Electrical Diagrams

ENGINE CONTROLS SCHEMATICS

Module, Power, Ground, Serial Data and MIL







5V1, 5V2, and Low Reference Bus







Engine Data Sensors - Pressure and Temperature Controls







Engine Data Sensors - Heated Oxygen Sensors Pre-Converter







Engine Data Sensors - Heated Oxygen Sensors Post-Converter







Engine Data Sensors - Throttle Controls







Ignition Controls - Ignition System Coils 1, 3, 5, and 7







Ignition Controls - Ignition System Coils 2, 4, 6, and 8







CKP, CMP, Knock Sensors and Camshaft Actuator







Fuel Controls - Fuel Pump Controls (RPO LMF)







Fuel Controls - Fuel Pump Controls (RPO L20 or L96)







Fuel Controls - Compressed Natural Gas (RPO LC8 with FHZ)







Fuel Controls - Fuel Injectors (RPO L20, L96, LMF)







Fuel Controls - Fuel Injectors (RPO LC8 with FHZ)







Fuel Controls - EVAP Controls







Controlled/Monitored Subsystem References







RPO Codes
RPO FHZ - Vehicle Fuel, Dedicated CNG
VIN A, RPO L20 - Flexible Fuel, Gas/ALC, 8 Cylinder, 4.8L, SFI, Iron, GM
VIN B, RPO LC8 - Flexible Fuel, (CNG/LPG), 8 CYL, V8, 6.0L, SFI, GE N1, GMNA
VIN G, RPO L96 - Flexible Fuel, Gas/ALC, 8 Cylinder, 6.0L SFI, Iron, GM
VIN 4, RPO LMF - Flexible Fuel, Gas/ALC, 8 Cylinder, 5.3L, SFI, V8, OHV, Iron, GM