View Readiness Test - Obd-Ii - Tecnotest EZ-SCAN 4000 Manual Operativo

__________________________________________________________________________ EZ-SCAN 4000
OBD-II Oxygen sensor test reading
Constant Readings
Rich to Lean Sensor Threshold (Volts) - Oxygen sensor voltage that indicates a
transition from a rich condition to a lean condition.
Lean to Rich Sensor Threshold (Volts) - Oxygen sensor voltage that indicates a
transition from a lean condition to a rich condition.
Low Sensor Voltage for Switch Time Calculation (Volts) or High Sensor
Voltage for Switch Time Calculation (Volts) - The computer uses fixed voltage
levels to measure the "lean to rich" and "rich to lean" transition times. The computer
will measure the amount of time between when the O2 sensor is at the low voltage and
when the O sensor is at the high voltage to obtain the lean to rich transition time. The
2
computer will measure between the high and low voltages to obtain rich to lean
transition time.
Calculated Readings
Rich to Lean Sensor Switch Time (mS) or Lean to Rich Sensor Switch Time
(mS) - The time it takes for the oxygen sensor to transition from a Rich to Lean
condition for the Rich to Lean sensor Switch Time, or from a Lean to Rich condition for
the Lean to Rich sensor Switch Time.
Minimum Sensor Voltage for Test Cycle (Volts) or Maximum Sensor Voltage
for Test Cycle (Volts) - The computer keeps track of and reports the minimum
voltage level and the maximum voltage level attained during the oxygen sensor test
cycle.
Time Between Sensor Transitions (mS) - The computer will calculate the time
between a rich to lean transition and a lean to rich transition and report this value.
4.3 -

View readiness test - OBD-II

•
[OBD-II] Your scanner must be connected, and the key in the ON position,
before viewing OBD-II Readiness Test data. If MON is pressed, and the vehicle
has not been scanned, the scanner will display Press the Scan key to Scan New
Data. Refer to "Scanning the Vehicle" on chapter 3.0.
•
Press POWER to display the EZScan 4000 scanner opening screen.
•
Press MON to display Monitor menu. Use the
3-Readiness Test is highlighted, then press ENTER.
OPERATING INSTRUCTIONS
and arrow keys until

49