Index (continued)
Microprocessor Interfaces, 64
Modifications for Low Power, 70-71
Monitoring the Bus, 40
Multiline Responses, 42-43
N
Number of Responses,
J1939, 51
OBDII 30, 61
O
OBD Commands, 28
OBD Message Formats, 35-36
Order, Restoring, 45
Ordering Information, 5
Outline Diagrams, 74
Overview, 7
P
Pin Descriptions, 3-5
Pin 28, resetting Prog Parameters, 55
Power Control,
Description, 62-63
Modifications, 70-71
Programmable Parameters,
general, 54-55
reset with pin 28, 55
Summary, 55-58
types, 55
Protocols, Selecting, 34-35
Q
Quick Guide for Reading Trouble Codes, 32
R
Reading the Battery Voltage, 27
Reading Trouble Codes, Quick Guide for, 32
Resetting,
Prog Parameters, 55
Trouble Codes, 32
Responses, Multiline, 42-43
Restoring Order, 45
RS232 Baud Rates, Using Higher, 59-60
S
Selecting Protocols, 34-35
Setting the Headers, 37-39
Setting Timeouts (AT & ST commands), 61
Specify the Number of Responses, 30, 51, 61
Summary,
AT Commands, 9-10
Programmable Parameters, 55-58
T
Talking to the Vehicle, 29-30
Timeouts (AT & ST commands), 61
Trouble Codes,
Interpreting, 31
Resetting, 32
U
Unused pins, 5
Using J1939, 50-53
Using CAN Extended Addresses, 47
Using Higher RS232 Baud Rates, 59-60
V
Voltage, Reading the Battery, 27
W
Wakeup Messages, 33
76 of 76
ELM327DSH Elm Electronics – Circuits for the Hobbyist
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