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Home >> Infiniti >> 2011 >> G37 Base, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 51 (Audio System, Visual System & Navigation System (BOSE Audio With Navigation) -- G37 Convertible) >> DTC/Circuit Diagnosis >> DTC U1901, U1907: Door Squawker/Tweeter >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

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DTC DETECTION LOGIC CHART

DTC Display contents of CONSULT-III DTC detection condition Possible malfunction factor
U1901 FR-DOOR SPEAKER [OPEN, SHORT, GND-SHORT or VB-SHOR] [U1901] When either one of the following items are detected:
  • sound signal circuits between BOSE amp. and door squawker RH are malfunctioning.
  • sound signal circuits between BOSE amp. and tweeter RH are malfunctioning.
  • Sound signal circuits between BOSE amp. and door squawker RH.
  • Sound signal circuits between BOSE amp. and tweeter RH.
U1907 FL-DOOR SPEAKER [OPEN, SHORT, GND-SHORT or VB-SHOR] [U1907] When either one of the following items are detected:
  • sound signal circuits between BOSE amp. and door squawker LH are malfunctioning.
  • sound signal circuits between BOSE amp. and tweeter LH are malfunctioning.
  • Sound signal circuits between BOSE amp. and door squawker LH.
  • Sound signal circuits between BOSE amp. and tweeter LH.