Engine Control System Self-Diagnostics - Introduction

• Introduction
• Self-Diagnostic System
  • System Overview
  • Two-Trip Detection Logic
  • Data Link Connector
  • Freeze-Frame Data
  • ECM Location
  • Malfunction Indicator Light (Mil) Inspection
  • Testing Procedure
  • Retrieving Diagnostic Trouble Codes
    • Notes
    • NORMAL Mode Code Retrieval
    • CHECK Mode Code Retrieval (Toyota Hand-Held Tester Only)
  • Clearing Diagnostic Trouble Codes
  • Trouble Code Test Drive Confirmation
• Scan Tool Problems
  • DLC No. 3 Inspection
• Summary