ELM327
AT Command Summary (continued)
OBD Commands
J1850 Specific Commands (protocols 1 and 2)
IFR0, 1, 2 IFRs off, auto*, or on
AL
Allow Long (>7 byte) messages
display Activity Monitor Count
set the Activity Mon Timeout to hh
Automatically Receive
IFR H, S
IFR value from Header* or Source
AMC
AMT hh
AR
ISO Specific Commands (protocols 3 to 5)
AT0, 1, 2
BD
Adaptive Timing off, auto1*, auto2
perform a Buffer Dump
FI
perform a Fast Initiation
IB 10
IB 48
IB 96
IIA hh
KW
set the ISO Baud rate to 10400*
set the ISO Baud rate to 4800
set the ISO Baud rate to 9600
set ISO (slow) Init Address to hh
display the Key Words
BI
Bypass the Initialization sequence
Describe the current Protocol
Describe the Protocol by Number
Headers off*, or on
DP
DPN
H0, H1
MA
Monitor All
KW0, KW1 Key Word checking off, or on*
MR hh
MT hh
NL
Monitor for Receiver = hh
Monitor for Transmitter = hh
Normal Length messages*
Protocol Close
SI
perform a Slow (5 baud) Initiation
Set Wakeup interval to hh x 20 msec
Stop sending Wakeup messages
SW hh
SW 00
PC
WM [1 - 6 bytes] set the Wakeup Message
R0, R1
RA hh
S0, S1
SH xyz
Responses off, or on*
set the Receive Address to hh
printing of Spaces off, or on*
Set Header to xyz
CAN Specific Commands (protocols 6 to C)
CEA
turn off CAN Extended Addressing
use CAN Extended Address hh
CEA hh
SH xxyyzz Set Header to xxyyzz
CAF0, CAF1 Automatic Formatting off, or on*
CF hhh set the ID Filter to hhh
SH wwxxyyzz Set Header to wwxxyyzz
SP h
Set Protocol to h and save it
Set Protocol to Auto, h and save it
Erase stored protocol
CF hhhhhhhh set the ID Filter to hhhhhhhh
CFC0, CFC1 Flow Controls off, or on*
SP Ah
SP 00
SR hh
SS
CM hhh
set the ID Mask to hhh
Set the Receive address to hh
use Standard Search order (J1978)
Set Timeout to hh x 4 msec
set Tester Address to hh
CM hhhhhhhh set the ID Mask to hhhhhhhh
CP hh
CRA
set CAN Priority to hh (29 bit)
reset the Receive Address filters
set CAN Receive Address to hhh
ST hh
TA hh
TP h
CRA hhh
CRA hhhhhhhh set the Rx Address to hhhhhhhh
CS show the CAN Status counts
CSM0, CSM1 Silent Monitoring off, or on*
Try Protocol h
TP Ah
Try Protocol h with Auto search
continued…
ELM327DSI
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