Figure 3

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Figure 3 PCM Connectors
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Figure 4 PCM Connector Pin Removal Tool
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Figure 5 Diagnostic Pin Out Box
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Figure 6 PCM Power and Grounds
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Figure 7 5V Power Supply (three wire analog
sensor)
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Figure 9 CMP and CKP Sensors
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Figure 10 11 Typical 6 Cyl CKP Trigger and
Scope Pattern
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Figure 12 13 Typical 6 Cyl CMP Triggers and
Scope Pattern
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Figure 14 Superimposed CMP and CKP Scope
Patterns
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Figure 15 PCM Digital (switched) Inputs
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Figure 17 2-Wire Analog Inputs
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Figure 32 Integrated Cruise Control System
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Figure 18 Integrated S/C MUX Switches
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Table 1 Integrated S/C MUX Switches Voltages
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Figure 19 O2 Sensor Signal Circuit
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Figure 20 Ignition Coil (COP) Circuits
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Figure 21 Injector Control Circuits
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Figure 22 BOSS Output Control (dual)
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Figure 23 High-Side Controlled Outputs
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Figure 24 O2 Sensor Heater Circuits
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Figure 25 Charging System Control
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Figure 26 Speed Density Equation (prior to NGC)

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Figure 27 Model-Based Fuel Equation (NGC)
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Figure 29 Natural Vacuum Principle Demonstrated
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Figure 30 NVLD Assembly (canister mounted shown)
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Figure 31 NVLD Schematic
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Figure 34 Double Start Override System
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• 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