Mazda MX-3 silhouetteMX-3

Audio — Flowchart No.6: Noise occurs

J-16flowchart

Flowchart No.6 — Symptom: Noise occurs

Possible cause: • Defective or improperly installed audio unit • Ambient noise • Outside noise (vehicle-induced noise)

1. Defective or improperly installed audio unit

Defective or improperly installed audio unit — Problem / Action

Noise occurs only when radio is played
Action1. Troubleshoot according to flowchart No.3. (Refer to page J-12.) 2. Secure audio unit antenna feeder away from other wiring harnesses.
Noise occurs only when cassette tape is played
ActionTroubleshoot according to flowchart No.4. (Refer to page J-13.)
Noise occurs when radio or cassette tape is played
Action1. Troubleshoot according to flowchart No.5. (Refer to page J-14.) 2. Secure harness between audio unit and speakers away from other wiring harnesses.

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