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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1576 (Information And Entertainment System - General Information - Vehicles With: SONY Audio System (Except Electric) (2 Of2)) >> Diagnosis And Testing >> Information and Entertainment System >> Symptom Charts >> Symptom Chart: Speakers

Symptom Chart: Speakers

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
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 D 
A low frequency noise is heard from the speakers (2.3L only) Refer to the Pinpoint Test GO to Pinpoint Test E 
No sound from all speakers Refer to the Pinpoint Test GO to Pinpoint Test F 
Poor sound quality or distorted sound from one or more speakers (not all speakers) Refer to the Pinpoint Test GO to Pinpoint Test G 
The speed compensated volume does not operate correctly Refer to the Pinpoint Test GO to Pinpoint Test H 
The LHF door midwoofer speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test I 
The LHF door tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test J 
The center instrument panel speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test K 
The RHF door midwoofer speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test L 
The RHF door tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test M 
The RHR door midwoofer speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test N 
The RHR door tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test O 
The subwoofer speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test P 
The LHR door midwoofer speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test Q 
The LHR door tweeter speaker is inoperative Refer to the Pinpoint Test GO to Pinpoint Test R