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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (Automatic Transmission Diagnosis - Re4R01A) >> Diagnostic Tests >> DTC P0731: 1ST Gear Function >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2002 Infiniti QX4, 2001 Nissan Pathfinder, and 2001 Infiniti QX4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect scan tool. Turn ignition switch to ON position. Using scan tool, select DATA MONITOR mode for A/T.
  2. Ensure output voltage of TFT sensor is 0.4-1.5 volts. If voltage is not as specified, drive vehicle to decrease voltage (warm up fluid) or stop engine to increase voltage (cool down fluid).
  3. Using scan tool, select 1ST GR FNCTN P0731 of DTC WORK SUPPORT mode for A/T. Press start.
  4. Road test vehicle. Accelerate to 6-12 MPH with gearshift lever in "D" position, O/D on. Release accelerator pedal. Ensure scan tool display GEAR shows 2 after releasing accelerator pedal.
    5. NOTE: Ensure engine DTC is not present if TESTING has not appeared on scan tool after long wait.
  5. Accelerate to 6-12 MPH. Depress accelerator pedal fully (WOT) until TESTING changes to STOP VEHICLE or COMPLETED. Test will take about 3 seconds. Ensure scan tool display GEAR shows 1 when depressing accelerator.
  6. Stop vehicle. Ensure OK is displayed. Check for normal shifting. See SHIFT SOLENOID VALVE OPERATION  table under DESCRIPTION & OPERATION.
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