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Home >> Infiniti >> 2017 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (Rear View Monitor System) (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> DTC B272A: Center Sensor [Fl] >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B272A Front left side internal sensor
(Front sonar sensor LH inner)
1 Diagnosis condition When ignition switch is ON and power supply voltage is 8.5V - 16.5V.
Signal (terminal) Front inner left sensor signal (terminal 2)
Threshold Front inner left sensor signal circuit is open or short to ground
Diagnosis delay time -
2 Diagnosis condition When ignition switch is ON and power supply voltage is 8.5V - 16.5V.
Signal (terminal) Front inner left sensor signal (terminal 2)
Threshold Front inner left sensor signal circuit is short to voltage
Diagnosis delay time -
3 Diagnosis condition When ignition switch is ON and power supply voltage is 9.5V - 16.5V.
Signal (terminal) Front inner left sensor signal (terminal 2)
Threshold Front sonar sensor LH inner element malfunction
Diagnosis delay time -