6) Communication Line

• K-LINE

• Bidirectional line
• K-LINE is defined as the line which provides information in a serial digital form from ECM or PCM to the diagnostic tester. K-LINE is used bidirectionally, in which case it may carry commands or data from the diagnostic tester to the ECM or PCM. K-LINE is also used to initialize the serial communication.

• CAN (CONTROLLER AREA NETWORK)

• Bus Topology : Line (bus) structure
• Wiring : Twisted pair wire
• Off Board DLC Cable Length : Max. 5m
• Data Transfer Rate
  • Diagnostic : 500 kbps
  • Service Mode (Upgrade, Writing VIN) : 500 or 1Mbps)