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4.4.2.2 Trouble Codes
Read Codes
This function retrieves and displays the DTCs from the vehicle’s control system. The
Read Codes screen varies for each vehicle being tested. On some vehicles, freeze frame
data can also be retrieved for viewing. The sample Read Codes screen displays as below:
Figure 4-12 Sample Read Codes Screen
1. Main Section
Code Column — displays the retrieved codes from the vehicle.
Status Column — indicates the status of the retrieved codes.
Description Column — detailed descriptions for the retrieved codes.
Snowflake Icon — only displays when freeze frame data is available for viewing;
selecting this icon will display a data screen that looks very similar to the Read
Codes screen.
2. Function Button
Help — tap this to view fault code, including fault description, condition for fault
identification, and driver information.
Freeze — tap this to view the freeze frame data.
Search — tap this icon to search fault code related information in Google.
ESC — tap it to return to the previous screen or exit the function.
Erase Codes
After reading the retrieved codes from the vehicle and certain repairs have been carried
out, you can erase the codes from the vehicle using this function. Before performing this
function, make sure the vehicle’s ignition key is in the ON (RUN) position with the engine
off.
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