Operational Data Items; Obd-Ii Generic Operational Data Items - Tecnotest EZ-SCAN 4000 Manual Operativo

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EZ-SCAN 4000 ___________________________________________________________________________
5.0 -

OPERATIONAL DATA ITEMS

5.1 -

OBD-II Generic operational data items

OL Drive:
Vehicle in Open Loop due to driving conditions (power enrichment, deceleration)
OL Fault:
Vehicle in Open Loop due to a detected system fault
CL O Fault:
2
Vehicle in Closed Loop, but a fault with at least one oxygen sensor - may be using
simple oxygen sensor for fuel control
Ignition Timing Advance:
The relationship between ignition timing and top dead center, displayed in
crankshaft degrees. Range: -64 to 63.5
Intake Air Temperature:
Temperature of the air drawn through a cleaner and distributed to each cylinder for
use in combustion. Range: -40 °F to 215 °F
Intake Manifold Pressure:
The manifold absolute pressure displayed in kilopascals or volts. A low reading will
indicate that the pressure is low (vacuum is high) and a high reading will indicate
that the pressure is high (vacuum is low). Range: 10 to 105 kPa, or 0 to 5 Volts
Long Term Fuel Trim (Bank 1 / Bank 2):
Long Term adjustments to the Bank 1 fuel calibration schedule which compensate
for vehicle differences and gradual changes that occur over time. Range: -100.00%
to 99.92% (-100% indicating a maximum lean condition, 99.92% indicating a
maximum rich condition, and 0% indicating no adjustment)
OBD-II Require:
Requirement level for the On Board Diagnostics designed for the vehicle
OBD-II (CARB):
Vehicle designed with OBD requirements for California Air Resource Board OBD-II
OBD (Fed EPA):
Vehicle designed with OBD requirements for Federal EPA OBD
52 OPERATING INSTRUCTIONS