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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Audio System & Navigation System (DTCS) (1 Of 2) >> Multi Av (Av Control Unit) >> DTC B1328-13: Microphone >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B1328-13

External microphone 1

(External microphone 1)

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Microphone signal

Threshold

1.9 V or less

Diagnosis delay time

1 second or more