ELM329
Index (continued)
M
R
Maximum Ratings, Absolute, 5
Reading the Battery Voltage, 25
Messages and Filtering, CAN, 39-40
Messages, Error, 72-73
Reading Trouble Codes, Quick Guide for, 30
Resetting,
Message Formats, OBD, 32-33
Microprocessor Interfaces, 67
Modifications for Low Power, 66
Monitoring the Bus, 41
Prog Parameters, 61
Trouble Codes, 30
Responses, Multiline, 37-38
Restoring Order, 43
Multiline Responses, 37-38
RS232 Baud Rates, Using Higher, 44-45
RX ERROR, 73
N
S
NO DATA, 73
Number of Responses,
J1939, 50
Selecting Protocols, 31-32
Setting the ID Bits (Headers), 34-35
Setting Timeouts (AT & ST commands), 46
Specify the Number of Responses, 28, 46, 50
STOPPED, 73
OBDII 28, 46
O
Summary,
AT Commands, 9-10
Programmable Parameters, 61-65
OBD Commands, 26
OBD Message Formats, 32-33
Order, Restoring, 43
Ordering Information, 74
Outline Diagrams, 74
Overview, 7
T
Talking to the Vehicle, 27-28
Timeouts (AT & ST commands), 46
Trouble Codes,
P
Interpreting, 29
Resetting, 30
Periodic (Wakeup) messages, 53
Pin Descriptions, 3-5
Pin 28, resetting Prog Parameters, 61
Power Control,
U
Description, 57-59
Modifications, 66
UNABLE TO CONNECT, 73
Unused pins, 5
Programmable Parameters,
general, 60-61
Using J1939, 49-52
Using CAN Extended Addresses, 55
Using Higher RS232 Baud Rates, 44-45
reset with pin 28, 61
Summary, 61-65
types, 61
Protocols, Selecting, 31-32
V
Voltage, Reading the Battery, 25
Q
W
Quick Guide for Reading Trouble Codes, 30
Periodic (Wakeup) Messages, 53
ELM329DSB
Elm Electronics – Circuits for the Hobbyist
www.elmelectronics.com
76 of 76
ELM [ ELM ELECTRONICS ]
