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Linear Logic ScanGauge II Installation And Operation Manual

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I I
ScanGauge
t h e
LinearLogic
by
I N S TAL L AT I O N AN D O P E R AT I O N
www.scangauge.com
www.linear-logic.com
i

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Summary of Contents for Linear Logic ScanGauge II

  • Page 1 ScanGauge t h e LinearLogic I N S TAL L AT I O N AN D O P E R AT I O N www.scangauge.com www.linear-logic.com...
  • Page 2 WAR N I N G Use of the ScanGaugeII while driving could lead to an accident and serious injuries. The primary attention of the driver should always be on safe driving. As with any gauge or other instrumentation system in a motor vehicle, the information should be observed as part of a normal sequence of observations performed in the operation of the vehicle.
  • Page 3 I N S TAL L AT I O N 1) Locate the OBD II Connector. This connector is normally located under the dash on either side of the steering column. It can also be located under the dash on the passenger side in some vehicles. On rare occasions it is behind the ashtray in the dash or in the armrest.
  • Page 4 4) Turn the vehicle on. If it can be run, start it. If it can’t be run, turn the key to the “run” position. This is the position it is normally in when the vehicle is being driven. 5) Plug the ScanGaugeII Plug into the OBDII socket. The ScanGaugeII derives all the power it needs from the OBDII connector.
  • Page 5 O P E R AT I O N The ScanGaugeII is easy to hook up to a vehicle equipped with an OBDII connector. It is also very easy to use. The operation is menu driven and does not require memorizing sequences of button presses to use.
  • Page 6 is exited by pressing the HOME button, returning you to the starting screen. AUTOMATIC SLEEP MODE About 12 seconds after turning off the vehicle or pressing a button after the vehicle engine is turned off, the ScanGaugeII will automatically power down into a sleep mode. The display will go blank and the backlighting will turn off if it was on.
  • Page 7 The actual saving of the current settings occurs whenever the unit goes SAVE> DONE> to sleep or when the selections are made. If you are going to disconnect the ScanGaugeII to use it to troubleshoot another vehicle, wait until it goes to sleep to unplug it. All settings and trip information will be saved and will continue when it is reconnected later.
  • Page 8 The information available will vary from vehicle to vehicle. If the information is not available for a certain gauge, no data will be shown for it. If the same gauge is selected for more than one position, only one of them will show data (if it is available). The other positions will show the abbreviation, but no data.

  • Page 9: Stored Codes

    Kilometers-per-Hour Manifold-Absolute- This indicates the pressure in the intake manifold. It Pressure is reported in pounds-per-square-inch (PSI) by default but can be changed to kilo-pascals (KPA) if desired. At sea level, the pressure at wide open throttle can be as high as 15 PSI or 10kPA. If the engine is turbocharged or supercharged, the pressure can be higher than this.

