Innovate LM-2 Bedienungsanleitung

11-0122B

LM-2

Digital Air/Fuel Ratio Meter

User Manual

This manual assumes that firmware version 1.18 or later is installed.

Warning!

It is extremely important to avoid hot-plugging sensor connections. Do

not connect or disconnect the sensor connectors while the unit is

powered ON.

The Oxygen Sensor used in this device gets very hot in operation.

Do not touch the hot sensor. Do not let a hot sensor touch a

combustible surface. Do not use the sensor with or near flammable

liquids or gases. Failure to heed these warnings may result in severe

burns, explosions or fires.

When installed in the exhaust, the oxygen sensor MUST be connected

and operating with the LM-2 whenever the car is running. An un-

powered oxygen sensor will be quickly damaged when exposed to hot

exhaust gases.

11-0122B

TABLE OF CONTENT

1LM-2.........................................................................................................3

1.1Main Screen.......................................................................................5

1.2Status Bar...........................................................................................5

1.3Configuration Menu Screen ...............................................................7

2Air/Fuel Ratio Setup.................................................................................8

2.1Sensor Placement..............................................................................8

2.2Sensor Calibration..............................................................................9

2.3Calibration Schedule........................................................................10

3OBD-II....................................................................................................11

3.1Selecting OBD-II Channels on the LM-2..........................................11

3.2Check Vehicle Trouble Codes on the LM-2 .....................................12

3.3Clear Vehicle Trouble Codes on the LM-2.......................................12

3.4Selecting Channels with the LM Programmer software...................12

3.5Check and Clear Vehicle Trouble Codes with LM Programmer......13

3.6OBD II connection diagnostic trace..................................................14

4Analog Cable..........................................................................................14

4.1RPM Input ........................................................................................14

4.1.1Enable/Disable RPM.................................................................15

4.1.2Configure RPM..........................................................................15

4.1.3Attenuating a Tach Signal.........................................................16

4.2Analog Inputs ...................................................................................17

4.2.1Enable/Disable Analog Inputs...................................................17

4.2.2Wiring Analog Inputs.................................................................17

4.3Analog Outputs Factory Default Settings.........................................17

4.3.1Programming Analog Outputs..................................................18

4.3.2Advanced output programming.................................................19

4.3.3Wiring Analog Outputs ..............................................................19

5Data Logging..........................................................................................20

5.1Recording.........................................................................................21

5.2Log File Format................................................................................22

5.3Downloading Logs from Memory Card.............................................22

5.4Playback...........................................................................................22

6Software (LogWorks 3 and LM Programmer)........................................23

6.1Download the Logworks 3 software package ..................................23

6.2Installing software.............................................................................23

6.3Driver Instalation ..............................................................................23

6.4Updating Firmware...........................................................................23

6.5Changing Sensor Type ....................................................................25

Appendix A: Specifications............................................................................26

Appendix B: Limited Warranty.......................................................................27

Appendix C: Error Codes and Troubleshooting Tips ....................................28

11-0122B

1 LM-2

The LM-2 is a single or dual channel wideband controller with a built-in OBD

II scan tool, RPM input, four analog inputs, MTS serial I/O, SD memory card

recording and two analog outputs.

Front

MODE

Press once to

cycle through

channel display

screens. Press

and HOLD to enter

Setup Menu.

CANCEL

Press to cancel

out of menu or to

stop recording.

RECORD

Press once to

record or a second

time to stop

recording. Press

and HOLD to force

a new log.

Scroll through

available

channels. Move

through menu

ENTER

Accept an entry in

the menu screen.

DOWN

Scroll through

available

channels. When in

the Move through

11-0122B

Left

Top

Bottom

Inductive Clamp MTS Serial IN MTS Serial OUT

SD Memory Card

USB Connector

Sensor Port # 2

(Enabled with the

Dual Channel version)

Analog Cable

Sensor Port # 1

OBD-II

Connector

Power

11-0122B

1.1 Main Screen

There are 3 different screen view options: one channel, two channels, and

four channels. These can be cycled by momentarily pressing the MODE

button. The type of channels being displayed can be changed by using the

UP and DOWN arrows.

