Inspection Procedure 5

INSPECTION PROCEDURE 5: The Cellular Phone Is Not Recognized Or The Connection Cannot Be Established.

CAUTION: Before replacing the module, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.

FUNCTION
With the hands free cellular phone system, the cellular phone and hands free module communicate with each other by using Bluetooth(R).

TROUBLE JUDGMENT CONDITIONS
When the cellular phone cannot be recognized or the communication cannot be established, the cellular phone or hands-free module may be defective.

TROUBLESHOOTING HINTS
- The cellular phone may be defective.
- The hands free module may be defective.

DIAGNOSIS

STEP 1. Check the cellular phone.

Check that the cellular phone can be used normally as a unit.

Q: Is it possible to use the cellular phone normally?

YES : Go to Step 2.

NO : Repair or replace the cellular phone.

STEP 2. Check the position of cellular phone.

Check that the function becomes normal when the cellular phone is moved closer to the hands free module.

Q: Does the function become normal when the cellular phone is moved closer to the hands free module?

YES : No action is necessary and testing is complete.

NO : Go to Step 3.

STEP 3. Check the registration method of cellular phone.

Check that the cellular phone was registered to the hands free module by following the normal procedure.

Q: Was the cellular phone registered by following the normal procedure?

YES : Check the trouble symptom, and finish when it is normal. When the abnormality is present, go to Step 4.

NO : Register a cellular phone according to a regular procedure.

STEP 4. Temporarily replace the cellular phone, and check the trouble symptom.

Temporarily register a separate Bluetooth(R)-supported cellular phone, and check that the hands free cellular phone system operates normally.

Q: Is the normal conversation possible with the hands free system?

YES : Ask the customer to have the cellular phone repaired or replaced. Then, delete the temporarily registered cellular phone. Once the customer prepares the normally-working cellular phone, register the cellular phone to the hands free module.

NO : Replace the hands free module.