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how to fix Honda Civic 9th Generation (2012-2015) AC not blowing cold air - Honda Civic
Home/Cars/Honda/Civic/9th Generation (2012-2015)/how to fix Honda Civic 9th Generation (2012-2015) AC not blowing cold air

how to fix Honda Civic 9th Generation (2012-2015) AC not blowing cold air

Honda Civic 9th Generation (2012-2015)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
561 words

Problem Statement

Learn how to diagnose and fix the AC not blowing cold air in Honda Civic 9th Generation (2012-2015). Step-by-step guide with tools and procedures.

Affected Component
HVAC
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical components.
  • •Wear safety goggles and gloves when handling refrigerant.

Symptoms

  • •AC compressor not engaging
  • •Warm air blowing from vents
  • •Unusual noises from the AC compressor
  • •AC clutch not engaging
  • •Poor airflow from the vents

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •Refrigerant gauge set
  • •Safety goggles
  • •Gloves
  • •Socket set
  • •Screwdrivers
  • •Pliers
  • •AC manifold gauge set
  • •Multimeter

Parts Required

  • •Refrigerant (R-134a)
  • •AC compressor (if faulty)
  • •AC condenser (if damaged)
  • •Cabin air filter

Additional Information

Affected Component
HVAC
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
8 items
Parts Required
4 items

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Solution
1. Preparation
  • Gather all necessary tools and parts.
  • Disconnect the vehicle battery to ensure safety while working on electrical components.
2. Check and Recharge Refrigerant
  • Tools Required: Refrigerant gauge set, refrigerant (R-134a), safety goggles, gloves.
  • Sub-steps:
    1. Connect the low-pressure side of the refrigerant gauge to the AC service port.
    2. Start the engine and turn the AC to the maximum setting.
    3. Read the pressure on the gauge; it should be between 25-45 psi for proper operation.
    4. If the pressure is low, add refrigerant slowly until the correct pressure is reached.
    5. Monitor the system for a few minutes to ensure proper cooling.
3. Inspect and Replace AC Components
  • Tools Required: Socket set, screwdrivers, pliers, AC manifold gauge set, replacement parts as needed.
  • Sub-steps:
    1. If refrigerant was insufficient, inspect for leaks at the condenser, evaporator, and hoses; use soap solution to check for leaks.
    2. Replace any damaged components, such as the AC compressor or condenser, as necessary.
    3. If the compressor clutch is not engaging, check the wiring and connector for damage; repair or replace as needed.
    4. Replace the cabin air filter if it is obstructed.
4. Electrical System Check
  • Tools Required: Multimeter.
  • Sub-steps:
    1. Locate the AC fuse box and visually inspect the AC fuse.
    2. Use a multimeter to check for continuity in the fuse and replace if necessary.
    3. Test the AC relay by switching it with another relay of the same type (if available) to determine if it is functioning properly.