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Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1120 (Information System And Entertainment Systems - General Information (2 Of 2)) >> Diagnosis And Testing >> Information and Entertainment System >> Symptom Charts >> Symptom Chart: Speakers and Sound Quality

Symptom Chart: Speakers and Sound Quality

WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods

Condition Possible Sources Actions
A loud popping sound is heard from the speakers when cycling the ignition Refer to the Pinpoint Test GO to Pinpoint Test C 
A low frequency noise is heard from the speakers Refer to the Pinpoint Test GO to Pinpoint Test D 
The ANC feature is inoperative (if equipped) Refer to the Pinpoint Test GO to Pinpoint Test D 
No sound from all speakers Refer to the Pinpoint Test GO to Pinpoint Test E 
The left speakers are inoperative when using Bluetooth and media hub SYNC features Refer to the Pinpoint Test GO to Pinpoint Test M 
The right speakers are inoperative when using Bluetooth and media hub SYNC features Refer to the Pinpoint Test GO to Pinpoint Test M 
The left speakers are inoperative when using the CD changer input Refer to the Pinpoint Test GO to Pinpoint Test N 
The right speakers are inoperative when using the CD changer input Refer to the Pinpoint Test GO to Pinpoint Test N 
Poor sound quality or distorted sound from one or more speakers (not all speakers) Refer to the Pinpoint Test GO to Pinpoint Test F 
The speed compensated volume does not operate correctly Refer to the Pinpoint Test GO to Pinpoint Test G 
The instrument panel center speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H 
The left A-pillar tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H 
The right A-pillar tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H 
The left front door speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H 
The right front door speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H 
The left rear door tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H 
The right rear door tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H 
The left rear door woofer speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H 
The right rear door woofer speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H 
The left D-pillar tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H 
The right D-pillar tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H 
The subwoofer speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test H