USER MANUAL Made in the USA!
Contents
1. This warranty covers failures due to material or workmanship defects only This warranty does not cover cosmetic damage or damage due to accident misuse abuse negligence commercial use acts of God or modifications of or any part of the product including accessories 10 SED AG dS OO W Ww e e e e FSBRNRRRRBLSSCRERARESHOCS A1A GM Supported Parameters PID S INTAKE AIR Intake Air Temperature COOLANT TEMP Engine Coolant Temperature TRANS TEMP Transmission Temperature RPM engine Revolutions Per Minute MAF SENSOR LB M Mass Air Flow Ibs min MAF FREQUENCY raw Mass Air Flow sensor output frequency MANIFOLD PSI Manifold Air Pressure psi THROTTLE POS PCT Throttle Position percentage 0 100 THROTTLE VOLTS Throttle Position sensor output 0 5 volts MILES PER HOUR Miles Per Hour KNOCK RETARD Knock Retard degrees IGNITION ADVANCE ignition timing advance PULSE WIDTH injector 1 pulse width 4 amp 6 cylinder engines SHORT TRIM B1 short term fuel trim bank 1 SHORT TRIM B2 short term fuel trim bank 2 LONG TRIM B1 long term fuel trim bank 1 LONG TRIM B2 long term fuel trim bank 2 OXYGEN SENSOR B1 O2 bank 1 sensor in millivolts OXYGEN SENSOR B2 02 bank 2 sensor in millivolts RUN TIME MINS engine run time is tenths of seconds since last engine start BATTERY VOLTAGE Alternator battery output voltage IAC POSITION Idle Air Control counts position of Idle Air Contro2. manufacturer defined i ese ee reserved for future 8 BO Body Codes SAE defined Ou BIH p manufacturer defined AS 2 F manufacturer defined B3 B99 pa reserved for future C UO Network Codes SAE defined DI PON p manufacturer defined EJ RAR manufacturer defined lel p033 k reserved for future TABLE 1 For example if code 0107 is returned replace the first 0 with PO resulting in code P0107 Looking up this code reveals P0107 Manifold Absolute Pressure Barometric Pressure Circuit Low Input There are many resources that fully explain these codes including the specific vehicle shop manual web sites as well as automotive self help guides A list of power train diagnostic trouble code explanations can be found on our web site at 13 http www aeroforcetech com files Partial_list_of_diagnostic_trouble_codes txt The web site www troublecodes net OBD2 is another source of explanation for these codes For a description of the SRT 4 or Dodge codes visit http www aeroforcetech com files SRT 4_DTC_s rtf 14 A3 TIPS AND VEHICLE SPECIFIC NOTES 04 Pontiac Grand Prix A common mount for the Interceptor is in the top left vent next to the steering wheel If mounted here hot air cannot be blown directly on the unit for extending periods of time Insulation should be placed behind the Interceptor if hot air is blown through this vent when the heater is on for
3. SEA Le INTERCEPTOR scan gauge by Fechrrrology USER MANUAL FIRMWARE VERSION 1 4 www aeroforcetech com Made in the USA Patent Pending WARNING Vehicle operator should focus primary attention to the road while using the Interceptor The information provided by this device should be observed as part of a normal sequence of observations performed in the operation of the vehicle as with any gauge or other instrumentation Interceptor settings should be changed only during conditions when it is safe to do so Focusing on the road should be the primary concern of the driver Aeroforce Technology shall not be held liable in any way for any incidental or consequential damages to the vehicle driver passengers and or other involved parties or property occurring while using the Interceptor scan gauge Aeroforce Technology shall not be liable for technical or editorial errors or omissions made herein nor for incidental or consequential damages resulting from the furnishing or use of this manual Aeroforce Technology Inc reserves the right to make changes to this document and the product described without notice Copyright 2005 2006 Aeroforce Technology Inc All rights reserved INSTALLATION Read these instructions thoroughly before installation SRT 4 owners be sure to read your vehicle specific notes on page A3 at the end of this manual 1 Make sure the car s ignition is turned off 2 Run included 5 main
