Mazda RX-8 2004 Service Highlights page 274

DLC-2 OUTLINE
• The DLC-2 located in the drive compartment is a standard service connector as defined by OBD-II regulations.
Terminal
GND1
GND2
CAN_H
CAN_L
B+
End Of Sie
ON-BOARD DIAGNOSTIC
DLC-2
B+ CAN_L
CAN_H GND2 GND1
Body ground terminal
Serial communication ground terminal
Serial communication terminal (Hi)
Serial communication terminal (Lo)
Battery power supply terminal
Function
CHU050201026S09
CHU0502S002
05–02
05–02–9