Inspection Procedure 8: The hands-free cellular phone system does not operate normally.



caution Whenever the multivision display is replaced, ensure that the power supply circuit and the earthing circuit are normal. (Check that the voltage is 10 V or more.)

COMMENTS ON TROUBLE SYMPTOM


If a hands-free cellular phone system does not function correctly, a Bluetooth® device is not paired or the multivision display may be defective.

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. Check whether the Bluetooth® device is supported.


Check whether the Bluetooth® device is supported.

Q. Is the check result normal?

Go to Step 2.
Use the supported Bluetooth® device.

STEP 2. Reset the MMES and check the trouble symptom.


1.
caution If the MMES is reset, all the data stored by customer will disappear. Therefore, prior to the reset, the agreement of the customer should be obtained.
Reset the MMES. (Refer to .)
2.Carry out the necessary pairing for the Bluetooth® device. (Refer to .)
3.Check whether the hands-free cellular phone system works normally.

Q. Is the check result normal?

The diagnosis is complete.
Replace the multivision display.