Use and Care Manual

7.1 Ready Test Mode

Repairs to the emissions-control systems of a 1996 or newer vehicle

cause the vehicle‟s computer (ECU) memory to be cleared. The

vehicle must go through a drive cycle to allow the ECU to perform a

series of tests to ensure that the repair was successful, and before a

state mandated emissions test can be conducted.

Modern vehicles lack equipment to indicate whether the tests have

been completed. With AutoLink AL519, you don‟t have to bring the

vehicle back to the repair shop for retest if all required tests by the

ECU are completed.

In the Ready Test Mode, you could easily check the I/M Readiness

status to determine whether an OBD II vehicle is ready for an

emission test.

To enter this mode, simply press the One-Click I/M Readiness Key

at anytime. Or, while the scan tool in Ready Test Mode, select

Diagnostics in the Main Screen. (Figure 3.1) If the scan tool is idle,

it will show the result immediately. If it is busy, it will wait till the

current procedure finished. After viewing the status, press I/M

Readiness One-Click Key or ENTER button to exit, which takes a

few seconds and please be patient.

You will get the information screen as below.

Figure 7.1