Heating and Air Conditioning: Technical Service Bulletins

• Customer Interest
  • Fresh Air Fan - Intermittently Switching to High Speed
  • A/C - Condensation in Ventilation System and Footwell
• By Symptom
  • Customer Interest
    • Fresh Air Fan - Intermittently Switching to High Speed
    • A/C - Condensation in Ventilation System and Footwell
  • Erratic Operation
    • Fresh Air Fan - Intermittently Switching to High Speed
  • Inoperative
    • A/C - Climate Control Will Not Cool Diagnosis
    • A/C - R134a Quick Reference
  • Poor performance
    • A/C - Climate Control Common Problems
    • A/C - Climate Control Will Not Cool Diagnosis
    • A/C - R134a Quick Reference
• All Technical Service Bulletins
  • Automatic Climate Control - Wiring Diagram
  • A/C - Climate Control Common Problems
  • Plenum Drain Valve - Checking Replacing
  • A/C System - Retrofitting R-12 to R-134a
    • Overview
    • Cautions
    • Compressor Identification
    • System Preparation
    • Nippondenso Compressor A/C System
      • Replacement Compressor Updating
      • Required Parts
      • Retrofit Procedures
    • Zexel Compressor A/C System
      • Replacement Compressor Updating
      • Required Parts
      • Retrofit Procedures
    • Refrigerant/Oil Capacity Table
  • A/C Control Head - On Board Diagnostic Information
    • Overview
    • A/C Control Head on-Board Diagnostic (OBD) Display, Checking
    • On-Board Diagnostic (OBD) Display, Channels 1-61
    • Malfunctions Displayed on Diagnostic Channel 1
    • Diagnostic Channel 52 - Graphics Channel 1
    • Diagnostic Channel 53 - Graphics Channel 2
  • A/C - Climate Control Will Not Cool Diagnosis
  • Vehicle - Fluid Capacity Chart
  • Fresh Air Fan - Intermittently Switching to High Speed
  • A/C - Condensation in Ventilation System and Footwell
  • A/C - R134a Quick Reference