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DTC Description

DTC DETECTION LOGIC 

DTC No. CONSULT screen terms(Trouble diagnosis content) DTC detection condition
B1F10-13 Microphone 2 Input[Active noise control microphone LH (front)] [OPEN] Diagnosis condition When ignition switch is ON.
Signal (terminal)
  • FRONT LH ANC MIC+ (terminal 69)
  • FRONT LH ANC MIC- (terminal 49)
Threshold Open
Diagnosis delay time 30 seconds or more
B1F10-01 [SHORT] Diagnosis condition When ignition switch is ON.
Signal (terminal)
  • FRONT LH ANC MIC+ (terminal 69)
  • FRONT LH ANC MIC- (terminal 49)
Threshold Short circuit
Diagnosis delay time 30 seconds or more
B1F10-11 [GND-SHORT] Diagnosis condition When ignition switch is ON.
Signal (terminal)
  • FRONT LH ANC MIC+ (terminal 69)
  • FRONT LH ANC MIC- (terminal 49)
Threshold Short to ground circuit
Diagnosis delay time 30 seconds or more
B1F10-12 [VB-SHOR] Diagnosis condition When ignition switch is ON.
Signal (terminal)
  • FRONT LH ANC MIC+ (terminal 69)
  • FRONT LH ANC MIC- (terminal 49)
Threshold Short to power supply circuit
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE 

FAIL-SAFE 

Active noise control microphone LH (front) inoperative