Equus 3130 - Scan Tool – OBD2 Manual do Utilizador descarregar pdf (Página 49)

Additional Tests

SYSTEM TEST

OBD2 47

Status is calculated by the Scan Tool by comparing the

Test Value against the displayed test limit (either Min or

Max). Status is shown as either Low, High or OK.

5. When you have finished viewing the retrieved test data, scroll to the

end of the display to select Exit, then press the ENTER/LD

button to return to the “Select Test” screen.

SYSTEM TEST

The System Test function lets you initiate a leak test for the vehicle's

EVAP system.

The Scan Tool does not perform the leak test, but signals to

vehicle's on-board computer to initiate the test. The vehicle

manufacturer determines the criteria and method for stopping

the test once it has been started. BEFORE using the System

Test function, refer to the vehicle's service repair manual to

determine the procedures necessary to stop the test.

1. From the "Mode Selection Menu", use

the UP and DOWN buttons as

necessary, to highlight System Test,

then press the ENTER/LD button.

■ The "System Test Menu" displays.

2. Use the UP and DOWN but-

tons, as necessary, to highlight EVAP

Leak Test, then press the ENTER/LD

button.

3. A "One moment please..." message dis-

plays while the request is sent to the

vehicle's on-board computer.

Some vehicle manufacturers do

not allow Scan Tools or other

external devices to control vehicle

systems. If the EVAP Leak Test is

not supported by the vehicle

under test, an advisory message

shows on the Scan Tool's display.

Press the ENTER/LD button

to return to the System Test menu.

4. When the EVAP leak test has been initi-

ated by the vehicle's on-board comput-

er, a confirmation message shows on

the Scan Tool's display. Press the

ENTER/LD button to return to "Live

Data" mode.

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