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Home >> Nissan-Datsun >> 2023 >> Maxima SR >> 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 and SRT CONFIRMATION" mode with CONSULT.SYMBOL Without CONSULT Perform "SRT status" mode with On Board Diagnosis Function .SYMBOL With GSTSelect Service $01 with GST.

    Is SRT code(s) set?

    YES>>

    GO TO 12.

    NO>>

    With CONSULT : GO TO 3.

    NO>>

    Without CONSULT : GO TO 4.

  3. DTC CONFIRMATION PROCEDURE 
    1. Select "SRT WORK SUPPORT" in "DTC and SRT CONFIRMATION" mode with 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 11.

  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°C (14 to 95°F).
      • Fuel tank temperature is more than 0°C (32°F).
    2. Start the engine.
    3. Keep engine idling until the engine coolant temperature is greater than 70°C (158°F)
    NOTE: SYMBOL ECM terminal voltage is follows;
    • Engine coolant temperature
      • -10 to 35°C (14 to 95°F): 3.0 - 4.3 V
      • 70°(158°F): Less than 4.1 V
    • Fuel tank temperature: Less than 1.4 V

    Refer to Reference Value .

    >>

    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: SYMBOL
    • 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 illustration.
      GNSDB36371Courtesy of NISSAN
    • 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 illustration.
      GNSDB35749Courtesy of NISSAN
      • 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. PATTERN 6 
    • Cool down the engine so that the engine coolant temperature lowers between 15 - 35°C (59 - 95°F).
      CAUTION:

      Never turn the ignition switch ON while cooling down the engine.

    • Engine coolant temperature at engine start is between 15 - 35°C (59 - 95°F) and has lowered 45°C (113°F) or more since the latest engine stop.

    >>

    GO TO 11.

  11. CHECK SRT STATUS 

    SYMBOL With CONSULT Select "SRT STATUS" in "DTC and SRT CONFIRMATION" mode with CONSULT.SYMBOL Without CONSULT Perform "SRT status" mode with On Board Diagnosis Function .SYMBOL With GSTSelect Service $01 with GST.

    Is SRT(s) set?

    YES>>

    GO TO 12.

    NO>>

    Call TECH LINE or take appropriate action.

  12. CHECK PERMANENT DTC 
    NOTE: SYMBOL Permanent DTC cannot be checked with a tool other than CONSULT or GST.

    SYMBOL With CONSULT Select "SRT STATUS" in "DTC and SRT CONFIRMATION" mode with CONSULT.SYMBOL With GSTSelect Service $0A with GST.

    Is permanent DTC(s) detected?

    YES>>

    Proceed to Description .

    NO>>

    END