NO.4 SOUND JUMPS [CD PLAYER/CHANGER]
id0903e5806200
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4 |
Sound jumps |
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Possible DTC |
— |
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POSSIBLECAUSE
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• Audio unit malfunction (with audio system)
• Car-navigation unit malfunction (with car-navigation system)
• Defective CD (e.g., cracked, badly bent, rough edges, scratch, dirty CD, condensation)
• Improper audio unit installation (e.g., rattle, loose)
• Inadequate tire pressure
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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• Does the sound jump when the vehicle is stopped?
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Yes
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Go to Step 6.
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No
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Go to the next step.
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2
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• Drive the vehicle.
• Does the sound jump when driving over uneven surfaces?
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Yes
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Go to the next step.
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No
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Go to Step 6.
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3
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• Is the audio unit installed securely?
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Yes
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Go to the next step.
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No
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Install the audio unit securely.
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4
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• Inspect the tire pressure.
• Is the tire pressure normal?
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Yes
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Replace the audio unit (with audio system).
(See: AUDIO UNIT REMOVAL/INSTALLATION.)
Replace the car-navigation unit (with car-navigation system).
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No
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Go to the next step.
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5
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• Adjust the tire pressure within specification.
• Does the sound jump when driving the vehicle?
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Yes
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Replace the audio unit (with audio system).
(See: AUDIO UNIT REMOVAL/INSTALLATION.)
Replace the car-navigation unit (with car-navigation system).
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No
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Audio system is normal. Explain repairs to the customers.
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6
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• Replace the CD known to be good.
• Does the sound jump when driving the vehicle?
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Yes
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Replace the audio unit (with audio system).
(See: AUDIO UNIT REMOVAL/INSTALLATION.)
Replace the car-navigation unit (with car-navigation system).
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No
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Audio system is normal. Explain to the customer that the CD is malfunctioning.
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