Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1997CROWN VICTORIA POLICE INTERCEPTOR, 4.6 WREPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHVAC SYSTEM - AUTOMATIC
1997 Ford Crown Victoria Police Interceptor, 4.6 W
HVAC System - Automatic
1997 Ford Crown Victoria Police Interceptor, 4.6 WSECTION HVAC System - Automatic
- A/C System Specifications
- Description
- Operation
- Trouble Shooting
- Notes
- Preliminary Inspection
- Self-Diagnostic Test
- Symptom Diagnosis
- Notes
- Ambient Temperature Sensor Inoperative
- EATC System Inoperative, Intermittent or Improper Operation
- Blower Motor Does Not Run
- Blower Motor Inoperative In All Lower Speed Settings
- Blower Motor Inoperative In High Speed Setting
- Blower Motor Runs In High Speed Regardless Of Switch Setting
- Display Does Not Illuminate
- Control Panel Display Does Not Switch Between °F & °C
- Control Panel Temp. Setting Is Not Retained In Memory
- No Communication With EATC Module
- No Temperature Control
- Sunload Sensor Inoperative
- Temp Blend Door Actuator Motor Inoperative, Intermittent Or Improper Operation
- Test A (EATC System)
- Test B - Temp. Blend Door Actuator
- Test C - Ambient Temperature Sensor
- Test D - SUNLOAD Sensor
- Test E - Display Does Not Illuminate
- Test F - Display Does Not Switch Between °F & °C
- Test G - System Does Not Control Temperature
- Test H - Temperature Setting Is Not Retained In Memory
- Test J - Blower Motor Inoperative
- Test K - Blower Motor Runs At High Speed In All Settings
- Test L - Blower Motor Does Not Run At Low Speeds
- Test M - Blower Motor Does Not Run At High Speed
- Test N - No Communication With EATC Module
- Testing
- Removal & Installation
- Notes
- Accumulator-Drier
- A/C Cycling Switch
- Blower Motor
- A/C Compressor
- Pressure Relief Valve
- Condenser
- Electronic Automatic Temperature Control (EATC) Module
- Evaporator Core
- Instrument Panel
- Plenum & Heater Core
- Automatic Temperature Control Sensor
- Ambient Temperature Sensor
- SUNLOAD Sensor
- Temperature Blend Door Actuator
- Vacuum Control Motors
- Torque Specifications
- Wiring Diagram
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.