Engine Controls - Basic Testing

• Introduction
• General Motors A & C Chart Reference
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
    • Diagnosis
• No Start Diagnosis (A3)
  • Notes
  • Engine Controls - Basic Testing
    • Definition
  • No Start - Engine Cranks Okay (TBI With HEI)
    • Notes
    • General Inspection
    • Ignition System
    • Fuel System
  • No Start - Engine Cranks Okay (TBI With Dis)
    • Notes
    • General Inspection
    • Ignition System
    • Fuel System
  • No Start - Engine Cranks Okay (PFI With HEI)
    • Notes
    • General Inspection
    • Ignition System (Remote Coil)
    • Ignition System (Integral Coil)
    • Fuel System
  • No Start - Engine Cranks Okay (PFI With Dis)
    • Notes
    • General Inspection
    • Ignition System
    • Fuel System
  • No Start - Engine Cranks Okay (PFI With IDI)
    • Notes
    • General Inspection
    • Ignition System
    • Fuel System
  • No Start - Engine Cranks Okay (PFI With C(3)I)
    • Notes
    • General Inspection
    • Ignition System (3.3L)
    • Ignition System (3.8L)
    • Fuel System
• Basic Fuel System Checks (A7)
  • Fuel System Pressure Test
    • Notes
    • Fuel Pressure Relief (TBI)
    • Fuel Pressure Relief (PFI)
    • Fuel Pressure Check (TBI)
    • Fuel Pressure Check (PFI)
    • Fuel Pump Relay
    • Fuel Pump Relay By-Pass Procedure
  • Field Service Mode Check (Except PFI CADILLAC)
• Basic Ignition System Checks (C4)
  • Dis Ignition
    • DIS Misfire - 3.1L (VIN T) "W" Body - C4F Chart
    • Spark
    • Ignition Coil Power Source
    • Ignition Coil Resistance
    • Crankshaft Sensor Pick-Up Coil Short & Resistance Checks
    • Crank Angle Sensor Signal
    • Tach Pulse (RPM) Signal
  • HEI-Est Distributor
    • Notes
    • Spark
    • Ignition Coil Power Source
    • Ignition Coil Resistance (Externally Mounted)
    • Ignition Coil Resistance (Internally Mounted)
    • Distributor Pick-Up Coil Short & Resistance Checks
    • Tach Pulse (RPM) Signal
  • IDI
    • Spark
    • Ignition Coil Power Source
    • Ignition Coil Resistance
    • Crankshaft Sensor Pick-Up Coil Short & Resistance Checks
    • Crank Angle Sensor Signal
    • Tach Pulse (RPM) Signal
  • C(3)I
    • Spark
    • Ignition Coil Power Source
    • Ignition Coil Resistance
    • Tach Pulse (RPM Reference) Signal
• Idle Speed & Ignition Timing
• Diagnostic Circuit Check (Except PFI CADILLAC)
  • Notes
  • A1 - "Service Engine Soon" Light Inoperative
  • A2 - "Service Eng Soon" Always On, Time/Won't Flash Code 12
• Summary