Section 2 (A/C-Heater System - Automatic)
WARNING: This page is about a different car, the 1999 Lincoln Navigator and 1999 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description
- Operation
- Trouble Shooting
- Self-Diagnostics
- Notes
- Entering Self-Diagnostics
- Exiting Self-Diagnostics
- Symptom Diagnosis
- DTC B1249 Test: Blend Door Failure
- DTC B1251/B1253 Test: In-Car Temperature Sensor Circuit Open Or Shorted
- DTC B1255/B1257 Test: Ambient Temperature Sensor Circuit Open Or Shorted
- DTC B1261 Test: SUNLOAD Sensor Circuit Shorted
- Test A: No Communication With EATC Module
- Test B: EATC System Inoperative, Intermittent Or Operates Improperly
- Test C: Improper/Erratic Airflow Direction
- Test D: A/C Does Not Operate Or Does Not Operate Properly
- Test E: Blower Motor Does Not Operate
- Test F: Blower Motor Operates Continuously In High Speed
- Test G: Blower Motor Does Not Operate In Some Settings
- Test H: Temperature Set Point Does Not Repeat After Turning Ignition Off
- Test J: Temperature Display Will Not Switch Between CELSIUS & FAHRENHEIT
- Test K: One Or More Steering Wheel Control Switches Is Inoperative
- Test L: Auxiliary Blower Motor Does Not Operate
- Test M: Console Blower Motor Does Not Operate
- Test N: Insufficient, Erratic Or No Heat
- Test O: A/C Is Always On
- Test P: Insufficient A/C Cooling
- Test Q: Auxiliary Blower Motor Does Not Operate Properly
- Test R: Auxiliary Blower Motor Does Not Operate Using Rear Auxiliary Blower Motor Switch
- Test S: Panel/Floor Control Does Not Operate Using Front/Rear Auxiliary Controls
- Test T: Temperature Control Does Not Operate Using Front/Rear Auxiliary Climate Controls
- Test U: Panel/Floor & Cool/Warm Controls Do Not Operate On Front/Rear Auxiliary Controls
- Test V: Panel/Floor Switch Does Not Operate; Console Blower Does Operate
- Test W: Auxiliary Controls Operational With Function Selector Switch In Off Position
- Test X: Rear Auxiliary Blower Motor Switch Operates Only In Hi Position
- Testing
- Removal & Installation
- Notes
- Compressor
- Condenser
- Manifold & Tube Assembly
- Accumulator-Drier
- A/C-Heater Control Panel
- Evaporator Core
- Evaporator & Heater Core
- Fixed Orifice Tube
- Heater Core
- Main Blower Motor
- Center Console Blower Motor
- Auxiliary System Blower Motor
- A/C-Heater Assembly
- Thermostatic Expansion Valve
- Front Center Console
- Instrument Panel
- Electronic Blend Door Actuator
- Blower Motor Speed Controller
- A/C SUNLOAD Sensor
- In-Car Temperature Sensor
- Panel/Floor Door Vacuum Control Motor
- Air Inlet Door Vacuum Control Motor
- Torque Specifications
- Vacuum Hose Diagram(S)
- Wiring Diagrams