4. will display the results of the previous performance measurement run Only the last run will be stored and the data overwritten once another run is made Make a note of this data if it is needed for permanent reference SHIFT LIGHT This selection will allow you to enter an RPM value that once reached will turn on the bright LED shift lights Enter a 4 digit value starting from left to right Hitting the right button will cause the digit above the cursor to change from 1 9 Once the correct digit is entered hit the left button and repeat until all 4 digits are correct After entering the last digit you will go back to the menu The data rate must be set to 1 for the shift light to be activated to ensure accuracy Because of the nature of some data buses you may see a false occasional blink of these lights when driving with the light activated This is due to an erroneous rpm signal received by the gauge These will be infrequent and random and are not an indication of a faulty gauge Changing the data rate to something other than 1 will completely disable the shift light as will setting it to a value of 0000 Turning off the shift light by setting it to 0000 will speed up the 1 data rate as well as record rate by another 30 when extremely fast data acquisition is needed HORSEPOWER ADJUSTMENT This choice allows you to enter a correction factor for the horsepower parameter and the MPG parameter This one co
5. be exposed to direct sunlight such as on top of the dash you may want to consider a windshield shade or unplugging the display for a minute or two until it and the car cool off a little If you gauge s cable did not come with a separate power wire unplug the gauge if the vehicle will not be used for more than 5 days Care If the face of the Interceptor needs cleaning use light pressure with a non scratching material such as a pre moistened micro fiber material made for plastic sunglass lenses The plastic lens will scratch if anything abrasive is used on it Limited Warranty Aeroforce Technology warrants this product and its accessories against defects in material and workmanship for a period of 180 days from the date of purchase Aeroforce Technology will repair or replace this product with new or refurbished products or parts at Aeroforce s option free of charge in the USA This warranty extends only to the original purchaser A purchase receipt or other proof of date of original purchase from and authorized dealer including Aeroforce Technology is required on order to have warranty service performed Before sending an Interceptor back for warranty service you must obtain a Return Materials Authorization number from Aeroforce Technology This can be done by emailing service aeroforcetech com including a description of the problem and date place of purchase An RMA number will be returned to you as well as a return address
6. min find the increase in size by dividing 100 by 60 1 6667 This number entered as 16667 would be the correction factor you d add here It doesn t matter how the sensor is rated kg hr grams sec etc the same method is used m Analog 1 This selection allows the user to enter a conversion for this 0 5v input which uses the right pin of the three pin connector To read raw volts enter 1 for slope and 0 for intercept This is the default setting as well For example say you want to input the analog output of a wide band O2 sensor kit You know from the kit s documentation that the output is scaled such that Ov 10 A F ratio and 5v 20 A F ratio The conversion would then be a slope of 2 with an intercept of 10 In other words voltage multiplied by 2 plus 10 would equal A F ratio In this example a voltage of 5 would result in 5 2 10 equals 20 A F ratio Another common use for these analog inputs are for MAP sensors The GM 3 bar MAP is a common sensor used to measure high levels of boost The conversion for this sensor would be V 9 14 8 or a slope of 9 intercept of 14 8 The slope can be tweaked if the sensor does not read 0 with the key on engine off Our personal 3 bar MAP had a slight zero offset that we adjusted by changing the intercept value These inputs use a 10 bit A D device and are highly accurate to the 01 volts You will only see a resolution of 0 1 volt displayed but the calculations are based
7. must be turned on with the engine off Once the Clear DTC command is chosen from the menu the check engine light will turn off once the engine is started again Our website has a list of Chrysler DTC s at http www aeroforcetech com files SRT 4_DTC_s rtf SRT 4 Dual Units Each gauge will have a separate part number in the form of SRx0x106 and SRx0x108 The ones that end in 6 will be fully functional the other will not have the performance timer function nor will it log at 10 samples per second as the 6 will but rather at 2 3 times per second Both of these steps were necessary due to limitations of the SRT 4 bus It simply cannot handle the high rate of acquisition that two gauges running full speed produce If you run either gauge at the 1 data rate fastest the other should not be run lower faster than 3 Both can be set to 2 or higher slower Knowing this set the 6 gauge for parameters that require monitoring at a high data rate such as knock retard or ignition advance This way you will catch any transient or quickly changing values Slower changing parameters such as intake air temp or engine coolant temp can be logged on the 8 gauge at 2 3 times per second without missing anything important 16
