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Home >> Nissan-Datsun >> 2007 >> Sentra SE-R >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Continuously Variable Transmission (CVT) >> DTC P1778 Step Motor - Function >> DTC Confirmation Procedure >> With Consult-III

With Consult-III

  1. Turn ignition switch ON and select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  2. Make sure that output voltage of CVT fluid temperature sensor is within the range below.

    ATF TEMP SEN: 1.0 - 2.0 V 

    If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid) 

  3. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  4. Start engine and maintain the following conditions for at least 30 consecutive seconds.

    TEST START FROM 0 km/h (0 MPH) 

    CONSTANT ACCELERATION: Keep 30 sec or more 

    VEHICLE SPEED: 10 km/h (6 MPH) or more 

    ACC PEDAL OPEN: More than 1.0/8 

    RANGE: "D" position 

    ENG SPEED: 450 rpm or more 

  5. If DTC is detected, go to "DIAGNOSTIC PROCEDURE ".
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