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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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ON-BOARD DIAGNOSTIC SYSTEM EXTERNAL TESTER COMMUNICATION FUNCTION [TCM (SJ6A-EL)]

Purpose/Function

  • The on-board diagnostic system external tester communication function transmits data between an external tester and each control module of the vehicle.

  • Because the DTCs recorded in the vehicle can be read by an external tester, determination of a malfunction location is facilitated.

Construction/Operation

  • A connector (DLC-2) conforming to International Organization for Standardization (ISO) standards has been adopted.

  • A connector shape and 16-pin terminal arrangement as stipulated by the ISO 15031-3 (SAE J1962) international standard has been adopted for this DLC-2.

Terminal

Function

A

Battery positive voltage

B

AFS control module (With headlight auto leveling system)

C

SAS control module

D

—

E

HS CAN communication line Lo

F

HS CAN communication line Hi

G

—

H

Serial communication ground

I

—

J

Body ground

K

MS CAN communication line Lo

L

MS CAN communication line Hi

M

—

N

—

O

—

P

—
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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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