8. cable and three wire mini cable from the OBD2 connector do not plug in yet to the location of the Interceptor s The Interceptor will fit in any 2 1 16 or 52mm gauge pod or can be mounted in a custom fashion anywhere within 5 feet of the OBD2 connector The OBD2 connector is located under the dash on either side of the steering column 3 Plug both cables into the back of the Interceptor See figure 1 Press the Interceptor s into the gauge pod or mounting hardware analog 2 analog 1 Figure 1 4 Plug the main cable connector into the OBD2 connector See figure 2 The data ground and power on certain vehicles such as the Dodge SRT 4 come from this connector 5 Connect 3 wire mini connector power If required connect separate red power wire which exits the middle of the 3 wire mini cable as shown in figure 1 to a switched 12v line or circuit in the vehicle These circuits are commonly known as accessory circuits because they are only hot when the ignition is turned on A recommended way of doing this step is to use a product called an Add a Circuit made by Littelfuse available at most car parts outlets These kits which sell for under 10 allow you to easily use an existing circuit in the fuse block to power an add on accessory such as the Interceptor without the need to cut or splice any wires The use of this kit is highly recommended as most of the problems with the gauge can be traced to a poor selec
9. ding begins the display colors will invert as an alert The recorded file will be saved for replay until record is selected again and the proper record conditions are met The new file will overwrite the old The Interceptor will maintain the file even when powered c d e g h i down If in record mode you wish to return to normal scan mode access the menu screen and select record again This will disable it until selected again via the menu Recording fuel economy will slow down the data rate as is not recommended if speed is important PLAY Once play is selected the Interceptor will return to the normal scan screen but will show the first frame of a recorded log You will notice the field descriptions flickering to indicate playback mode is in effect Pushing the right button will toggle forward to the next frame in chronological order the left button will toggle backwards or to the very last frame if done at the beginning of the file Holding either button down will quickly scroll through the data until the button is released The backlight will flash every time a new frame is displayed In other words push a button once and the light will blink once Hold a button down and the light will blink quickly as each new frame is displayed Play will not be selectable if the record buffer is empty DISPLAY DTC s Selecting this mode will instruct the Interceptor to acquire and display any diagnostic trouble codes stored in the
10. erm fuel trim bank 2 LONG TRIM B1 long term fuel trim bank 1 LONG TRIM B2 long term fuel trim bank 2 OXYGEN SENSOR B1 O2 bank 1 sensor in millivolts OXYGEN SENSOR B2 02 bank 2 sensor in millivolts RUN TIME MINS engine run time is tenths of seconds since last engine start BATTERY VOLTAGE Alternator battery output voltage IAC POSITION Idle Air Control counts position of Idle Air Control valve PULSE WIDTH B1 injector Pulse Width for bank 1 8 cylinder engines PULSE WIDTH B2 injector Pulse Width for bank 2 8 cylinder engines ENGINE LOAD calculated Engine Load 0 100 ENGINE OIL PRESSURE some 8 cylinder engines 28 29 30 31 Miles Per Gallon instantaneous fuel economy Calculated net horsepower Analog analog input 1 Analog 2 analog input 2 Will read in PSI pounds per square inch whether in vacuum or under boost factory forced induction applications Normal range is approximately 9 psi at idle 12 A2 DIAGNOSTIC TROUBLE CODES DTC s The Interceptor will display the code in the hex format of XXXX See Table 1 below for explanation and interpretation of these Interceptor codes Replace with this If the first hex digit is this gt Q PO Powertrain codes SAE defined 1 BESS lec manufacturer defined 2A BRP te SAE defined 30 RRON ha jointly defined 4 CO Chassis Codes SAE defined oa CIN ike manufacturer defined oN Kes p
