HandsFreeLink Control Unit Input Test

HandsFreeLink Control Unit Input Test

1. Remove the HandsFreeLink control unit Service and Repair.

2. Inspect the connector (A) and socket (B) terminals for a good pin fit 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 3.





3. 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 4.





4. Disconnect the 28P connector again, and make this input test at the connector.

- If the test indicates a problem, find and correct the cause and check for B-CAN related DTCs, then recheck the system.
- If the input test proves OK, the HandsFreeLink control unit is faulty, replace it.