User Manual

Table Of Contents
iAuto Series Scan Tool User Manual V1.0
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2. Select the system you would like to test. When the scan tool has established connection with
the vehicle, the Function Menu displays.
2.3 Diagnostic Function
After a system is selected and the scan tool establishes communication with the vehicle, the
Function Menu displays. Typically the menu options are
Read Codes
Erase Codes
Freeze Frame
ECU Information
Live Data
Special Function
2.3.1 Read Codes
Read Codes menu lets you read trouble codes found in the control unit. Typical menu options
include:
Present/Permanent/Current Codes
History Codes
Present/Permanent/Current codes stored in a control module are used to help identify the cause
of a trouble or troubles with a vehicle. These codes have occurred a specific number of times and
indicate a problem that requires repair.