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Home >> Nissan-Datsun >> 2012 >> Murano SV, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction (Except CROSSCABRIOLET) >> System Description >> Diagnosis System (ECM) >> CONSULT Function >> Self Diagnostic Result Mode >> Freeze Frame Data and 1st Trip Freeze Frame Data
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Freeze Frame Data and 1st Trip Freeze Frame Data

Freeze frame data item(1) Description
DIAG TROUBLE CODE [PXXXX]
  • The engine control component part/control system has a trouble code that 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 of the following mode 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
(1) The items are the same as those of 1st trip freeze frame data.
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