Audio System Symptom Troubleshooting - No sound is heard from speakers (display is normal)
No sound is heard from speakers (display is normal)
NOTE:
  1. Check that the volume button is not set to min level.
Is it at MIN level?
YES -
Raise the volume level, and recheck the function.■
NO -
  1. Check the NAVIGATION MUTE MODE.
Is the NAVIGATION MUTE MODE set?
YES -
Cancel the NAVIGATION MUTE MODE by depressing the voice command back button, and recheck the function.■
NO -
Go to Step 3 .
  1. Check to see if there is a specific speaker that has no sound.
Is there a specific one?
YES -
Go to Step 4 .
NO -
Go to Step 7 .
  1. Turn the ignition switch OFF.
  1. Check the speaker with no sound for any damage.
Is there any damage?
YES -
Substitute the speaker and recheck.■
NO -
Go to Step 6 .
  1. Remove the speaker(s) with no sound, and disconnect its connector.
  1. Check the speaker 2P connector for a loose or poor connection.
Reconnect the speaker 2P connector and recheck the symptom; does it still fail?
YES -
Go to Step 8 .
NO -
Operation is normal.■
  1. Measure the resistance between the No. 1 and No. 2 terminals of the speaker connector.
Is there about 4 Ω?
YES -
Go to Step 9 .
NO -
Faulty speaker(s).■
  1. Reconnect the speaker and remove the audio unit. Disconnect the audio unit connector A (17P).
  1. Check the resistance between following terminals of audio unit connector A (17P) according to the table.
    Speaker
    Terminal
    Wire color
    Left door speaker, Left tweeter
    A12 (+)
    LT GRN
    A3 (−)
    LT BLU
    Right door speaker, Right tweeter
    A15 (+)
    GRY
    A7 (−)
    BRN
    Left rear speaker
    A11 (+)
    YEL
    A2 (−)
    BRN
    Right rear speaker
    A16 (+)
    BLU
    A8 (−)
    ORN

Is there more than 4 Ω?
YES -
Go to Step 11 .
NO -
Repair an open in the wire between the audio unit and speaker.■
  1. Disconnect the speaker 2P connector.
  1. Check for continuity between body ground and audio unit connector A (17P) terminals No. 2, 3, 7, 8, 11, 12, 15 and 16 individually.
Is there continuity?
YES -
Repair short to body ground in the wire between the audio unit and speaker.■
NO -
Substitute a known-good audio unit and recheck. If the symptom/ indication goes away, replace the original audio unit.■