Hanatech MULTISCAN P2 User Manual page 51

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c. Others
- Generally MULTISCAN P2 reads DTC pulse signal from the
diagnostic adapter and shows the DTC number, title and details
automatically.
2. Serial Communication type
a. Most of the cars built in 1990's or later support serial communication with
a scanner, and the DTC is read by bi-directional communication.
b. MULTISCAN P2 sends a command to the control module to reply with
the DTC numbers stored in memory, and the control module replies
thereupon.
Chapter 4 - 3
Chapter 4