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Home >> Nissan-Datsun >> 2021 >> Sentra S >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 2) >> Basic Inspection >> How To Set SRT Code >> Work Procedure
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Work Procedure

  1. CHECK DTC 

    Check DTC.

    Is any DTC detected?

    YES

    Repair malfunction(s) and erase DTC. Refer to DTC Index .

    NO

    GO TO 2.

  2. CHECK SRT STATUS 

    SYMBOL With CONSULT

    Select "SRT STATUS" in "DTC & SRT CONFIRMATION" using CONSULT.

    SYMBOL Without CONSULT

    Perform "SRT status" mode with Diagnosis Description .

    SYMBOL With GST

    Select Service $01 with GST.

    Is SRT code(s) set?

    YES

    END

    NO

    SYMBOL With CONSULT: GO TO 3.

    NO

    SYMBOL Without CONSULT: GO TO 4.

  3. DTC CONFIRMATION PROCEDURE 
    1. Select "SRT WORK SUPPORT" in "DTC & SRT CONFIRMATION" using CONSULT.
    2. For SRT(s) that is not set, perform the corresponding "DTC CONFIRMATION PROCEDURE" according to the "Performance Priority" in the "SRT ITEM" table. Refer to Description .
    3. Check DTC.

    Is any DTC detected?

    YES

    Repair malfunction(s) and erase DTC. Refer to DTC Index .

    NO

    GO TO 9.

  4. PERFORM ROAD TEST 
    • Check the "Performance Priority" in the "SRT ITEM" table. Refer to Description .
    • Perform the most efficient SRT set driving pattern to set the SRT properly. Refer to SRT Set Driving Pattern .

      In order to set all SRTs, the SRT set driving pattern must be performed at least once.

    GO TO 5.

  5. PATTERN 1 
    1. Check the vehicle condition;
      • Engine coolant temperature is -10 to 35 deg. C (14 to 95 deg. F).
      • Fuel tank temperature is more than 0 deg. C (32 deg. F).
    2. Start the engine.
    3. Keep engine idling until the engine coolant temperature is greater than 70 deg. C (158 deg. F)
    NOTE: ECM terminal voltage is follows;
    • Engine coolant temperature
      • -10 to 35 deg. C (14 to 95 deg. F): 3.0 - 4.3 V
      • 70 deg. C (158 deg. F): Less than 1.4 V

    GO TO 6.

  6. PATTERN 2 
    1. Drive the vehicle. And depress the accelerator pedal until vehicle speed is 90 km/h (56 MPH), then release the accelerator pedal and keep it released for more than 10 seconds.
    2. Depress the accelerator pedal until vehicle speed is 90 km/h (56 MPH) again
    NOTE:
    • Checking the vehicle speed with GST is advised.
    • When steady-state driving is performed again even after it is interrupted, each diagnosis can be conducted. In this case, the time required for diagnosis may be extended.

    GO TO 7.

  7. PATTERN 3 
    • Operate vehicle following the driving pattern shown in the figure, below.
      G04073676Courtesy of NISSAN NORTH AMERICA, INC.
    • Release the accelerator pedal during deceleration of vehicle speed from 90 km/h (56 MPH) to 0 km/h (0 MPH).

    GO TO 8.

  8. PATTERN 4 
    • Operate vehicle following the driving pattern shown in the figure, below.
      G06536222Courtesy of NISSAN NORTH AMERICA, INC.
      • Drive the vehicle in a proper gear at 60 km/h (38 MPH) and maintain the speed.
      • Release the accelerator pedal fully at least 5 seconds.
      • Repeat the above two steps at least 5 times.

    GO TO 9.

  9. PATTERN 5 
    • The accelerator pedal must be held very steady during steady-state driving.
    • If the accelerator pedal is moved, the test must be conducted again.

    GO TO 10.

  10. CHECK SRT STATUS 

    SYMBOL With CONSULT

    Select "SRT STATUS" in "DTC & SRT CONFIRMATION" using CONSULT.

    SYMBOL WITHOUT CONSULT

    Perform "SRT status" mode with Diagnosis Description .

    SYMBOL With GST

    Select Service $01 with GST.

    Is SRT(s) set?

    YES

    END

    NO

    Perform this procedure again.

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