Audiovox IMO-720 User's Manual
Contents
1. Model IMO 720 SS Installation Manual IMO 720 Two Circuit Immobilizer System Kit Contents Control Module 5 Pin Main Control Module Wiring Harness 4 Pin High Current Inhibit Circuit Wiring Harness Valet Override Switch LED Combination Assembly 2 Pin Exciter Coil Consumer Transponder Information Kit Operation The IMO 720 Immobilizer is a passive arming security system When the ignition switch is turned off the LED begins to flash rapidly indicating that the circuit will arm in 15 seconds After the 15 second arming period the LED will begin it s slow flash pattern indicating that the circuit is armed NOTE The arming cycle can be suspended anytime during the initial 15 seconds by turning the ignition switch to the on position Once the circuit has armed the vehicle will not start unless a programmed transponder is used or the manual override sequence is operated When the vehicle door is opened or when the ignition switch is turned to the on position the exciter coil is energized and capable of reading a programmed transponder When a transponder is placed within the exciter coil s field Appx 6 the unit disarms This is indicated by the LED turning off Because the programmed transponder is attached the vehicle s key ring the operation of this unit is transparent to the user Arming and Disarming takes place automatically Control Module Mounting Select an inconspicuous mounting loc2. 2000 UL 950 JON OG UMS utd JOOG OL SIM 00G AYSO 2 SUONISOg HEIS UO UJ NT SI EUL BUNS aiM SILL JOBUUED Mduj vopub MOTIAA 2 Z BAS BANISOd 5 YMS 941 SN ION OG YAMS 1000 WIM si 100q JYIM IRAN 10 punog 95525 OL M SIUL POUUOD PUNDID 55525 JYIM S asy NOJO 4O apis Koy OL M 814 DAUD JO PEWUOD 0 6 Buniqiyuy aay PNOO 941 JO SUL OL AM SIUL PAUUOD JO Peu UL JO PIS OL AM 5141 JOSUUOD Z HALU JO PLOD WOOD Ltt UL JO hoy SUL OL M SIY JOOUUOD Z NUO JO O N 9 128 5342A
3. components Do not connect this wire until instructed later under the heading Final Connections 2 Black Wire Chassis Ground This is the ground source for the control circuit Connect this wire to a known ground source or to a clean non painted metal section of the vehicle chassis NOTE Be certain to remove any paint to insure a proper ground is made 3 Yellow Wire Ignition Input This is the ignition input wire for the control circuit This wire also controls operation of the on board relays When the circuit is armed and this wire has 12 volts the on board relays do not energize thereby interrupt the flow of current to the inhibit circuit s they are connected to This wire must be connected to a source that has 12 volts when the ignition switch is turned to the run and start positions and must have 0 volts when the ignition switch is in the off position This wire also wakes up the exciter coil to allow the transponder to receive and transmit information to the control circuit s arming and disarming functions NOTE This immobilizer utilizes a normally open relay configuration Be certain that the 1 12 Volt 2 Chassis Ground 3 Ignition Control wires are securely connected to their proper location to insure vehicle operation 4 Brown Wire Negative Door Input This is the negative door input control wire which wakes up the exciter coil in negative pin switched door applications Typically General Motor and some Imports
4. are not to pinch the wire s of the routed exciter coil harness Vehicles with dash mounted ignition switches Remove the lower dash panel to gain access to the ignition key cylinder Carefully remove the ignition key cylinder from it s dashboard mounting Place the loop coil over the ignition cylinder and reinstall the ignition key cylinder into it s dashboard mounting location Route the twisted pair of wires Black and Black w White stripe toward the control module In some cases it may be difficult to remove the cylinder from it s mounting location in other cases by placing the coil and reinstalling the cylinder the coil will be crushed For these applications it is possible to place the loop coil along side the ignition cylinder from behind the dash panel It is extremely important that you mount the loop coil as near to the key cylinder as possible to assure operation Please review the loop coil field and transponder relationship diagrams shown right side of the diagram below gt 6 Front View 6 FIX EXCITER ANTENNA Shown Is A f LOOP AROUNG IGNITION Typical Field Coil SWITCH CYLINDER Pattern Appx 6 Wiring The Control Module 5 Pin Main Wiring Harness 1 Red Wire 12 Volt Supply This is the constant on battery source for the control circuit This wire is to be connected to a constant 12 volt source using the 5 amp fuse provided This wire will be connected last after wiring all other
