Overview – Innovate Motorsports LM-1 Digital Air/Fuel Ratio (Lambda) Meter User Manual
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1.
Overview ............................................................................................................................... 2
2.
The LM-1 Instrument ............................................................................................................ 3
2.1.
The LM-1 Instrument (Size: 7" x 4" x 1.5")...................................................................... 3
3.
First Time Use ...................................................................................................................... 3
4.
Installation............................................................................................................................. 4
4.1.
Mounting the sensor using a Bung or Exhaust Clamp. .................................................... 4
4.2.
How to fabricate a copper heat sink ................................................................................. 6
5.
Operation .............................................................................................................................. 6
6.
Calibration............................................................................................................................. 7
6.1.
Free air calibration ............................................................................................................ 7
6.2.
Sensor heater calibration .................................................................................................. 7
6.3.
Calibration Schedule ......................................................................................................... 7
7.
Recording other vehicle data with the LM-1 ......................................................................... 8
7.1.
Overview ........................................................................................................................... 8
7.2.
Recording.......................................................................................................................... 8
8.
Remote display of Lambda and/or AFR ............................................................................... 9
8.1.
Analog Lambda/AFR instrument....................................................................................... 9
8.2.
Special considerations when installing LM-1 permanently in the vehicle......................... 9
9.
Programming the LM-1 ....................................................................................................... 11
9.1.
Installing the LM Programmer Software ......................................................................... 11
Hooking up the LM-1 device to the computer............................................................................ 11
9.2.
Resetting the calibration data ......................................................................................... 12
9.3.
Updating the software (LM-1 firmware) .......................................................................... 12
9.4.
Programming the analog outputs.................................................................................... 13
9.4.1.
Advanced output programming................................................................................ 14
10.
Tips, Tricks and Troubleshooting ....................................................................................... 15
10.1.
General measurement requirements .......................................................................... 15
10.2.
Vehicles with ‘smog-pumps’ ........................................................................................ 15
10.3.
Measuring at the tail-pipe ............................................................................................ 15
10.4.
Single Cylinder Engines .............................................................................................. 15
10.5.
Diesel Engines............................................................................................................. 15
10.6.
Reference cell or Pump cell circuit open or shorted errors ......................................... 15
10.7.
Sensor Timing Errors .................................................................................................. 16
10.8.
Other tricks .................................................................................................................. 16
10.9.
Analog Output tricks/hints ........................................................................................... 16
11.
Advanced Topics ................................................................................................................ 17
11.1.
Connecting the LM-1 to simulate a narrow band oxygen sensor................................ 17
12.
Kit Contents ........................................................................................................................ 18
Appendix A: LM-1 Cable Pinouts ................................................................................................. 20
Appendix B: LM-1 Error Codes and Troubleshooting Tips .......................................................... 23
Appendix C: Limited Warranty...................................................................................................... 24
Revision History............................................................................................................................. 25
1. Overview