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Home >> Nissan-Datsun >> 2019 >> Versa Note S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction And Basic Inspection) >> System Description >> Diagnosis System (ECM) >> CONSULT Function >> Self Diagnostic Result Mode
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Self Diagnostic Result Mode

Self Diagnostic Item 

Regarding items of DTC and 1st trip DTC, refer to DTC Index .

How to Read DTC and 1st Trip DTC 

DTCs and 1st trip DTCs related to the malfunction are displayed in "self-diag results".

Freeze Frame Data and 1st Trip Freeze Frame Data 

Freeze frame data item*

Description

Detected DTC

The engine control component part/control system has a trouble code, it is displayed as PXXXX. (Refer to DTC Index .)

FUEL SYS-B1

  • "Fuel injection system status" at the moment a malfunction is detected is displayed.
  • One mode in the following is displayed.

    Mode2: Open loop due to detected system malfunction

    Mode3: Open loop due to driving conditions (power enrichment, deceleration enleanment)

    Mode4: Closed loop - using oxygen sensor(s) as feedback for fuel control

    Mode5: Open loop - has not yet satisfied condition to go to closed loop

FUEL SYS-B2

CAL/LD VALUE [%]

The calculated load value at the moment a malfunction is detected is displayed.

COOLANT TEMP [°C] or [°F]

The engine coolant temperature at the moment a malfunction is detected is displayed.

L-FUEL TRM-B1 [%]

  • "Long-term fuel trim" at the moment a malfunction is detected is displayed.
  • The long-term fuel trim indicates much more gradual feedback compensation to the base fuel schedule than short-term fuel trim.

L-FUEL TRM-B2 [%]

S-FUEL TRM-B1 [%]

  • "short-term fuel trim" at the moment a malfunction is detected is displayed.
  • The short-term fuel trim indicates dynamic or instantaneous feedback compensation to the base fuel schedule.

S-FUEL TRM-B2 [%]

ENGINE SPEED [rpm]

The engine speed at the moment a malfunction is detected is displayed.

VEHICL SPEED [km/h] or [mph]

The vehicle speed at the moment a malfunction is detected is displayed.

ABSOL TH.P/S [%]

The throttle valve opening angle at the moment a malfunction is detected is displayed.

B/FUEL SCHDL [msec]

The base fuel schedule at the moment a malfunction is detected is displayed.

INT/A TEMP SE [°C] or [°F]

The intake air temperature at the moment a malfunction is detected is displayed.

INT MANI PRES [kPa]

These items are displayed but are not applicable to this model.

COMBUST CONDITION

*: The items are the same as those of 1st trip freeze frame data.