5. ation below the driver s side dashboard that is within 30 inches of the ignition key cylinder Be certain your chosen location is away from the vehicle s steering shaft column to prevent interference with the proper operation and control of the vehicle Secure the module to a existing brace or wiring harness using cable ties Mounting The Valet Override Switch LED Assembly Select a mounting location within the drivers area that is accessible to the operator of the vehicle and clearly visible from the outside of the vehicle s front left and right windows This switch does not have to be hidden as the system cannot be disarmed unless the pre programmed transponder is used or the custom override code sequence is operated Mounting The Exciter Coil The loop exciter antenna coil is designed to be placed around the vehicle s ignition key cylinder In certain vehicles it will be necessary to remove the shroud surrounding the steering column in other vehicles it may be necessary to remove the cylinder from the dash panel The information below references both these applications Vehicles with steering column ignition cylinders Remove the upper and lower half of the steering column shroud to gain access to the ignition key cylinder Place the loop coil around the ignition cylinder Route the twisted pair of Black and Black w White stripe wires toward the control module Replace the upper and lower halves of the steering column shroud using c
6. ders introduce the second transponder to the coil LED Flashes two times 8 Turn the ignition switch off The unit will now respond to the Dealer Master transponder and any Dealer Salespersons transponder within the group of the just programmed transponder or the consumer transponders if so programmed NOTE The program mode will terminate if the ignition switch is turned off for more then 5 seconds or if 15 seconds of inactivity expire during any of the steps above It is important that the door open sequence in the first step of programming be used or the unit will not enter the program mode NOTE If the consumer transponder is programmed the dealer transponder will be erased and rendered inoperative When the dealer transponder are programmed the consumer transponders will be erased and rendered inoperative For security reasons the system will not allow both consumer and dealer transponders to operate the same system NOTE Before delivery of the vehicle to the consumer consumer transponders will have to be programmed to operate the vehicle The system will accept any consumer transponder providing the Dealer Master is used to access the program mode See Owners Guide for specific information concerning consumer transponder programming Testing The System After installation is complete it is important to test the system for proper operation Arming and Inhibit 1 Separate the programmed transponder from the ignition key a
7. gnition switch to the position Within 10 seconds begin to enter tenths digit of override code In this example the code is 11 so press the Valet Override push button one time Within 10 seconds of entering the last tenths digit turn ignition off then on Within 10 seconds of the ignition switch turning on begin to enter units digit of override code In this example the code is 11 so press the Valet Override push button one time Within 5 seconds after the last units digit is entered turn the ignition switch off then on and start your vehicle If the manual override code is entered properly the LED turns off indicating a successful override The system is now disarmed and you can start and operate the vehicle The unit will allow three attempts to disarm via manual override If the code is not successfully entered within the three attempts the manual override mode is locked for 10 minutes Once you ve completed testing the system disarm the unit one time with a DLU to be certain coding has been done properly and to insure the valet and override modes are inaccessible unless using a Master Transponder yams FENER z LE Q gt MOS 5 BdINOS OA ZL OL ANIA SIUL PULOJ BONOS HOA ZL 19 51
8. nd move it out of range from the exciter coil 2 Turn the ignition switch to the off position The LED will begin to flash rapidly This will continue for 15 seconds After the arming period the LED will begin to flash slowly indicating the system is armed 3 With the system armed attempt to start the vehicle Depending on the circuits interrupted the vehicle may or may not start but should not continue to run Disarming The System 1 After step 3 above move the programmed transponder within range of the exciter coil and start the vehicle This time the vehicle should start and run properly Valet 1 Turn the ignition switch to the on position and disarm the system with a programmed transponder or by use of the override sequence 2 While the ignition is on press and hold the push button override switch until the LED turns on solid Appx 5 Seconds 3 To exit the valet mode with the ignition switch on press and release the push button override switch LED turns off Manual Override The IMO 720 utilizes a programmable override for disarming the system in case the transponder is lost broker or otherwise rendered inoperable The override code programmed from the factory is 11 NOTE The valet override push button switch is used to enter the tenths and units digits pressing and releasing this button one time for each digit required To Test The Manual Override Function LED is flashing indicating unit is armed Turn the i
