Section 1115 (Climate Control System - General Information And Diagnostics)
WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Diagnostic Tests
- Climate Control System
- Notes
- Inspection and Verification
- Electronic Automatic Temperature Control (EATC) Module - Diagnostic Methods
- Diagnostic Trouble Code (DTC) Chart
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: DTC B1251 or DTC B1253 - A/C In-Vehicle Temperature Sensor Open Circuit or Short to Ground
- Pinpoint Test B: DTC B1255 or DTC B1257 - A/C Ambient Temperature Sensor Open Circuit or Short to Ground
- Pinpoint Test C: DTC B2426, DTC B2427, DTC B2795 or DTC B2796 - A/C Solar Radiation Sensor Open Circuit or Short to Ground
- Pinpoint Test D: DTC B1947 or DTC B2014 - Evaporator Temperature Sensor Circuit Open or Short to Ground
- Pinpoint Test E: Air Inlet Door is Inoperative
- Pinpoint Test F: Incorrect/Erratic Direction of Airflow From Outlet(s)
- Pinpoint Test G: DTC: B1318 - Battery Voltage Low
- Pinpoint Test H: The EATC System is Inoperative, Intermittent or Incorrect Operation
- Pinpoint Test I: Insufficient, Erratic or No Heat
- 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: The Blower Motor is Inoperative - EMTC
- Pinpoint Test M: The Blower Motor Does Not Operate Correctly- EMTC
- Pinpoint Test N: The Blower Motor is Inoperative - EATC
- Pinpoint Test O: The Blower Motor Does Not Operate Correctly - EATC
- Pinpoint Test P: DTC B2268 or DTC B2269 - Steering Wheel Control Switch Open Circuit or Short to Ground
- Component Tests
- Temperature Sensor - Evaporator Discharge
- In-Vehicle Temperature Sensor
- Ambient Temperature Sensor
- Defrost/Panel/Floor Door and Blend Door Mode Actuator
- Blower Motor Resistor
- Blower Motor Switch - EMTC
- Heater Core
- Heater Core - Plugged
- Heater Core - Pressure Test
- Heater Core - Bench Test
- Evaporator/Condenser Core - On-Vehicle Leak Test
- A/C Compressor - External Leak Test
- Climate Control System
- General Procedures
- Refrigerant System Tests
- Fluorescent Dye Leak Detection
- Electronic Leak Detection
- Air Conditioning (A/C) System Recovery, Evacuation and Charging
- Air Conditioning (A/C) System Flushing
- Refrigerant System Filtering Following Air Conditioning (A/C) Compressor Installation
- Refrigerant Oil Adding
- Refrigerant Identification Testing