ELM327 Ver la hoja de datos (PDF) - Elm Electronics

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ELM327

OBD to RS232 Interpreter

Elm Electronics 

AT Command Summary (continued)

OBD Commands

AL

Allow Long (>7 byte) messages

AMC

display Activity Monitor Count

AMT hh set the Activity Mon Timeout to hh

AR

Automatically Receive

AT0, 1, 2 Adaptive Timing off, auto1*, auto2

BD

perform a Buffer Dump

BI

Bypass the Initialization sequence

DP

Describe the current Protocol

DPN

Describe the Protocol by Number

H0, H1

Headers off*, or on

MA

Monitor All

MR hh

Monitor for Receiver = hh

MT hh

Monitor for Transmitter = hh

NL

Normal Length messages*

PC

Protocol Close

R0, R1

Responses off, or on*

RA hh

set the Receive Address to hh

S0, S1

printing of Spaces off, or on*

SH xyz Set Header to xyz

SH xxyyzz Set Header to xxyyzz

SH wwxxyyzz Set Header to wwxxyyzz

SP h

Set Protocol to h and save it

SP Ah

Set Protocol to Auto, h and save it

SP 00

Erase stored protocol

SR hh

Set the Receive address to hh

SS

use Standard Search order (J1978)

ST hh

Set Timeout to hh x 4 msec

TA hh

set Tester Address to hh

TP h

Try Protocol h

TP Ah

Try Protocol h with Auto search

ELM327

J1850 Specific Commands (protocols 1 and 2)

IFR0, 1, 2 IFRs off, auto*, or on

IFR H, S IFR value from Header* or Source

ISO Specific Commands (protocols 3 to 5)

FI

perform a Fast Initiation

IB 10

set the ISO Baud rate to 10400*

IB 48

set the ISO Baud rate to 4800

IB 96

set the ISO Baud rate to 9600

IIA hh

set ISO (slow) Init Address to hh

KW

display the Key Words

KW0, KW1 Key Word checking off, or on*

SI

perform a Slow (5 baud) Initiation

SW hh

Set Wakeup interval to hh x 20 msec

SW 00

Stop sending Wakeup messages

WM [1 - 6 bytes] set the Wakeup Message

CAN Specific Commands (protocols 6 to C)

CEA

turn off CAN Extended Addressing

CEA hh

use CAN Extended Address hh

CAF0, CAF1 Automatic Formatting off, or on*

CF hhh

set the ID Filter to hhh

CF hhhhhhhh set the ID Filter to hhhhhhhh

CFC0, CFC1 Flow Controls off, or on*

CM hhh

set the ID Mask to hhh

CM hhhhhhhh set the ID Mask to hhhhhhhh

CP hh

set CAN Priority to hh (29 bit)

CRA

reset the Receive Address filters

CRA hhh

set CAN Receive Address to hhh

CRA hhhhhhhh set the Rx Address to hhhhhhhh

CS

show the CAN Status counts

CSM0, CSM1 Silent Monitoring off, or on*

CTM1

set Timer Multiplier to 1*

CTM5

set Timer Multiplier to 5

ELM327DSJ

Elm Electronics – Circuits for the Hobbyist

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