11. example 4800 Vortec Throttle voltage reads 0 all the time It is not a supported parameter on this motor Some parameters are not supported by all vehicles but they may still be displayed as a dummy value in place of areal one Certain manual transmission cars will display a false transmission temperature and some V8 s will display an erroneous oil pressure for example These dummy values may be obviously incorrect or may look normal at first but never change 97 Pontiac Grand Prix Ignition advance will be displayed as a negative number 2000 2001 Grand Prix There has been a couple reports of the Pass Key III system rejecting the keys when this gauge is plugged in when the car is started in extremely cold temperatures below 20 degrees F Therefore it is recommended to unplug the gauge before starting these cars in these extremely cold temperatures and plugging it back in a few seconds after the car is started There is no need to disconnect the power wire though 2000 2003 full size GM SUV s and Corvette Owners my find that scan speeds need to be lowered to setting 3 or higher to prevent false error messages on the vehicles instrument panel These vehicles have extremely high data volumes with slower than desirable bus hardware 96 97 V8 GM trucks A smaller set of parameters are supported for these vehicles You may only see 9 10 as opposed to 20 for later years Saturn Ion Redline Chevy Cobalt SS You should have
12. for 0 5 volts with an over voltage protection circuit built in However running more than 6v into these inputs for an extended period of time could effect the operation of the entire gauge and possible damage it 7 Turn vehicle on With the key on and engine off or engine running the Interceptor will scan the vehicle for supported parameters from a predetermined list While the unit powers up the Interceptor and AeroForce logo will appear on the display This only takes a few seconds Please note that dual Interceptor units may power up sequentially one at a time and may take up to 15 seconds to scan the vehicle If the vehicle supports a parameter on the list the Interceptor will see this and allow you to display it See page A1 of these instructions for the list of parameters supported by the Interceptor Remember that not all parameters are supported by every vehicle so don t expect to see all of them on the Interceptor you install in your vehicle If the vehicle and the Interceptor support the parameter you will have access to it Dual units on vehicles that are powered by the OBD2 port may not power up at exactly the same time OPERATION SCANNING Once the Interceptor has been installed with the vehicle on you will see an upper and lower field containing a description and parameter value The right button will change the upper parameter field the left button the lower One quick push of the button will toggle to t
13. he next parameter Holding the button down will trigger the unit to quickly scroll through the available parameters until the button is released Included in the list of parameters is instantaneous fuel economy calculated horsepower and both the analog 1 and analog 2 inputs Fuel economy and horsepower will be available on only those cars using a Mass Air Flow sensor MENU Pressing both buttons at the same time will take you to a menu screen Here you will have eight choices Use the left button to toggle down to the desired choice The current selection will be highlighted Push the right button to select this choice and proceed to the associated screen You will initially see four menu selections continuing to scroll down will bring up a new list of 4 more options with 4 more to follow Continuing beyond the third group of 4 will bring you back to the beginning Choices are a SCAN This is the standard mode of operation for the unit and the default mode when powered up In this mode the unit is scanning and displaying data b RECORD Upon selecting record the unit will return to normal scan mode except the first letter of each field description will be replaced with a square block to indicate that record is active You may notice that the gauge is scanning much faster in this mode Once the throttle position reaches 60 or higher the unit will automatically start recording the displayed data for approximately 45 60 seconds When recor