9. nder to insure proper coding for the particular dealership If the unit is being programmed for the consumer transponders have all the consumer transponders available as these will be used during step 7 below you ve entered the program mode all transponder codes that were previously stored will be erased Only the Dealer Group Transponders DLM amp DLU or the consumer transponders programmed during the pro gramming sequence will operate the unit The DLU transponder does not have to be programmed as programming the DLM will allow operation from the DLU within that group NOTE It is important that no transponder is within range of the Exciter Coil until instructed to so Start with The System Armed all doors closed and the ignition switch off 1 Open the vehicle door and turn the ignition switch to the position 2 Within 10 seconds press and release the Valet Override push button switch one time Within 10 seconds turn ignition switch off then on Within 10 seconds press the Valet Override push button one time Turn the ignition switch off then on The LED Turns Off Within 5 seconds begin to cycle the ignition switch off then 3 times LED Turns On Within 10 seconds of the LED turning on hold the to be programmed Dealer Master DLM transponder or consumer transponder within range of the exciter coil until the LED flashes one time and then turns off If programming consumers transpon
10. t the feed wire of one of the chosen inhibit circuits Low current starter Ignition supply or Electric Fuel Pump supply and route the pair of wires 6 amp 7 from the control module to the cut wires 3 Connect wire 6 to the key side of the cut wire Connect wire 7 to the device side of the cut wire At a convenient location cut the feed wire of the remaining chosen inhibit circuit and route the pair of wires 8 amp 9 from the control module to the cut wires Connect wire 8 to the device side of the cut wire Connect wire 9 to the key side of the cut wire NOTE It is imperative that the above connections are secure as they will prevent proper operation if they become loose or disconnected If using butt connectors pull on the connections to insure their integrity If splicing these connections it is best to solder and then tape the joints to be certain that they are secure Final Connections Route the two pin plugs from the Exciter Coil LED and Override Valet Switch to the control module and plug each into the mating connector on the control module Now connect wire 1 to a constant 12 Volt source Programming Dealer Or Customer Transponders First Time Power Up When the IMO 720 is first powered up it will be in the armed mode The unit was shipped from the factory with a DLM 1 being the last transponder programmed NOTE Before beginning the program sequence have available the proper Dealer Group Master Transpo
11. vehicles use negative switched door pin switch circuits Connect this wire to the wire that switches to ground when the drivers door is opened 5 Purple Wire Positive Door Input This is the positive door input control wire which wakes up the exciter coil in positive pin switched door applications Typically Ford Lincoln and Mercury and some Imports vehicles use positive switched door pin switch circuits Connect this wire to the wire that switches to positive 12 volts when the drivers door is opened NOTE Wire 4 negative door input or wire 5 positive door input along with wire 3 ignition input are used to wake up the exciter coil enabling the transponder to receive and transmit information to the control circuit In addition these wires are used during the transponder programming sequence Itis imperative that one of these wires 4 or 5 be used in all applications dependent on the door pin s switching polarity 4 Pin Inhibit Control Harness 6 Inhibit Circuit Relay 1 Open Contact 7 Inhibit Circuit Relay 1 Common Contact 8 Inhibit Circuit Relay 2 Common Contact 9 Inhibit Circuit Relay 2 Open Contact The onboard 30 Amp inhibit circuit relays are capable of interrupting any circuit that will prevent the vehicle from running These circuits include Starter Ignition or Electric Fuel Pump To interrupt these devices 1 Locate the low current feed wires for any two of these circuits 2 Ataconvenient location cu
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