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Wiring diagrams Section: Testing & Diagnostics

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Engine Controls/fuel - 4.3 (lu3) - Wiring Schematic Diagrams Chevrolet Express G1500

Testing & Diagnostics 11 illustrations

Scheme 1

Scheme 1: Module Power, Ground, Serial Data and MIL

Scheme 1: Module Power, Ground, Serial Data and MIL

Scheme 2

Scheme 2: 5V1, 5V2, and Low Reference Bus

Scheme 2: 5V1, 5V2, and Low Reference Bus

Scheme 3

Scheme 3: Engine Data Sensors - Pressure and Temperature Controls

Scheme 3: Engine Data Sensors - Pressure and Temperature Controls

Scheme 4

Scheme 4: Engine Data Sensors - Heated Oxygen Sensors

Scheme 4: Engine Data Sensors - Heated Oxygen Sensors

Scheme 5

Scheme 5: Engine Data Sensors - Throttle Controls

Scheme 5: Engine Data Sensors - Throttle Controls

Scheme 6

Scheme 6: Ignition Controls - Ignition Control Module

Scheme 6: Ignition Controls - Ignition Control Module

Scheme 7

Scheme 7: Ignition Control System - Sensors

Scheme 7: Ignition Control System - Sensors

Scheme 8

Scheme 8: Fuel Controls - Fuel Pump Controls

Scheme 8: Fuel Controls - Fuel Pump Controls

Scheme 9

Scheme 9: Fuel Controls - Fuel Injectors

Scheme 9: Fuel Controls - Fuel Injectors

Scheme 10

Scheme 10: Fuel Controls - EVAP Controls

Scheme 10: Fuel Controls - EVAP Controls

Scheme 11

Scheme 11: Controlled/Monitored Subsystem References

Scheme 11: Controlled/Monitored Subsystem References