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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Automatic Transmission (Re0F10D) (DTC/Circuit Diagnosis)) >> DTC Diagnosis >> Transmission (TCM) >> DTC P0742: Torque Converter >> DTC Description >> DTC Detection Logic

DTC Detection Logic

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DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0742

TORQUE CONVERTER

(Torque Converter Clutch Circuit Stuck On)

Diagnosis condition

When all of the following conditions are satisfied:

  • TCM power supply voltage: More than 11 V
  • Range: D (Except for Manual mode)
  • Accelerator pedal position : 10 deg. or more
  • Engine speed: 450 rpm or more
  • Differences between primary pulley speed and input speed: Less than 50 rpm
  • LU pressure: Less than -0.1 MPa and this state is maintained for 5 seconds
  • Secondary pulley speed: more than 0 rpm and less than 2470 rpm

Signal

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Threshold

Differences between engine speed and input speed: 40 rpm or less.

Diagnosis delay time

Maintained for 5 seconds or more