Document # 31-0008
LM2_Manual_1.4.doc
2
TABLE OF CONTENT
1
LM-2 ....................................................................................................................................................... 3
1.1
Main Screen ..................................................................................................................................... 5
1.2
Status Bar ........................................................................................................................................ 5
1.3
Configuration Menu Screen ............................................................................................................. 7
1.4
Recording......................................................................................................................................... 8
1.5
Playback........................................................................................................................................... 8
2
Air/Fuel Ratio Setup............................................................................................................................. 10
2.1
Sensor Calibration.......................................................................................................................... 10
2.2
Sensor Placement.......................................................................................................................... 11
2.3
Calibration Schedule ...................................................................................................................... 13
3
Software (LogWorks 3 and LM Programmer) ...................................................................................... 14
3.1
Installing software and Connecting the LM-2 to computer............................................................. 14
3.2
Updating Firmware......................................................................................................................... 15
3.3
Downloading Logs from Memory Card .......................................................................................... 16
4
OBD-II .................................................................................................................................................. 18
4.1
Locate the OBD-II Connector in your vehicle................................................................................. 18
4.2
Selecting Channels on the LM-2.................................................................................................... 19
4.3
Selecting Channels with the LM Programmer software................................................................. 20
4.4
OBD-II Channel Speed .................................................................................................................. 21
4.5
Set the Priority of OBD-II Inputs (Optional).................................................................................... 23
4.6
Check Vehicle Trouble Codes on the LM-2 ................................................................................... 27
4.7
Clear Vehicle Trouble Codes on the LM-2..................................................................................... 27
4.8
Check and Clear Vehicle Trouble Codes with LM Programmer .................................................... 28
4.9
OBD II Basics................................................................................................................................. 29
5
Analog Cable ....................................................................................................................................... 31
5.1
RPM Input ...................................................................................................................................... 31
5.1.1
Enable/Disable RPM ............................................................................................................. 31
5.1.2
Configure RPM ...................................................................................................................... 31
5.2
Analog Inputs ................................................................................................................................. 34
5.2.1
Enable/Disable Analog Inputs ............................................................................................... 34
5.2.2
Wiring Analog Inputs ............................................................................................................. 34
5.3
Analog Outputs .............................................................................................................................. 35
5.3.1
Programming the analog outputs .......................................................................................... 35
5.3.2
Advanced output programming ............................................................................................. 36
5.3.3
Wiring Analog Outputs .......................................................................................................... 37
6
Tips, Tricks, & Troubleshooting ........................................................................................................... 38
6.1
Air/Fuel and Lambda...................................................................................................................... 38
6.2
General measurement requirements ............................................................................................. 39
6.3
Vehicles with ‘smog-pumps’........................................................................................................... 39
6.4
Single Cylinder Engines ................................................................................................................. 39
6.5
Diesel Engines ............................................................................................................................... 39
6.6
Sensor Timing Errors ..................................................................................................................... 40
6.7
Connecting the LM-2 to simulate a narrow band oxygen sensor .................................................. 40
6.8
Attenuating a Tach Signal .............................................................................................................. 42
6.9
OBD II connection diagnostic trace................................................................................................ 42
Appendix A: Specifications.......................................................................................................................... 43
Appendix B: Limited Warranty .................................................................................................................... 44
Appendix C: Connectors ............................................................................................................................. 45
Appendix D: Supported PIDs ...................................................................................................................... 47
Appendix E: Error Codes and Troubleshooting Tips .................................................................................. 49
Appendix F: Kit Contents ............................................................................................................................ 50
