Diesel Data: Automotive Repair
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Pre-Check

DTC CHECK/CLEAR

1. DIAGNOSTIC CHECK




a. Starting Diagnostic Mode (All elements come on during the SW check mode).
1. Turn off the audio system and turn the ignition switch to the ACC position. While pressing the preset switches "1" and "6" at the same time, press the "DISC" 3 times.

2. Reference:
- When the system enters the Diagnostic Mode, a beep sound is emitted 3 times and all the elements come on during the SW check mode.
- It takes about 40 seconds to complete the check.
- Turn all the elements in the LCD on.
- When pressing the switch, confirm a beep sound is emitted.

b. Service Check Screen.
1. Press the "SEEK TRACK" switch to enter the "Service Check Screen".




2. In the service check mode, the system check and the diagnostic memory check are performed, and the check results are displayed in ascending order of the component codes (physical address.)

c. Finishing Diagnostic Mode.
1. Press the "DISC" for 2 seconds or more, or turn the ignition switch off.

d. Service Check Mode Result Display (for checking the current and the past system conditions).




1. Press the "SEEK TRACK" switch to see the check result of each component.

Part 1:




Part 2:




2. Check Result Display.
3. To perform the Service Check again, press the preset switch "1".

e. Detailed Information Mode (when displaying the DTC for a troubled component)
1. With "CHEC" or "ECHN" being displayed, press the preset switch "2" to go to the detailed information mode.




2. Press the "SEEK TRACK" switch to display the "System Check Result (SYS)" and "Diagnostic Memory Response (CODE)"




3. Displayed Items in Detailed Information Mode
4. Check the trouble area referring to the DTC list.
5. To return to the service check mode, press the preset switch "3".

2. DTC CLEAR
a. Clearing individual DTC memory (when clearing the memory of the DTC detected in the past individually)
1. Press the preset switch "5" for 2 seconds or more while the "ECHN" is displayed in the service check mode or during the detailed information mode.

HINT:
- A beep sound is emitted once when the DTC memory is completely cleared.
- When the DTC memory is cleared, only the component code (physical address) is displayed for the target component.
- To check DTCs, press the preset switch "1" and perform the service check again.

b. Clearing of all the DTC memory (when clearing all the memory of the DTCs detected in the past)
1. Start the diagnostic mode after repairing the trouble area.
2. Press the preset switch "5" for 2 seconds or more ("CLR" is displayed at this time).

HINT:
- A beep sound is emitted once when the DTC memory is completely cleared.
- When the DTC memory for all the components is cleared, only the component codes (physical address) are displayed.

3. Press the preset switch "1" to perform the service check again, and check that no DTCs are displayed for all the component codes (physical address).

c. Finishing Diagnostic Mode.
1. Press the "DISC" for 2 seconds or more, or turn the ignition switch off.
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