ON-BOARD DIAGNOSTIC SYSTEM EXTERNAL TESTER COMMUNICATION FUNCTION [TCM (CW6A-EL)]

id0502p4280500


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.
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Terminal

Function
A
Battery positive voltage
B
AFS control module (Vehicle 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
—