51
SCAN-DIY CR-PRO User’s Manual
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3.1.3.1OBDII
G
ENERIC
O
PERATIONAL
D
ATA
I
TEMS
Mass Air Flow (Grams/Sec) Range: 0 to 105 gr/sec
High Perf. Vehicles: 0 to 255 gr/sec
Mass air flow sensor input is used by the ECM to calculate fuel delivery.
As the air flow increases, the fuel delivery must also increase. Displayed
in grams per second.
Calculated Load Value Range: 0% to 100%
An indication of the current airflow divided by peak airflow, where peak
airflow is corrected for altitude, if available. This value is not engine
specific. It gives the service technician an indication of the percent of
engine capacity being used (with a full load as 100%).
Commanded Secondary Air Status
Commanded Secondary Air provided to the exhaust system.
Engine Coolant Temperature Range: 40 C to 215 C
The temperature of the vehicle coolant is used to determine when to
transition into closed loop and to calculate spark advance during cold
starts. The PCM converts the voltage from the sensor to a temperature.
Engine RPM
Engine Speed reading displayed in revolutions per minute.
Fuel Pressure (Gage) Range: 0 to 765 kPaG
Fuel pressure of the fuel delivery system.
| SCAN-DIY CR-Pro Work On OBD-II/EOBD-II/CANBUS Protocol Vehicle
Figure
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