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ELM329SM Datasheet(PDF) 10 Page - ELM Electronics |
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ELM329SM Datasheet(HTML) 10 Page - ELM Electronics |
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10 / 76 page  10 of 76 ELM329 ELM329DSB Elm Electronics – Circuits for the Hobbyist www.elmelectronics.com AT Command Summary (continued) General OBD Commands 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 PC Protocol Close R0, R1 Responses off, or on* S0, S1 printing of Spaces off, or on* SH xyz Set Header (11 bit ID) to xyz SH xxyyzz Set Header (29 bit ID) to xxyyzz SH wwxxyyzz Set Header (29 bit ID) to wwxxyyzz SP h Set Protocol to h and save it SP Ah Set Protocol to Auto, h and save it 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 J1939 CAN Specific Commands (protocols A to F) DM1 monitor for DM1 messages JE use J1939 Elm data format* JHF0, JHF1 Header Formatting off, or on* JS use J1939 SAE data format JTM1 set Timer Multiplier to 1* JTM5 set Timer Multiplier to 5 MP hhhh Monitor for PGN 0hhhh MP hhhh n “ “ and get n messages MP hhhhhh Monitor for PGN hhhhhh MP hhhhhh n “ “ and get n messages CAN Specific Commands (protocols 6 to F) . [1 - 8 bytes] send the data with the 11 bit ID : [1 - 8 bytes] send the data with the 29 bit ID CA is there CAN Activity at pin 11? 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* D0, D1 display of the DLC off*, or on FC SD [1 - 8 bytes] FC, Set Data to [...] FC SM h Flow Control, Set the Mode to h FC SH hhh FC, Set the Header to hhh FC SH hhhhhhhh “ “ hhhhhhhh PB xx yy Protocol B options and baud rate TM0, 1, 2, 3 set Transceiver Mode to 0,1,2, or 3* RTR send an RTR message V0, V1 use of Variable DLC off*, or on Periodic Message Commands SW hh Set Wakeup interval to hhx20 msec SW 00 turn off Wakeup messages WD [1 - 8 bytes] set the Wakeup Data WH hhh set the Wakeup Header (11 bit) WH hhhhhhhh set the Wakeup Header (29 bit) WM [1 - 8 bytes] set the Wakeup Message WM0, 1, 2 set the Wakeup Mode to 0*, 1 or 2 Note: Settings shown with an asterisk (*) are the default values |
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