ELM329LP datasheet(87/87 Pages) ELM

87 / 87 page

Index (continued)

Maximum Ratings, Absolute, 7

Messages and Filtering, CAN, 41-42

Messages, Error, 82-83

Message Formats, OBD, 34-35

Microprocessor Interfaces, 73-74

Modifications for Low Power, 80-81

Monitoring the Bus, 43

Multiline Responses, 39-40

NMEA 2000 Standard, 55

NO DATA, 24, 28, 30, 42, 45, 48, 51, 66, 83

Number of Responses,

J1939, 52

OBDII 30, 48

OBD Commands, 28

OBD Message Formats, 34-35

Order, Restoring, 45

Ordering Information, 84

Outline Diagrams, 85

Overview, 9

Periodic (Wakeup) messages, 56

Pin Descriptions, 4-6

Pin 28, resetting Prog Parameters, 66

Power Control,

Description, 62-64

Modifications, 80-81

Programmable Parameters,

general, 65-66

reset with pin 28, 66

Summary, 66-70

types, 66

Protocols, Selecting, 33-34

Quick Guide for Reading Trouble Codes, 32

Reading the Battery Voltage, 27

Reading Trouble Codes, Quick Guide for, 32

Resetting,

Prog Parameters, 66

Trouble Codes, 32

Responses, Multiline, 39-40

Restoring Order, 45

RS232 Baud Rates, Using Higher, 46-47

RX ERROR, 51, 83

Selecting Protocols, 33-34

Setting the ID Bits (Headers), 36-37

Setting Timeouts (AT & ST commands), 48

Specify the Number of Responses, 30, 48, 52

STOPPED, 16, 43, 63, 83

Summary,

AT Commands, 11-12

Programmable Parameters, 66-70

Talking to the Vehicle, 29-30

Timeouts (AT & ST commands), 48

Trouble Codes,

Interpreting, 31

Resetting, 32

UNABLE TO CONNECT, 83

Unused pins, 6

Using J1939, 51-54

Using CAN Extended Addresses, 58

Using Higher RS232 Baud Rates, 46-47

Voltage, Reading the Battery, 27

Periodic (Wakeup) Messages, 56

87 of 87

ELM329L

ELM329L DSA

Elm Electronics – Circuits for the Hobbyist

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