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how to fix the Honda CR-V Fifth Generation (2017-2022) AC compressor not turning on? - Honda CR-V
Home/Cars/Honda/CR-V/6th Gen (2023-Present)/how to fix the Honda CR-V Fifth Generation (2017-2022) AC compressor not turning on?

how to fix the Honda CR-V Fifth Generation (2017-2022) AC compressor not turning on?

Honda CR-V 6th Gen (2023-Present)

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

Problem Statement

Learn how to diagnose and fix the AC compressor not turning on in Honda CR-V (2017-2022). Step-by-step guide with symptoms, tools, 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 systems.
  • •Allow the engine to cool before starting repairs.

Symptoms

  • •AC compressor does not engage when the AC is turned on
  • •Warm air blowing from the vents
  • •AC system makes a clicking or whining noise when attempting to engage
  • •Dashboard AC indicator light may not illuminate
  • •Increased interior humidity levels

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

  • •Multimeter
  • •AC manifold gauge set
  • •Socket set
  • •Fuse puller or needle-nose pliers
  • •AC clutch removal tool

Parts Required

  • •AC fuse and relay
  • •Refrigerant (R134a)
  • •AC compressor (if damaged)
  • •AC pressure switch (if faulty)

Additional Information

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

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Solution
1. Preparation
  • Gather tools and parts required for the repair.
  • Disconnect the vehicle's battery to avoid electrical shock.
  • Allow the engine to cool before starting work on the AC system.
2. Check and Replace Fuses/Relays
  • Tools Required: Fuse puller or needle-nose pliers
  • Locate the fuse box under the dashboard or hood.
  • Remove the AC fuse and inspect it. Replace with a new fuse if blown.
  • Check the AC relay; replace if it is faulty.
3. Recharge Refrigerant
  • Tools Required: AC manifold gauge set, refrigerant
  • Connect the low-pressure side of the manifold gauge to the AC service port.
  • Start the engine and turn the AC to the maximum setting.
  • Check the refrigerant level; if low, add refrigerant until it reaches the manufacturer's specifications.
4. Inspect and Replace AC Clutch
  • Tools Required: Socket set, AC clutch removal tool
  • Remove the AC compressor from the vehicle by disconnecting the necessary bolts and electrical connectors.
  • Inspect the AC clutch for wear or damage.
  • If damaged, replace the AC compressor or clutch assembly as necessary.
5. Replace the AC Pressure Switch
  • Tools Required: Socket set
  • Locate the AC pressure switch on the AC line.
  • Disconnect the electrical connector from the switch.
  • Remove the switch using a socket set and replace it with a new one, ensuring it is tightened to the manufacturer's specifications.