Equus 3140 - Scan Tool CanOBD2&1 Kit Manuel d'utilisateur télécharger pdf (Page 39)

OBD2 Live Data Mode

VIEWING LIVE DATA

CanOBD2&1 37

The CanOBD2&1 Scan Tool is a special diagnostic tool that communi-

cates with the vehicle's computer.The CanOBD2&1 Scan Tool lets you

view and/or "capture" (record) "real-time" Live Data. This information

includes values (volts, rpm, temperature, speed etc.) and system sta-

tus information (open loop, closed loop, fuel system status, etc.) gen-

erated by the various vehicle sensors, switches and actuators.

In effect the CanOBD2&1 Scan Tool lets you view, in "real time", the

same signal values generated by the sensors, actuators, switches and/or

vehicle system status information used by the vehicle's computer when

calculating and conducting system adjustments and corrections.

The real time (Live Data) vehicle operating information (values/status)

that the computer supplies to the CanOBD2&1 Scan Tool for each sen-

sor, actuator, switch, etc.is called Parameter Identification (PID) Data.

Each PID (sensor, actuator switch, status, etc.) has a set of operating

characteristics and features (parameters) that serve to identify it. The

CanOBD2&1 Scan Tool displays this information for each sensor, actu-

ator, switch or status that is supported by the vehicle under test.

WARNING: If the vehicle must be driven in order to perform

a troubleshooting procedure, ALWAYS have a second per-

son help you. One person should drive the vehicle while the

other person observes the CanOBD2&1 Scan Tool data.

Trying to drive and operate the CanOBD2&1 Scan Tool at the

same time is dangerous, and could cause a serious traffic

accident.

VIEWING LIVE DATA

1. Follow steps 1 through 7 of the Code Retrieval Procedure (page 24)

to place the CanOBD2&1 Scan Tool in "Code Retrieval" mode.

2. Press and release the ENTER/LD

button to place the CanOBD2&1 Scan

Tool in "Live Data" mode.

3. Real-time Live Data (PID) information

supported by the vehicle under test dis-

plays.

Remember, what you are viewing is "real-time" Live Data.

The values (volts, rpm, temperature, vehicle speed, system

status etc) for the various PIDS displayed may change as the

vehicle's operating conditions change.

4. A vehicle usually supports several PIDs, however, only a limited

amount of PID data can be displayed on the screen at one time. If

additional PID data is available, a small arrow will be shown on the

display. Use the the UP and DOWN buttons, as necessary,

to scroll up or down to view all available PID data.

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Equus 3140 - Scan Tool CanOBD2&1 Kit Manuel d'utilisateur Page 39

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