Communications Control Module: Service and Repair

2010 Honda Civic L4-1.8L CNGSECTION Service and Repair



HandsFreeLink Control Unit Input Test/Replacement

1. Remove the center console. Center Console Removal/Installation

2. Remove the console lower box. Overhaul

3. Disconnect the 28P connector (A) from the HandsFreeLink control unit (B).

4. Inspect the connector and socket terminals for a good pinfit to be sure they are all making good contact.
- If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.

- If the terminals look OK, go to step 5.

5. Reconnect the connector and make these input tests at the connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all the input tests prove OK, go to step 6.





6. Disconnect the 28P connector again, and make this input test at the connector.
- If the test indicates a problem, find and correct the cause, then recheck the system.

- If the input test proves OK, the HandsFreeLink control unit must be faulty, replace it.









RENDER: 1.0x

NO RELATED

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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.