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Audio System Symptom Troubleshooting - No sound is heard from speaker(s) (display is normal)

No sound is heard from the speaker(s) (display is normal)
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.
  • Set the VOL knob except MIN position.
Do any or all of the speakers fail to sound?
YES -
  • If at least one speaker is OK, go to Step 6 .
  • If all speakers fail to sound, go to Step 2 .
NO -
System is OK at this time. Check for poor connections at the audio unit and speakers.■
  1. Make sure the ignition switch to LOCK (0).
  1. Remove the audio unit and disconnect audio unit connector A (24P).
    NOTE: Eject the CD before removing the audio unit to prevent damaging the CD player's load mechanism.
  1. Check for continuity between audio unit connector A (24P) No. 14 terminal and body ground according to the table.
    Speaker
    Audio unit connector
    Wire color
    Left front door speaker
    A23 (+)
    LT BLU
    A22 (−)
    LT GRN
    Right front door speaker
    A19 (+)
    BRN
    A18 (−)
    RED
    Left rear door speaker
    A11 (+)
    GRY
    A10 (−)
    BRN
    Right rear door speaker
    A7 (+)
    BLU
    A6 (−)
    ORN

Is there continuity?
YES -
Repair short to body ground in the wire(s) between the audio unit and the faulty speaker(s).
NO -
Go to Step 5 .
Is the speaker OK?
YES -
Go to Step 13 .■
NO -
Replace the speaker(s) and recheck.■
  1. Make sure the ignition switch to LOCK (0).
  1. Check the faulty speaker(s) face for damage.
Is there any damage?
YES -
Replace the speaker(s) and recheck.■
NO -
Go to Step 8 .
Is the speaker OK?
YES -
Go to Step 9 .
NO -
Replace the speaker(s) and recheck.■
  1. Remove the audio unit and disconnect audio unit connector A (24P).
    NOTE: Eject the CD before removing the audio unit to prevent damaging the CD player's load mechanism.
  1. Connect the speaker connector terminal (+) and (−) with a jumper wire.

  1. Check for continuity between both pairs of speaker wires (+) and (−) at audio unit connector A (24P) according to the table.
    Speaker
    Audio unit connector
    Wire color
    Left front door speaker
    A23 (+)
    LT BLU
    A22 (−)
    LT GRN
    Right front door speaker
    A19 (+)
    BRN
    A18 (−)
    RED
    Left rear door speaker
    A11 (+)
    GRY
    A10 (−)
    BRN
    Right rear door speaker
    A7 (+)
    BLU
    A6 (−)
    ORN

Is there continuity?
YES -
Go to Step 12 .
NO -
Repair open in the wires between the audio unit and the faulty speaker(s).■
  1. Disconnect the jumper wire.

  1. While disconnecting the speaker connector(s), check for continuity between both pairs of speaker wires (+) and (−) at audio unit connector A (24P) according to the table.
    Speaker
    Audio unit connector
    Wire color
    Left front door speaker
    A23 (+)
    LT BLU
    A22 (−)
    LT GRN
    Right front door speaker
    A19 (+)
    BRN
    A18 (−)
    RED
    Left rear door speaker
    A11 (+)
    GRY
    A10 (−)
    BRN
    Right rear door speaker
    A7 (+)
    BLU
    A6 (−)
    ORN

Is there continuity?
YES -
Repair short in the wire(s) between the audio unit and the faulty speaker(s).■
NO -