Navigation System The Other Caller Cannot Hear Your Voice, Or Your Voice Is Too Quiet Or Distorted

INSPECTION PROCEDURE

CHECK CELLULAR PHONE

CHECK SETTINGS

CHECK MICROPHONE LEVEL (OPERATION CHECK)

INSPECTION PROCEDURE

HINT:

If an outlet of the air conditioning system is facing the microphone, noise may be recorded and the other caller may not be able to hear your voice properly.

1. Check if the other caller can hear your voice properly.
   

   OK:

   Your voice can be heard properly.
   

   HINT:

   The purpose of this step is to inspect the cellular phone when it is not connected to the vehicle.

1. Display the screen on the telephone.
   

2. Check that the "Mute Call" switch is not set to on.
   

   OK:

   "Mute Call" switch is not set to on.
   

   Text in Illustration

   *a

   Example

1. Enter the "Microphone Level Test" screen. Refer to Check Microphone Level in Operation Check (COROLLA_ZRE142 RM000003SKF0AEX.html)

   OK
   REPLACE EXTENSION MODULE (COROLLA_ZRE142 RM000002XAJ01FX.html)