One Channel

Two Channels

Four Channels

1.2 Status Bar

The bottom edge of the screen is the status bar and will look something like

this:

The left most portion is the current time (which can be set via menu and is

set automatically by LM Programmer).

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During Recording, an upper case ‘R’ and a counter will display on the lower

left:

Counting minutes and seconds of recording.

Similarly, during playback a upper case ‘P’ and a counter will display:

Counting elapsed time during playback.

Note: If Recording does not start (see later section), also look here, the word

“Card?” will appear if no SD card is detected when Record is selected. The

word “Full!” will appear if you have either filled the SD card, or exhausted the

available log names (see section on recording).

Moving to the right, the next two indications are O2 sensor status, which can

be one of the following:

HW - Heater Warm-up

Cal - Calibrating

O2 - Reading O2 context (lambda over 8.something)

L - Reading Lambda (or AFR)

Ex - Error, Check Appendix E for error code meanings and trouble

shooting tips

Note: If the LM-2 is a single channel model, the second indication will be

blank, not an error code.

The next indicator, “R”, will appear when a) RPM is selected for logging/use

(see menus) and b) an RPM signal is detected. Note, when RPM is enabled,

but no RPM signal is detected, this symbol will appear in lower case (“r”).

The “A” indicator means that the 4 Analog Inputs are selected for

logging/Use (see menus). It is all or nothing. The display will be blank if

disabled.

The “O” indicates that an OBD-II connection is active. This indicator will blink

at the relative ‘sample rate’, which will vary on the number of channels

selected and the vehicle’s protocol. The display will be blank if the unit is not

connected to an OBD-II port.

11-0122B

The blinking “M” indicates that MTS serial data is being generated. This will

blink at the relative MTS packet rate (for comparison with the O indicator). If

the unit is not the “head” unit, then this will only blink when packets are being

received via the Serial In connector.

Last, “H” indicates that the unit is the MTS head unit. If the unit is not head

this indicator will appear as a “-“

1.3 Configuration Menu Screen

To enter the Configuration Menu Screen press and hold the MODE button.

Navigating the Menu:

“ENTER” Accepts

“CANCEL” Returns one menu level

“MODE” Returns to Main Screen

UP and DOWN arrows adjust selection or value

“RECORD” has no effect

When “MODE” is first pressed, the following choices appear:

Display AFR or Lambda. Factory default setting is AFR.

Calibrate Sensors - Free Air Calibrate ALL O2 sensors connected

will be calibrated

Fuel Type Setup – Change the AFR fuel type setting. Factory

default setting is Gasoline (14.7.)

RPM – Enable/Disable RPM and Configure RPM.

OBD-II - Configure Number of Channels (0-16), Channel Use,

Get/Clear DTC codes Display in Metric/Imperial Units, and Start

Trace File.

Playback Log

Reverse/Normal Display

Set Date/Time - Set the current date/time

Wideband Sensor Type Setup – Allows to select from the Bosch

LSU 4.2 or LSU 4.9 sensor. Refer to “Changing Sensor Type”

chapter.

Note: Entering the Configuration Menus will stop recording and suspend

MTS packet output

11-0122B

2 Air/Fuel Ratio Setup

2.1 Sensor Placement

Optimum bung placement will vary from application to application, but using

the guideline below will ensure the longest sensor life with the most accurate

readings. Using a bung is the preferred method for mounting the oxygen

sensor in all applications.

Weld the bung at least 24 inches downstream of the exhaust port outlet

(after the collector), or 24 inches after the turbocharger if so equipped.

The bung should be welded before the X or H pipe if so equipped.

Using a clock as reference, mount the bung between the 9:00 o’clock

and 3:00 o’clock position. Welding the bung in the lower section of the

exhaust pipe can result in sensor damage caused by condensation

making contact with the sensor’s internal heating element.

A 1” bung (provided in the kit) will best protect the sensor. When fully

threaded, the sensor’s tip will sit flush with the exhaust pipe, this does

not adversely affect the readings.

The bung should always be welded before the Catalytic Converter.

