Section 460 (HVAC Control System - General Information)
WARNING: This page is about a different car, the 2004 Mercury Marauder, 2004 Mercury Grand Marquis, and 2004 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
- Specification
- Description And Operation
- Diagnosis And Testing
- Climate Control System
- Notes
- Special Tool(s)
- Vacuum Schematic - Manual A/C
- Vacuum Connector End View - Manual A/C
- Vacuum Application Chart - Manual A/C
- Vacuum Schematic-Electronic Automatic Temperature Control
- Vacuum Connector End View - Electronic Automatic Temperature Control
- Vacuum Applications Chart - Electronic Automatic Temperature Control
- Inspection and Verification
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: DTC B1249 - Blend Door Failure Or Short
- Pinpoint Test B: DTC B1251 Or DTC B1253 - A/C In-Car Temperature Sensor Open Circuit Or Short To Ground
- Pinpoint Test C: DTC B1255 Or DTC B1257 - A/C Ambient Temperature Sensor Open Circuit Or Short To Ground
- Pinpoint Test D: DTC B1261 - A/C Solar Radiation Sensor Circuit Short To Ground
- Pinpoint Test E: No Communication With The Electronic Automatic Temperature Control (EATC) Module
- Pinpoint Test F: The EATC System Is Inoperative, Intermittent Or Incorrect Operation
- Pinpoint Test G: Incorrect/Erratic Direction Of Air Flow From Outlet - Manual Climate Control
- Pinpoint Test H: Incorrect/Erratic Direction Of Air Flow From Outlet - EATC
- Pinpoint Test I: Insufficient, Erratic, Or No Heat-EATC And Manual Climate Control
- Pinpoint Test J: The Air Conditioning (A/C) Is Inoperative/Does Not Operate Correctly
- Pinpoint Test K: The Air Conditioning (A/C) Is Always On
- Pinpoint Test L: Temperature Control Is Inoperative/Does Not Operate Correctly-Manual Climate Control
- Pinpoint Test M: The Blower Motor Is Inoperative - Manual Climate Control
- Pinpoint Test N: The Blower Motor Is Inoperative - EATC
- Pinpoint Test O: The Blower Motor Does Not Operate Correctly - Manual Climate Control
- Pinpoint Test P: The Blower Motor Does Not Operate Correctly - EATC
- Pinpoint Test Q: The Steering Wheel Control Switch Is Inoperative/Does Not Operate Correctly
- Component Tests
- Climate Control System
- General Procedures
- Air Conditioning (A/C) System Check - Retail Procedure
- Spring Lock Coupling
- Refrigerant System Tests
- Air Conditioning Line (Peanut) Fitting
- A/C Clutch Air Gap Adjustment
- Manifold Gauge Set Connection
- Electronic Leak Detection
- Fluorescent Dye Leak Detection
- Air Conditioning (A/C) System Flushing
- Air Conditioning (A/C) System Recovery, Evacuation and Charging
- Refrigerant System Filtering Following Air Conditioning (A/C) Compressor Installation
- Refrigerant Oil Adding
- Refrigerant Identification Testing
- Vacuum Hose Repair - Mini-Tube
- Air Conditioning (A/C) Odor Treatment