INSPECTION PROCEDURE 9: The navigation sound is not output or the noise enters in the sound: Diagnosis
- STEP 1. Check if the navigation system sound volume setting is set to MIN.
Q: Is the navigation system sound volume setting set to MIN?
YES: Change the navigation sound volume setting.
NO: Go to Step 2.
- STEP 2. Check that the audio sound is output from the front left speaker.
Q: Is the audio sound output from the front left speaker?
YES: Go to Step 3.
NO: PERFORM INSPECTION PROCEDURE 20: ONLY THE FRONT LEFT SPEAKER DOES NOT SOUND (INCLUDING THE AUDIO SOUND) .
- STEP 3. Check the DIN cable connector shape and engagement between the navigation unit and the radio, the CD player, and CD changer.
Q: Is there any abnormality to the DIN cable connector shape and engagement between the navigation unit and the radio, CD player, and CD changer?
YES: Go to Step 4.
NO: Replace the DIN cable, the navigation unit, or the radio, CD player and CD changer. Check that the guidance sound is normal.
- STEP 4. DIN cable inspection between the navigation unit and the radio, CD player, and CD changer
Q: Is the DIN cable between the navigation unit and the radio, CD player, and CD changer normal?
YES: Go to Step 5.
NO: Replace the DIN cable. Check that the guidance sound is normal.
- STEP 5. Temporarily replace the navigation unit, and check that the guidance sound is normal.
Q: When the navigation unit is temporarily replaced, is the guidance sound normal?
YES: Replace the navigation unit. Check that the guidance sound is normal.
NO: Replace the radio, and the CD player and CD changer. Check that the guidance sound is normal.