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why does my Honda Accord 9th Generation (2013-2017) AC compressor not engage - Honda Accord
Home/Cars/Honda/Accord/Eleventh Generation (2023-present)/why does my Honda Accord 9th Generation (2013-2017) AC compressor not engage

why does my Honda Accord 9th Generation (2013-2017) AC compressor not engage

Honda Accord Eleventh Generation (2023-present)

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

Problem Statement

Learn how to diagnose and fix the AC compressor not engaging in a 2013-2017 Honda Accord. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
HVAC
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical components.
  • •Allow the engine to cool before performing any maintenance on the AC system.

Symptoms

  • •AC compressor clutch not engaging
  • •Warm air blowing from the AC vents
  • •AC system making clicking or buzzing noises
  • •Check engine light illuminated (if related to AC system)
  • •Increased cabin humidity

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

  • •Manifold gauge set
  • •Multimeter
  • •Fuse puller or needle-nose pliers
  • •OBD-II scanner

Parts Required

  • •AC compressor fuse
  • •AC pressure switch
  • •Refrigerant (R-134a)

Additional Information

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

Related Faults

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Solution
1. Preparation
  • Gather tools and parts.
  • Disconnect the negative terminal of the battery to ensure safety.
2. Check and Recharge Refrigerant
  • Tools Required: Manifold gauge set.
  • Connect the manifold gauges to the low and high-pressure service ports on the AC system.
  • Start the engine and turn the AC to maximum cold.
  • Check pressure readings. If low, add the appropriate type and amount of refrigerant (R-134a for this model) as per specifications.
3. Inspect and Replace AC Compressor Fuse and Relay
  • Tools Required: Fuse puller or needle-nose pliers.
  • Locate the fuse box under the dashboard or engine compartment.
  • Remove and inspect the AC compressor fuse; replace if blown.
  • Check the relay by swapping it with a similar one in the fuse box, or test it using a multimeter. Replace if faulty.
4. Test and Replace AC Pressure Switch
  • Tools Required: Multimeter.
  • Locate the AC pressure switch on the receiver/drier or accumulator.
  • Disconnect the electrical connector and use a multimeter to test for continuity.
  • If no continuity is found, replace the switch.
5. Inspect Wiring and Connectors
  • Visually inspect the wiring harness connected to the AC compressor and pressure switch for any signs of fraying or corrosion.
  • If damaged, repair the wiring or replace the connectors as necessary.
6. Verify Operation of AC Control Switch
  • Tools Required: OBD-II scanner.
  • Using the scanner, check for any faults related to the AC control module.
  • If necessary, replace the AC control switch if it’s found to be non-functional.