Blue point Microscan III Manual de usuario descargar pdf (Pagina 59)

Data Parameters Long Parameter Names

FLI

Shows the nominal fuel tank liquid fill capacity. For gaseous fuels the

percentage of usable fuel capacity is shown. Can be obtained directly from a

dedicated sensor or calculated by the ECM from other sensor signals.

FRP

Shows the fuel rail pressure at the engine relative to the atmosphere

(gauge pressure).

FRP_REL

Shows the fuel rail pressure measured at the engine relative to the intake

manifold vacuum.

FUELSYSx

Fuel System 'x' does not normally refer to injector banks. It is intended to

represent different fuel systems (for multi-fuel vehicles) that independently enter

and exit 'Closed Loop'. 'Closed Loop' means the fuel control system uses the

oxygen sensor signal. Banks of injectors on a V-type engine are generally not

independent and use the same closed loop criteria.

IAT

Shows the intake manifold air temperature as obtained from a sensor or as

calculated by the ECM (using other inputs).

LOAD_ABS

Value is presented as a percentage and ranges from 0 to 100 for naturally

aspirated engines, and from 0 to 400 for boosted engines.

On boosted engines the actual figure displayed depends upon how much boost

is used. The higher the boost used, the higher the Absolute Load Value will be.

LOAD_PCT

The ECM calculates the engine load by dividing the actual manifold airflow

volume (Otto engines) or actual fuel flow (Diesel engines) by the maximum

possible volume with a factor for pressure and temperature compensation.

Correlates with the engine vacuum. Value is presented as a percentage and

ranges from 0 to 100.

LONGFTx

Shows the correction used by the Closed Loop and Open Loop fuel algorithm at

the moment this parameter is requested. Negative values indicate a 'lean'

condition, positive values a 'rich' condition. 0% correction will be shown if no

correction is used in Open Loop.

MAF

Shows the flow rate of the intake air as measured by the Mass Air Flow

(MAF) sensor.

MAP

Shows the absolute pressure in the intake manifold as measured by the

MAP sensor.

MIL_DIST

Conditions for this counter:

1. Resets to zero when MIL state changes from 'deactivated' to 'activated' by the

ECM.

2. Accumulates counts in km if MIL is activated (ON)

3. Does not change value while MIL is not activated (OFF)

4. Resets to zero if diagnostic information is cleared either by service $04 or 40

warm-up cycles without MIL activated

5. Does not wrap to zero if value is maximum (65535).

MIL_TIME

Conditions for this counter:

1. Resets to zero when MIL state changes from deactivated to activated by

the ECM.

2. Accumulates counts in minutes if MIL is activated (ON).

3. Does not change value while MIL is not activated (OFF).

4. Resets to zero if diagnostic information is cleared either by service $04 or 40

warm-up cycles without MIL activated.

5. Does not wrap to zero if value is maximum (65535).

O2SLOCxy

Shows the presence of oxygen sensor number 'y' per bank 'x' (group of

cylinders). Sensor 1 is closest to the engine

Table 7-2 Short parameter names (sheet 2 of 3)

Parameter Description for short parameter

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 71 72

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Blue point Microscan III Manual de usuario Pagina 59

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