ELM OBD Terminal

ToolforAndroiddevices-Version2.4

ELMOBDTerminalisanOBDIIcompatibleapp.ItcancommunicatewithandthevehicleECUviaadapterELM327(orcompatiple)onbaseofBluetoothorWi-Fiplatform

Connectionsettings
1.Bluetoothconnection-selectproperbluetoothdevice
2.WiFiconnection-selectcorrectIPaddressandport
Defaultvalues:
IPaddress:192.168.0.11
port:35000

Resources
1.AvailablelistofATcommands
2.AvailablelistofgenericOBDIIPIDs

Sendingcommand:
TheappcanissueanyELM327ATcommandorhexadecimalOBDIIPIDs

1.ByselectingfromavailablelistofATcommands(OBDIIPIDs)andtappingtheButtonSend.
2.BydirectlytypingtheATcommand(OBDIIPIDs)andtappingtheButtonSend.

Aftersendingthesentcommand(OBDIIPID)isdisplayedonthescreenwiththeiconofTX

ReceivingResponse
TherespondisdisplayedinthescreenwithiconofRX.

Note
Thisappdoesnottranslatetheresponsesfromthecar'sECUtohumanreadableformat.
Sotheusermusttranslatethemselftheseresponsestoreadableformat

MostofgenericOBDIIPIDsarefetchedfromavailablelisthavesupportformulas

SomeATcommand:
ATZ-resetall
ATWS-warmstart
AT@1-displaythedevicedesription
AT@2-displaythedeviceidentifier
ATH1-setheaderson
ATH0-setheadersoff
ATSPn-setprotocolton
ATDP-Describethecurrentprotocol
ATAL-allowlong(>7byte)messages
ATAR-automaticreceive
ATAT0-adaptivetimingoff
ATAT1-adaptivetimingauto1
ATAT2-adaptivetimingato2
ATBD-performbufferdump
ATCAF0-CANautoformatoff
ATCAF1-CANautoformaton
...

SomeGenericOBDIIPIDs(hexadecimalformatwithoutpartof0x)
03-showstoreddiagnostictroublecodes
04-clearstoredtroublecodesandstoredvalues
07-showpendingtroublecodes
0A-showpermanentdiagnostictroublecodes
0902-VINvehicleidentificationnumber
0904-calibrationID
0100-PIDssupported[1..20]
010C-engineRPM-rpm,formula:(256*A+B)/4
010D-vehiclespeed-km/h,formula:A
...