Welding the bung after the catalytic converter will skew the readings

toward lean. The skew in readings will vary with engine load and the

efficiency of the catalytic converter.

Leaded fuel and two stroke applications will reduce the sensor’s life.

There are many other factors that dictate the sensor’s lifespan so it is

impossible to predict it’s total longevity.

Exhaust leaks, camshaft overlap, and open (shorty) exhausts will cause

false lean readings at light engine loads. Typically, once the engine is

under load and the exhaust gas volume increases, you will see accurate

readings.

When installed in the exhaust, the oxygen sensor must be connected to

a powered, functional LM-2 (no error codes) whenever the engine is

running. An un-powered sensor will be damaged in a short period of time

when exposed to exhaust gas.

Do not pre-warm the sensor before starting the engine, simply start the

engine as normal. Allowing the sensor to pre-warm before starting the

engine will increase the possibility of damaging the sensor from shock-

cooling.

11-0122B

The maximum temperature of the sensor at the bung (the sensor

mounting location) should not exceed 500

C or 900

F. If these

temperatures are exceeded in your application you should install the

Innovate Motorsports HBX-1 heat sink bung extender. (p/n 3729.)

Alternatively you can also use the optional exhaust clamp (p/n 3728) to

sample exhaust gases at the end of the tail pipe. Be aware that this

method of sampling exhaust gas is prone to give false lean readings at

light engine loads.

As the O2 sensor measures the oxygen content of the exhaust

gas to provide an accurate O2 reading, even a small pin-hole

leak in a poorly welded sensor bung will affect the accuracy

and performance of your O2 sensor. Remember, any deviation from

the instructions provided for proper sensor installation will lead to

inaccurate O2 readings.

2.2 Sensor Calibration

Innovate Motorsports’ ‘Direct Digital’ wideband measurement technology

allows you to calibrate the sensor to compensate for sensor wear and

atmospheric pressure variances. This procedure takes just a few moments

and it will ensure the most accurate readings throughout the oxygen sensor’s

life. This procedure is required anytime a NEW oxygen sensor is

installed.

It is extremely important to avoid hot-plugging sensor

connections. Do not connect or disconnect the sensor

connectors while the unit is powered ON.

The calibration procedure requires that the oxygen sensor be in free air, this

means removed from the exhaust system completely.

1. With the LM-2 powered off, connect the oxygen sensor to the sensor

cable and the other end to the sensor input on the LM-2.

Single Channel: The active sensor port is #1 which is parallel to the

power connection.

Dual Channel: Both oxygen sensors may be connected to the unit

at the same time or one at a time.

2. Connect the LM-2 to the cigarette power plug with the provided

cigarette power adapter.

11-0122B

3. The sensor(s) will start warming up. The LM-2 will display WXX,

where XX is the percentage of temperature reached. Notice the

status bar displaying a ‘W’.

4. Once the unit stops indicating the sensor is warming up, it is time to

trigger the calibration. Press and hold the MODE button until the

Configuration Menu appears. Select ‘Calibrate Sensors’ and press

the Enter button.

5. Confirm by selecting ‘Start Sensor Calibration’ and press the ENTER

button.

6. The display will momentarily display ‘Cal’ and then it will switch to

reading a percentage of oxygen. If the oxygen content now differs

from 20.9% by more than 0.4%, repeat the calibration.

7. The LM-2 is calibrated and ready for use.

The LM-2 must be powered by the cigarette adapter (12 volts) in

order to properly heat the Oxygen sensor and measure Air/Fuel. If

the unit is only connected to the OBDII port it will properly function

as a scan tool, but not warm up the sensor.

2.3 Calibration Schedule

Normally aspirated (daily driver)

- Calibrate before installation of new sensor

- Calibrate new sensor again after 3 month of use

- Thereafter calibrate once a year or every 20,000 miles, whichever comes

first

Turbo Application, daily driver (tuned rich)

- Calibrate before installation of new sensor

- Calibrate new sensor again after 3 month of use

- Thereafter calibrate twice a year or every 10,000 miles, whichever comes

first

Race Application

- Calibrate before first installation of new sensor

- Calibrate once per race weekend

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