ON-BOARD DIAGNOSTIC SYSTEM EXTERNAL DIAGNOSTIC UNIT COMMUNICATION FUNCTION [F2]

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Data Link Connector (DLC)


Function

•  The DLC is the concentrated connector for sending/receiving the aforementioned functions to each tester.


Terminal description

•  The DLC consists of a 17-pin connector in which FEN, TEN, KLN, +B, and GND terminals are located.
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Terminal

Function

Remark
FEN
Outputs DTCs related to PCM
When using voltmeter
KLN
•  Outputs DTCs related to PCM
•  PID/DATA MONITOR AND RECORD function
•  SIMULATION function
Mazda Modular Diagnostic System (M-MDS) communication line
TEN
Diagnostic test mode switching
Terminal grounded: Test mode
+B
B+
—
GND
Ground
—
IG–
Engine speed measurement
Connected to tachometer


Data Link Connector-2 (DLC-2)

•  A connector (DLC-2) conforming to International Organization for Standardization (ISO) standards has been added.
•  Shape and terminal arrangement as stipulated by the ISO 15031-3 (SAE J1962) international standard has been adopted for this connector. The connector has a 16-pin construction that includes the KLN, GND1, GND2 and B+ terminals.
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Terminal

Function
KLN
Serial communication KLN terminal
GND1
Body ground terminal
GND2
Serial communication ground terminal
B+
Battery power supply terminal