................................................................................ 8-37
Figure 8-4. P8 Connector Pin Layout ........................................................................................ 8-37
Figure 8-5. 50-pin connectors .................................................................................................... 8-41
Figure 8-6. 25-pin connectors .................................................................................................... 8-41
Figure 8-7. 6-pin connectors ...................................................................................................... 8-41
Figure 8-8. IOF-550-B and C ECU #1....................................................................................... 8-42
Figure 8-9. IOF-550-B and C ECU #2....................................................................................... 8-43
Figure 8-10. IOF-550-B and C ECU #3..................................................................................... 8-44
Figure 8-11. IOF-550-B and C Fuel Injection System .............................................................. 8-45
Figure 8-12. IOF-550-B and C Pressure Sensors....................................................................... 8-46
Figure 8-13. IOF-550-B and C Temperature Sensors................................................................ 8-47
Figure 8-14. IOF-550-B and C Speed Sensor Assembly ........................................................... 8-48
Figure 8-15. IOF-550-B and C Bulkhead Connectors ............................................................... 8-49
Figure 8-16. IOF-550-N, P & R ECU #1................................................................................... 8-50
Figure 8-17. IOF-550-N, P & R ECU #2................................................................................... 8-51
Figure 8-18. IOF-550-N, P & R ECU #3................................................................................... 8-52
Figure 8-19. IOF-550-N, P & R Fuel Injection System............................................................. 8-53
Figure 8-20. IOF-550-N, P & R Pressure Sensors..................................................................... 8-54
Figure 8-21. IOF-550-N, P & R Temperature Sensors.............................................................. 8-55
Figure 8-22. IOF-550-N, P & R Speed Sensor Assembly ......................................................... 8-56
Figure 8-23. IOF-550-N, P & R Firewall Connectors ............................................................... 8-57