2. Service Check Mode

NOTE: This is the only information provided by the manufacturer for reading Diagnostic Trouble Codes for this system.


SERVICE CHECK MODE





HINT: Service Check Mode is operated as given in the flow chart.





a. SERVICE CHECK SCREEN
1. By performing system check and collecting data of diagnosis memory, this mode checks the current and past condition of the vehicle.
2. List of all components name or physical addresses.
It displays only the components that have been connected at least once.

3. The check result is displayed for all components.
4. The check result is displayed by 6 abbreviations: "OK", "EXCH", "CHEK", "NCON", "NRES" and "Old". ("EXCH", "CHEK" and "Old" have a function as switches.)
5. Based on all information obtained from "System Check Request", "Diagnosis Memory Request" and "Current Diagnosis Result" command, the following results are displayed:

OK: No error is identified.
EXCH: One or more error codes requesting for exchange are detected in any check result.
CHEK: Except the conditions for "EXCH", one or more error codes requesting for check are detected in any check result.

6. The other check results are as follows:

NCON: No response to "Diagnosis ON Instruction" command and it is not connected when the system is started.
Old: One or more error codes are detected when responding to "Diagnosis ON Instruction" command because of the old version.
NRES: No response to all commands of "System Check Request", "Diagnosis Memory Request" and "Current Diagnosis Result". Or no error is detected by any one of "System Check Request' or "Diagnosis Memory Request" when no response to the other command.

7. "EXCH", "CHEK" and "Old" are functioned as switches any by pressing these, LAN Check Mode and Unit Check Mode are activated.

8. Memory Clear Switch
Pressing this switch for 3 sec. deletes all information about master component registration and diagnosis memory of all components.

9. DTC Clear Switch
Pressing this switch for 3 sec. deletes diagnosis memory of all components.

10. Recheck Switch
Pressing this switch rechecks the system.

11. Menu Switch
Pressing this switch activated the Diagnosis Menu Screen.





b. LAN CHECK MODE SCREEN

1. As a detailed screen in the System Check Mode, LAN Check Mode is displayed.
2. Communication codes (logical address "01") are extracted from the diagnosis data obtained by "Diagnosis Memory Request" and displayed.
3. Component Name
Names of the components to be checked are displayed.

4. Segment
Logical address codes corresponding to DTC are displayed.

5. DTC
DTC displayed.

6. Related components address
Physical address codes corresponding to DTC are displayed.

7. Connection Confirmation Number
Connection confirmation numbers corresponding to DTC is displayed.

8. Number of Occurrence
The number of occurrence of the same DTC is displayed.

9. DTC Clear Switch
Pressing this switch for 3 sec. deletes DTC memory of the selected diagnosis component. When returning to the System Check Mode, the check result is shown as a blank.

10. Unit Check Mode Screen Switch
Pressing this switch activates the Unit Check Mode screen.

11. System Check Mode Screen Switch
Pressing this switch activates the System Check Mode screen.





c. UNIT CHECK MODE SCREEN
1. As a detailed screen in the System Check Mode, the Unit Check Mode is displayed.
2. Up to 6 error codes detected by "The DTC obtained during the system check (including when starting the diagnosis mode)" can be displayed as "Current".
3. Up to 6 error codes detected by "DTC stored in the past" can be displayed as "Memory".
4. Component Name
Names of the components are displayed.

5. Segment
Logical address numbers corresponding to DTC are displayed.

6. DTC
DTC is displayed.

7. Year/Month/Day/Hour/Minute/Second
The date and time stamped at the time of code occurrence is displayed in the order of year-month-day-hour-minute-second. (Year is shown in 2-digit number.) If the date and time data is invalid, it is displayed as a blank.

HINT: Time data is obtained after turning the ignition from ACC to ON. Until the valid time data is obtained, the data shown in the display shall be considered as invalid.
If stored before a valid time data is obtained, the data shall not be displayed.

8. DTC Clear Switch
Pressing this switch for 3 sec. deletes all diagnosis memory of the component. When returning to the System Check Mode, the check result is displayed as a blank.

9. Lan Check Mode Screen Switch
Pressing this switch activates the LAN Check Mode screen.

10. System Check Mode Screen Switch
Pressing this switch activates the System Check Mode screen.