  • Page 10: Clear Codes

    correspond to a gauge. The values in the second line are in hexadecimal just as they are reported by the vehicle computer. You can exit this mode using the HOME button. NOTE: Reading the Freeze Data does not clear it. This is done when the DTCs are cleared.
  • Page 11 Codes Cleared This should also turn off the “Check Engine” light on the dashboard and clear the freeze data. If the display stays blank, the vehicle is not responding to the clear command. DECODING DTCs The DTCs vary from vehicle to vehicle and you will need to find the definitions for your vehicle.
  • Page 12 • Maximum Coolant Temperature • Maximum Engine RPM • Average Speed • Average Fuel Economy • Trip Miles • Trip Elapsed Time • Trip Fuel Used • Trip Fuel Cost The TANK trip will not show Maximums but will show the following: •...
  • Page 13 < 0.0 GALLONS > <CURRENT RESET> CURRENT Pressing the button will change to a different trip. This is shown in the following screen: < 5.2 GALLONS > <TODAY RESET TODAY TODAY Notice that there is no . The trip will automatically reset after the engine has been off for 8 to 10 hours (as TODAY when sitting overnight).
  • Page 14 < 92.7 MILES > <TANK TO EMPTY TANK In order for the information to be useful, you must set the size of MORE>SETUP>FUEL>TANK SIZE the fuel tank using . When you HOME>MORE>FILLUP>DONE fill-up, you must use to indicate the vehicle tank has been refilled. It is also necessary to fill the tank to make TO EMPTY information correct.
  • Page 15 <OFF LAMP LOW> <HIGH MORE> MORE>DISPLAY>MORE <PRG USER COLOR> <COLOR COLOR Pressing will cause the backlight color to change in the following sequence: WHITE->USER->BLUE->GREEN->TURQUOISE->RED->VIOLET->AMBER->WHITE USER is a special color you can program. MORE>DISPLAY>MORE>PRG USER COLOR ^ 3 RED GRN 1 ^ ^ 1 BLUE SAVE>...
  • Page 16 The ScanGaugeII has an operating temperature range of 0°F to +160°F (-18°C to 71°C). At higher temperatures, the display will become dark and difficult to read. At lower temperatures, the contrast will be reduced and the characters will change more slowly. As long as the temperature doesn’t exceed –22°F to 176°F (-30°C to +80°C), the display will return to normal operation when the ScanGaugeII temperature returns to the normal operating temperature range.
  • Page 17 Pressing the (pounds-per-square-inch)button will cause it to change (kilo-pascals). Pressing the HOME button will exit this screen with the units set to those indicated when the HOME button was pressed. Note: When KM is selected for distance and LITERS for fuel measurement, the fuel economy will be reported as Liters/100Km MORE>SETUP>ENGINE The ScanGaugeII can be used on any number of different vehicles.
  • Page 18 DIESELa DIESELb do not refer to different types of diesel fuel. They only affect the way fuel consumption is computed and are selected based on the way the vehicle computer reports its sensor information. DIESELa Most diesel vehicles use the setting.
  • Page 19 SAVE The setting can be changed at any time. If is not used, the entered value will be lost when the ScanGaugeII is disconnected. This may be the desired operation if the vehicle is not to have the ScanGaugeII regularly used on it. <...
  • Page 20 marker. After a few miles see that the Miles changes as you pass the mile marker. Adjust the Speed up or down to adjust the indicated distance. IMPORTANT: OBSERVE ALL SPEED LIMITS AND DRIVE SAFELY WHILE MAKING THESE ADJUSTMENTS. THE DRIVER MUST NOT BE DISTRACTED BY TRYING TO MAKE THESE ADJUSTMENTS WHILE DRIVING.
  • Page 21 5) When the tank is around 1/4 full, go to the gas station (the same one if possible and use the same pump with the vehicle facing the same direction) and fill up the tank at the same rate and let it shut off automatically.
  • Page 22 change the adjustment factor directly if less than 1 gallon/liter has been used since the previous fillup sequence was done. It is not necessary to make an adjustment each time you refuel. You can HOME>MORE>FILLUP>DONE press when you refuel. This will restart the "to empty"...
  • Page 23 <MODE CMNDS> <RATE MORE> MORE>MORE>MODE This screen allows the operating mode to be read or set. < > <PIDs FORCE> In this case, is the current mode. Your display may be different. Pressing the upper right or left button will allow different protocols to FORCE be chosen.
  • Page 24 The upper right and left buttons cause the memory selection to be changed. When the desired memory has been chosen, it can be edited or transmitted to the vehicle. Pressing HOME will return the display to the home screen. Pressing EDIT will switch to an entry screen.
  • Page 25 486B0E4100BE3EB8 10C6 OK> The CRC sent back will be checked to make sure the correct data was received and is not removed from the displayed value. The first response returned after the command is sent is displayed. If there is a lot of traffic on the bus, this may not be the response to the command you sent.
  • Page 26 the company which made the firmware. The actual version number you see may be different than the one shown here. MORE>MORE>MORE>USE DEFAULTS USE DEFAULTS will allow you to reset the ScanGaugeII to the factory default settings. All units, engine displacement, engine type, tank size, gauge settings, trip and screen settings will be changed to the factory settings.
  • Page 27 alpha-numeric strings that you enter into the ScanGaugeII via the front panel pushbuttons. After you save the entry, it will be held in flash memory until you change it. You can change it as often as you like. Up to 25 of these commands can be stored. MORE>MORE>MORE>XGAUGE This is the starting screen to add or change an extended gauge: <...
  • Page 28 XGauge, simply enter a space in the first character location. This will clear the entire line when is pressed, but the rest of the entries will not be changed and the XGauge can be reactivated by simply entering the command and clicking for the rest of the entries.
  • Page 29 Note: A space entry exists but is at the beginning of the punctuation symbols. You can reach it by holding down the + or - button until you reach the punctuation. Pressing will move you to the last screen in the sequence. <...
  • Page 30 Displaying a Trip Value as an XGAUGE You can take any of the trip values and have them displayed as a gauge. This allows you to monitor trip functions along with other gauge functions. MORE>MORE>MORE>XGAUGE To start, from the HOME screen use then select the number of the XGauge memory you want to use (0 to 24) EDIT then...
  • Page 31 +800000000000 » OK> as the first character is a special condition that tells the ScanGaugeII that this is to be a trip gauge. All values after the ignored. Next, press until you reach the name screen and enter a name. For SAVE example, for Time Driven Today.

  • Page 32: Troubleshooting

    TROUBLESHOOTING PROBLEM: Nothing displayed and no backlight CAUSE: Vehicle has a blown fuse. SOLUTION: Replace blown vehicle fuse. The OBDII connector is usually powered off the cigarette lighter/accessory fuse, check this one first. PROBLEM: Never stops saying "Connecting..." #1 CAUSE: Vehicle ECU not on #1 SOLUTION: Turn key to RUN or start engine #2 CAUSE: ECU not responding properly.
  • Page 33 TROUBLESHOOTING (Continued) PROBLEM: Shuts off when engine automatically turns off in a Hybrid vehicle. CAUSE: Fuel type not set to HYBRID SOLUTION: Use HOME>MORE>SETUP>FUEL>TYPE and then select HYBRID and SAVE. PROBLEM: Screen goes blank when trying to clear codes. CAUSE: Vehicle is not responding to the "clear codes" command SOLUTION: Sometimes multiple attempts are needed to clear the codes.
  • Page 34 NOTES...
  • Page 35 NOTES...
  • Page 36 1 year from the date of original purchase in the event of a defect in materials or workmanship. Warranty service can be obtained by sending the product to: Linear Logic LLC ATTN: Warranty Service 2222 S Dobson Rd Suite 800...