( TL19E00J10300000000FAAT06 )

Audio System Symptom Troubleshooting - No sound is heard from the speaker(s) (display is normal) (without premium audio system)

No Sound is heard from the speaker(s) (display is normal) (without premium audio system)
NOTE:

- Check the vehicle battery condition first.
- Check the connectors for poor connections or loose terminals.
- Set the fader and balance positions to the center.
- Before doing symptom troubleshooting, do the audio unit power switch will not turn on troubleshooting.

1. Turn the ignition switch to ON (II).

1. Turn on the audio unit and make sure the volume button is not set to the MIN level.

Is it at the MIN level?

YES | - | Raise the volume level, and recheck the function.■
NO | - | Go to Step 3 .

1. Go to the speaker check mode in the audio system self-diagnostic function.

Do all speakers produce a tone?

YES | - | Intermittent failure; the system is OK at this time. Check for poor connections at the audio unit and speakers.
NO | - | Go to Step 4 .

1. Turn the ignition switch to LOCK (0).

1. Check the speaker with 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 terminals No. 1 and No. 2 of the speaker.
   NOTE: If the problem is in the front door speakers, measure the resistance of the door speaker and the door tweeter.

Is there about 4 Ω?

YES | - | Go to Step 9 .
NO | - | Replace the faulty speaker(s).■

1. Remove the audio unit. Disconnect audio unit connector A (24P).
   NOTE: Eject all the CDs before removing the audio unit and CD changer to prevent damaging the CD player's load mechanism.

1. Check the resistance between the following terminals of audio unit connector A (24P) according to the table.

   Speaker | Terminal | Wire color
   --- | --- | ---
   Left front door speaker, Left front door tweeter | A23 (+) | LT GRN
   A22 (−) | PNK
   Right front door speaker, Right front door tweeter | A19 (+) | GRY
   A18 (−) | RED
   Left rear speaker | A11 (+) | YEL
   A10 (−) | BRN
   Right rear speaker | A7 (+) | BLU
   A6 (−) | ORN

Is there continuity?

YES | - | Go to Step 11 .
NO | - | Repair an open in the wires between the audio unit and speaker(s).■

1. Disconnect the speaker 2P connector.

1. Check for continuity between audio unit connector A (24P) and body ground according to the table.

   Audio unit connector | Wire color
   --- | ---
   A6 | ORN
   A7 | BLU
   A10 | BRN
   A11 | YEL
   A18 | RED
   A19 | GRY
   A22 | PNK
   A23 | LT GRN

Is there continuity?

YES | - | Repair short to body ground in the wire(s) between the audio unit and speaker(s).■
NO | - | Substitute a known-good audio unit, and recheck. If the symptom/indication goes away, replace the original audio unit. ■