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 MANUALSVOLKSWAGEN2013BEETLE R-LINE, 2.0L ENG VIN TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 185 (HVAC CONTROL SYSTEM - GENERAL INFORMATION)
2013 Volkswagen Beetle R-Line, 2.0L Eng VIN T
Section 185 (HVAC Control System - General Information)
2013 Volkswagen Beetle R-Line, 2.0L Eng VIN TSECTION Section 185 (HVAC Control System - General Information)
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Diagnosis And Testing
- Climate Control System
- Notes
- Special Tool(s)
- Inspection and Verification
- Electronic Automatic Temperature Control Module - Diagnostic Methods
- Diagnostic Trouble Code Index
- Symptom Chart
- Connector Circuit Reference
- 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 B2796 or DTC B2795 - Solar Radiation Sensor Open Circuit or Short to Ground
- Pinpoint Test D: DTC B1242 Air Inlet Door Short/Failure
- Pinpoint Test E: Incorrect/Erratic Direction of Airflow From Outlet(s)
- Pinpoint Test F: No Communication With The Electronic Automatic Temperature Control (EATC) Module
- Pinpoint Test G: The EATC System is Inoperative, Intermittent or Incorrect Operation
- Pinpoint Test H: Insufficient, Erratic or No Heat
- Pinpoint Test I: The A/C Does Not Operate/Does Not Operate Correctly
- Pinpoint Test J: The A/C Is Always On
- Pinpoint Test K: Temperature Control Is Inoperative/Does Not Operate Correctly
- 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: The Auxiliary Blower Motor Is Inoperative
- Pinpoint Test Q: The Auxiliary Blower Motor Does Not Operate Correctly
- Pinpoint Test R: The Auxiliary Temperature Control Only Is Inoperative/Does Not Operate Correctly
- Pinpoint Test S: The Auxiliary Panel/Floor Control Only Is Inoperative/Does Not Operate Correctly
- Pinpoint Test T: The Auxiliary Temperature/Panel/Floor and Blower Motor Control Is Inoperative/Does Not Operate Correctly
- Component Tests
- Climate Control System
- General Procedures
- Air Conditioning (A/C) System Check - Retail Procedure
- Air Conditioning Line (Peanut) Fitting
- Air Conditioning (A/C) Clutch Air Gap Adjustment
- Fluorescent Dye Leak Detection
- Electronic Leak Detection
- Air Conditioning (A/C) System Flushing
- Air Conditioning (A/C) System Recovery, Evacuation and Charging
- Refrigerant Oil Adding
- Refrigerant Identification Testing
- Air Conditioning (A/C) Odor Treatment
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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.