Engine Control System - Tests W/Codes - Introduction

• Model Identification
  • Notes
  • Cars
  • Trucks
• Introduction
• Self-Diagnostic System
  • Description
    • Notes
    • Hard Failures
    • Intermittent Failures
  • Scan Tool Display
  • Diagnostic Procedure
  • Retrieving Diagnostic Trouble Codes
  • On-Board Diagnostic (OBD) System Check
    • Notes
    • 1.9L (VIN 7 & 8)
    • 2.2L & 2.4L
    • 3.0L
    • 3.1L & 3.4L
    • 3.5L
    • 3.8L
    • 4.0L
    • 4.3L, 5.0L, 5.7L (VIN R) & 7.4L
    • 4.6L
    • 4.8L, 5.3L & 6.0L
    • 5.7L (VIN G - Camaro & Firebird)
    • 5.7L (VIN G - Corvette)
  • Mil Inoperative
    • 2.2L & 2.4L
    • 3.1L & 3.4L
    • 3.8L
  • Mil Circuit Check
    • 4.3L, 5.0L, 5.7L (VIN R) & 7.4L
  • Mil On Steady
    • 2.2L & 2.4L
  • DLC Diagnosis Or No Scan Tool Data
    • 2.2L & 2.4L
    • 3.0L
    • 3.1L, 3.4L & 3.8L
    • 4.0L
    • 4.3L, 5.0L, 5.7L (VIN R) & 7.4L
    • 4.6L
    • 4.8L, 5.3L & 6.0L
    • 5.7L (VIN G)
  • Diagnostic Trouble Code (DTC) Definition
    • Notes
    • Cars
    • Trucks
  • Hard Or Intermittent Trouble Code Determination
  • Clearing Diagnostic Trouble Codes (DTCS)
  • ECM/Pcm/VCM Location
  • Diagnostic Materials
    • Diagnostic Aids
  • Special Tools (Diagnostic)
  • Scan Tool Usage
  • Summary
• Pcm Pin Voltage Charts