Blue point Microscan III Manual do Utilizador descarregar pdf (Página 44)

Operations Main Menu

The scan tool uses the same screen layout for freeze frame data as for current data. Only one set

of freeze frame data is retained in by the ECM. In most cases it is the last DTC that occurred.

Certain DTCs, those that have a greater impact on vehicle emissions, have a higher priority. In

these cases, the highest priority DTC is the one for which the freeze frame records are retained.

Codes

Designated OBD Mode $03, $07, and $0A this selection displays any stored emission related

DTCs reported by the various ECMs. A code list can include three types of codes:

• Confirmed Codes (mode $03)

• Pending Codes (mode $07)

• Permanent Codes (mode $0A)

Figure 6-9

Sample codes list

Generic codes are identified by a zero (0) as the second character of the code. These generic

codes are defined by OBD-II/EOBD/JOBD standards and the are the same for all manufactures.

Any other character in the second position of the code indicates the code is defined by the vehicle

manufacturer. Manufacturer-specific codes vary, refer to vehicle service manual for information.

Clear Codes

Designated OBD Mode $04, this selection is used to erase all emission related diagnostic data

from the memory of the selected ECM. Selecting eliminates all DTC records, freeze frame data,

and test results. A confirmation message displays when Clear Codes is selected, follow the on

screen instructions to continue.

Figure 6-10

Sample clear codes confirmation message

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Blue point Microscan III Manual do Utilizador Página 44