Voice Guide Operation Check

1. Turn ignition switch to ACC position.
2. Insert the music CD into the radio and CD player.
3. Try to play the music CD.

Is the sound emitted from all speakers? 

Yes or No 

OK: GO TO 2.

NG: Repair or replace audio system.

1. Disconnect audio unit connector.
2. Push "VOICE" button.
3. check voltage between terminal 28 and ground.
   Fig 1: Checking NAVI Operation On Signal

   

OK or NG 

OK: GO TO 3.

NG: Repair or replace harness or NAVI control unit.

1. Push "VOICE" button.
2. Check voltage between NAVI control unit terminal 42 or 43 and ground.
   Fig 2: Checking Voice Signal

   

OK or NG 

OK: GO TO 4.

NG: Repairor replace NAVI control unit.

1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and AUDIO unit connector.
3. Check continuity between NAVI control unit terminal 42 and AUDIO unit terminal 36.
4. Check continuity between NAVI control unit terminal 43 and AUDIO unit terminal 34.
   Fig 3: Checking Voice Signal Circuit

   

Yes or No 

Yes: Repair or replace audio unit.

No: Repair or replace harness or connector.