Engine Controls - Self-Diagnostics - Introduction

• Introduction
• Self-Diagnostic System
  • Notes
  • Diagnostic Trouble Codes
  • Malfunction Indicator Light (Mil)
  • Hard Failures
  • Intermittent Failures
• Retrieving Codes
  • Notes
  • Visual Inspection
  • Retrieving Codes
• Clearing Codes
• Pcm Voltage Check
  • Notes
  • Voltage Check (1.8L Turbo)
  • Voltage Check (A4 2.8L)
• Mil Check
• Pcm Replacement
• Pcm Coding
• DTC Identification
  • A4 1.8L Turbo DTC Identification
  • A4 2.8L DTC Identification
• Summary
• Connector Identification