Inspection Procedure 5
Inspection Procedure 5: The cellular phone is not recognized or the connection cannot be established.FUNCTION
With the hands-free cellular phone system, the cellular phone and hands-free module communicate with each other by using Bluetooth".
TROUBLE JUDGEMENT 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
- Malfunction of the cellular phone
- Malfunction of the hands-free module
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.
By referring to the operation manuals, 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"-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.