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Home >> Lexus >> 2020 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio And Visual System (12.3 Inch Display) (Diagnostic Codes & Symptom Tests) >> AUDIO AND VISUAL SYSTEM (for 12.3 Inch Display) >> DTC B1579: Voice Recognition Microphone Disconnected [08/2019 - ] >> Description

DTC B1579: Voice Recognition Microphone Disconnected [08/2019 - ]: Description

The radio receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines.

This DTC is stored when a microphone connection detection signal line is disconnected.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1579 Voice Recognition Microphone Disconnected Microphone signal is lost.
  • Telephone microphone assembly
  • Radio receiver assembly
  • Harness or connector
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