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Figure 3 – PCM Connectors

Figure 3 – PCM Connectors . Figure 4 – PCM Connector Pin Removal Tool. Figure 5 – Diagnostic Pin Out Box . Figure 6 – PCM Power and Grounds . Figure 7 – 5V Power Supply (three wire analog sensor) . Figure 9 – CMP and CKP Sensors .

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Figure 3 – PCM Connectors

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  1. Figure 3 – PCM Connectors

  2. Figure 4 – PCM Connector Pin Removal Tool

  3. Figure 5 – Diagnostic Pin Out Box

  4. Figure 6 – PCM Power and Grounds

  5. Figure 7 – 5V Power Supply (three wire analog sensor)

  6. Figure 9 – CMP and CKP Sensors

  7. Figure 10 & 11 – Typical 6 Cyl CKP Trigger and Scope Pattern

  8. Figure 12 & 13 – Typical 6 Cyl CMP Triggers and Scope Pattern

  9. Figure 14 – Superimposed CMP and CKP Scope Patterns

  10. Figure 15 – PCM Digital (switched) Inputs

  11. Figure 17 – 2-Wire Analog Inputs

  12. Figure 32 – Integrated Cruise Control System

  13. Figure 18 – Integrated S/C MUX Switches

  14. Switch Min/Max Voltage Range Resume / Accell 3.89V – 4.19V Set or Set / Coast 3.17V – 3.57V Coast 2.55V – 2.95V Cancel 1.60V – 2.00V On / Off 0.60V – 1.15V Table 1 – Integrated S/C MUX Switches Voltages

  15. Figure 19 – O2 Sensor Signal Circuit

  16. Figure 20 – Ignition Coil (COP) Circuits

  17. Figure 21 – Injector Control Circuits

  18. Figure 22 – BOSS Output Control (dual)

  19. Figure 23 – High-Side Controlled Outputs

  20. Figure 24 – O2 Sensor Heater Circuits

  21. Figure 25 – Charging System Control

  22. Figure 26 – Speed Density Equation (prior to NGC)

  23. Figure 27 – “Model-Based” Fuel Equation (NGC)

  24. Figure 29 – Natural Vacuum Principle Demonstrated

  25. Figure 30 – NVLD Assembly (canister mounted shown)

  26. Figure 31 – NVLD Schematic

  27. Figure 34 – Double Start Override System

  28. Student Learning Objectives: Identify and explain the hardware differences between the NGC PCM and previous PCMs Demonstrate how to use all special tools Identify, explain and diagnose all engine controller power and ground supplies, as well as communication networks that are unique to NGC Identify, explain and diagnose all PCM inputs and outputs that are unique to NGC Demonstrate an understanding of the unique differences of the “Model-Based” fuel strategy on NGC vehicles Demonstrate an understanding of the unique differences in purge and EGR strategies Demonstrate an understanding of the unique differences in accessory controls Identify, explain and diagnose the NVLD system

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