14. l valve PULSE WIDTH B1 injector Pulse Width for bank 1 8 cylinder engines PULSE WIDTH B2 injector Pulse Width for bank 2 8 cylinder engines ENGINE LOAD calculated Engine Load 0 100 ENGINE OIL PRESSURE some 8 cylinder engines Miles Per Gallon instantaneous fuel economy Calculated net horsepower Analog 1 analog input 1 Analog 2 analog input 2 INTAKE AIR 2 Intake Air Temp downstream of intercooler some supercharged applications Will read in PSI pounds per square inch whether in vacuum or under boost factory forced induction applications Normal range is approximately 9 psi at idle 11 SOO GY ted OO e e m eme me NRRRSSBESSSRAGDESSHS A1B Ford Supported Parameters PID S INTAKE AIR Intake Air Temperature INTAKE AIR TEMP 2 intercooled applications COOLANT TEMP Engine Coolant Temperature TRANS TEMP Transmission Temperature RPM engine Revolutions Per Minute MAF SENSOR LB M Mass Air Flow Ibs min MAF COUNTS raw Mass Air Flow sensor output counts MANIFOLD PSI Manifold Air Pressure psi THROTTLE POS PCT Throttle Position percentage 0 100 THROTTLE VOLTS Throttle Position sensor output 0 5 volts MILES PER HOUR Miles Per Hour KNOCK RETARD Knock Retard degrees IGNITION ADVANCE ignition timing advance PULSE WIDTH injector 1 pulse width 4 amp 6 cylinder engines SHORT TRIM B1 short term fuel trim bank 1 SHORT TRIM B2 short t
15. on the full 10 bit conversion and are not rounded off for higher accuracy n Analog 2 Same as Analog 1 Uses the left pin of the three pin connector On the SRT 4 versions only if the gauge is not returned to scan mode after 10 minutes the menu will time out and return to normal scan mode on its own If the vehicle is shut off while the menu is displayed the unit will stay on for the remaining 10 minutes before timing out returning to scan and then turning itself off Powering down The Interceptor will automatically shut itself off within seconds of the ignition being turned off Dual SRT 4 units may not power down at the exact same time Non OBD2 powered gauges both single and dual may also momentarily turn on when the vehicle is locked or unlocked Non Volatile Memory The Interceptor does not require batteries or a continuous power source to maintain its memory This means that your data will not be lost if you disconnect the vehicle battery or disconnect the cable from the OBD2 port Precautions Unplug the Interceptor before disconnecting the battery or performing engine work to prevent damage to the unit The Interceptor s display is designed to operate continuously at temperatures up to 122 deg F 50 deg C The display may appear washed out for a minute or so if exposed to direct sunlight in hot climates after the car has been parked for an extended period of time If the gauge is mounted in such a way that it can
16. received a unique version of the Interceptor specific to your vehicle These versions display 2 parameters not shown on the page A1 list These are 1 Intake Air2 temp This is the temperature of the air exiting the intercooler This is a very useful tuning aid in determining the efficiency of the intercooler The lower this temperature the better 2 SC inlet pressure This indicates the pressure at the inlet of the supercharger It is the difference between the barometric pressure and the absolute pressure at the supercharger inlet The higher the value the more restrictive the intake air filter which is especially useful to know under boost This can be used to determine the effectiveness of aftermarket cold air intakes If the value of this parameter drops at wide open throttle after installing a new intake kit the restriction has been reduced and more power should be achieved SRT 4 This unit does not require a separate connection to power but otherwise operates identically to the GM and Ford versions It does not 15 support as many of the manufacturer specific parameters however It will also not display fuel economy or calculate horsepower because a Mass Air Flow sensor is necessary to accurately determine these parameters which the SRT 4 does not have The analog inputs and shift light all work as described Chrysler also uses a slightly different method of clearing DTC s Diagnostic Trouble Codes The clear a DTC the ignition
17. rrection factor applies to both These parameters are available on those cars using a factory Mass Air Flow sensor Net horsepower and fuel mileage can be closely calculated by knowing the mass air flow value However since each car is slightly different in efficiency this calculation can be adjusted if the exact peak hp is known after being run on a dyno or the MPG reading needs adjustment For example if the gauge indicates 300 hp and the net hp not rear wheel hp is determined to be 315 you can enter a correction factor of 1 05 adding 5 This is done by selecting this menu option and entering this factor There is no decimal shown so you will be entering this value as a three digit number For example 1 05 will be entered as 105 0 95 will be entered as 095 subtracting 5 Likewise if fuel mileage reading is known to be off by 5 say the gauge is reading 5 low enter a correction the same way 105 As with the shift light entry field you will use the left button to change the digit above the cursor Hitting the right button will move the cursor to the next digit After the last digit is entered you will return to the main menu The factory default value is 100 representing 1 00 or no correction factor Also if the MAF sensor has been recalibrated or replaced with one sized differently this correction factor can be used to compensate for this change For example if the original MAF is rated at 60lb min and the new one is 100 Ib
