Inspection Procedure 3: During the conversation with the hands free cellular phone system, the voice of other party cannot be heard.


FUNCTION



COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of the hands free-ECU
  • Malfunction of the radio and CD player <vehicles without MMCS> or multivision display <vehicles with MMCS>

DIAGNOSIS PROCEDURE

STEP 1. Check the cellular phone.
Check that the cellular phone can be used normally as a unit.

Q. Is the check result normally?
Go to Step 2.
Repair or replace the cellular phone.

STEP 2. Check the radio and CD player <vehicles without MMCS> or multivision display <vehicles with MMCS>.
Check that the sound of radio and CD player <vehicles without MMCS> or multivision display <vehicles with MMCS> is output normally from the speaker.

Q. Is the check result normally?
Replace the hands free-ECU.
Diagnose the radio and CD player <vehicles without MMCS> or multivision display <vehicles with MMCS>. Refer to Radio and CD player - Diagnosis <vehicles without MMCS> or MMCS - Diagnosis <vehicles with MMCS>.