
EZ500 Diagnosis System
14
Tip: Live Data is important function that can be used to help technicians further diagnose a problem.
This function requires technicians to be familiar with sensor data of each system, control signals and
control modes. Tip: Save known good live data readings for comparison.
(The following are some test conditions and typical values of common live data)
Test Items
Unit
Normal Data
Test Conditions & Typical Values
1.Engine Speed
rpm
0-6000
Engine warmed-up: 750-850rpm
2.Engine Coolant Temperature
℃
-40-150
Engine warmed-up: 85-95
℃
3.Throttle Percentage
0-100
Throttle closed: 0%,
Throttle wide-open:
>
85
4.Injecting Pulse Width
ms
0-15
Engine warmed-up: 3.5-4.5ms
5.Intake Air Temperature
℃
-40-150
Show value a little higher than ambient
temperature
6.Battery Voltage
v
0-15
Idle speed: 11-13.5V
7.Injection closed-loop correction
0-1.99
8.Load
ms
0-15
Dependent on throttle position etc
9. Angle of Ignition Advance
℃
0-50
Engine warmed-up: 5-15
℃
variations
10.Air Intake
kg/h
0-255
Engine not started: 0
11.Intake Pressure
hpa
0-1013
Engine not started: 1013hpa
12. Idle-speed Adjustment Status
0-255
13.Oxygen Sensor
mv
0-1000
Engine warmed-up: 50-960mv variations
Display Modes
There are three modes with which to view Live Data, users can choose the optimum mode according
to their own needs and different parameter types.
Digital Mode: Displays parameters in numerical form.
Dashboard Mode: Displays parameters in the form of simulated instrument graphics.
Graph Mode: Displays parameters in graph form.