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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (DTC/Circuit Diagnosis) (2 Of 2) >> Transmission (TCM) >> P2767 Input Speed Sensor B >> DTC Description

DTC Description

DTC DETECTION LOGIC 

DTC CONSULT screen terms(Trouble diagnosis content) DTC detection condition
P2767 INPUT SPEED SENSOR B(Input/Turbine Speed Sensor B Circuit No Signal) Diagnosis condition When all of the following conditions are satisfied:
  • TCM power supply voltage: More than 11 V
  • After range change completion, it spends 2 seconds or more.
Signal Output speed sensor signal
Threshold When all of the following conditions are satisfied:
  • 10-msec-ago secondary pulley speed: 1000 rpm or more
  • Now secondary pulley speed: 0 rpm
Diagnosis delay time 0.5 seconds

POSSIBLE CAUSE 

FAIL-SAFE