18. speed Selecting this option will take you to a screen saying vehicle must be at 0 mph before starting This indicates that the timer will not start until the vehicle is fully stopped and starts moving Once the vehicle starts moving the screen colors will invert and the timing will commence Once the 4 mile mark is reached a summary screen will appear showing 4 time and speed 1 8 mile time and speed and 0 60 time If you do not run a full 1 4 mile the measurement will eventually time out and indicate the 1 8 mile stats as well as 0 60 once the timeout occurs This timeout may take several minutes so it s JD k D best to coast a full 4 mile even if all you want is 0 60 or 1 8 mile times When finished viewing the results hit the right button to return to the main menu These statistics can be viewed again by choosing the Statistics menu option described below Please note that this measurement s accuracy is dependent upon the accuracy of the speed signal If the vehicle has non stock sized wheels or the rear axel ratio has been changed and the vehicle s speed sensor has not been recalibrated or the PCM reflashed accordingly the accuracy of these measurements will be effected Another way of stating this is that if your speedometer is inaccurate so will be these measurements In addition wheel spin will effect 1 8 and 1 4 mile e t s giving inaccurately lower times STATISTICS This menu option once selected
19. tion of a 12v wire or poor connection If the gauge randomly turns off and on while driving 90 of the time it is a poor connection to 12v or an improper circuit was tapped into such as a signal wire to the instrument panel This power wire is not needed on all vehicles if your cable has this separate red wire in the center of the 3 wire mini connector it needs to be connected as described above Most GM vehicles made through 2006 require this connection OBD2 connector me A 4 Figure 2 6 Connect the 0 5v analog inputs optional You will see 3 pins above the main connector on the back of the gauge as shown in figure 1 The 2 outer pins connect to the analog inputs The center pin is for switched 12v power as described above and may not be required The right side pin when looking at the rear of the gauge goes to analog input 1 The left pin is for analog input 2 See figure 1 Included in the gauge packaging is a 3 wire cable that connects here This connector is not keyed so it will attach either way Once attached to the gauge make note of which wire is for analog 1 and 2 You ll need to remember this if and when you connect a signal to these wires These inputs can be used to read the outputs from pressure senders A F ratio analog outputs 2 or 3 bar MAP sensors or any voltage up to 5v that you want to monitor and or record You can scale these signals with a menu function described below These inputs are rated
20. vehicle s computer memory See page A2 for a list and explanation of these codes CLEAR DTC s This selection will instruct the Interceptor to clear the vehicle computer of its stored trouble codes Be sure to make note of any code before clearing it INVERT This menu option inverts the colors on the display If the display currently has a black background with blue characters for example inverting will make it blue with black characters A dark background is called a negative image and is ideal for low light situations such as driving at night A light colored or white background is called a positive image and is easier to read in bright sunlight DIMMER Selecting Dimmer will take you to a new screen with a brightness value displayed between 1 3 1 is the dimmest 3 the brightest Using the left button you can raise this value until you reach 3 after which it will restart back at 1 Once the desired brightness is reached press the right button to return to the menu screen DATA RATE Choosing scan rate allows you to adjust the speed in which the display will update When selected a number from 1 to 6 will appear the higher the value the slower the scan rate The left button can be used to alter this value Select the new value by hitting the right button which will send you back to the main menu PERFORMANCE This selection will allow you to measure 0 60 mph 100 Km hr in the metric version 1 8 mile and 4 mile performance with
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