Directed Electronics G312R Quick start guide

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➤
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i
© 2003 directed electronics, inc.
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For a period of one calendar year from the date of purchase of this auto-security device,
Directed Electronics, Inc. promises to the ORIGINAL PURCHASER to repair or replace
(with a comparable reconditioned model), free of cost, any electronic control module
which proves to be defective in workmanship or material under normal use, SO LONG
AS THE SYSTEM WAS SOLD, INSTALLED, AND SERVICED BY A PROFES-
SIONAL AUTO INSTALLER, AND REMAINS IN THE CAR IN WHICH THE SYS-
TEM WAS ORIGINALLY INSTALLED. If warranty service is necessary you must have
a clear copy of your sales receipt containing all of the information shown on the follow-
ing page.
After the first calendar year, from the date of purchase of this auto-security device,
Directed Electronics, Inc., promises to the ORIGINAL PURCHASER to repair or replace
(with a comparable reconditioned model) any electronic control module which proves to
be defective in workmanship or material under normal use FOR A CHARGE OF $45.00,
SO LONG AS THE SYSTEM WAS SOLD, INSTALLED, AND SERVICED BY A
PROFESSIONAL AUTO INSTALLER, AND REMAINS IN THE CAR IN WHICH
THE SYSTEM WAS ORIGINALLY INSTALLED. If warranty service is necessary you
must have a clear copy of your sales receipt containing all of the information shown on
the following page.
This warranty contains the entire agreement relating to warranty and supersedes all pre-
vious and contemporaneous representations or understandings, whether written or oral.
IN ANY EVENT, DIRECTED ELECTRONICS, INC. IS NOT LIABLE FOR THE
THEFT OF THE VEHICLE AND/OR ITS CONTENTS.
This warranty is void if the product has been damaged by accident, unreasonable use,
neglect, improper service or other causes not arising out of defects in materials or con-
struction. This warranty is nontransferable and does not apply to any unit that has been
modified or used in a manner contrary to its intended purpose and does not cover bat-
teries. The unit in question must be returned to the manufacturer, postage prepaid. This
warranty does not cover labor costs for the removal, diagnosis, troubleshooting or rein-
stallation of the unit. For service on an out-of-warranty product a flat rate fee by model is
charged. Contact your authorized dealer to obtain the service charge for your unit.
These systems are a deterrent against possible theft. Directed Electronics, Inc. is not offer-
ing a guarantee or insuring against the theft of the automobile or its contents and dis-
claims any liability for the theft of the vehicle and/or its contents. Directed Electronics
does not authorize any person to create for it any other obligation or liability in connec-
tion with this security system.

ii © 2003 directed electronics, inc.
TO THE MAXIMUM EXTENT ALLOWED BY LAW, ANY AND ALL WAR-
RANTIES ARE EXCLUDED BY THE MANUFACTURER AND EACH ENTITY
PARTICIPATING IN THE STREAM OF COMMERCE THEREWITH. THIS
EXCLUSION INCLUDES BUT IS NOT LIMITED TO THE EXCLUSION OF ANY
AND ALL WARRANTY OF MERCHANTABILITY AND/OR ANY AND ALL WAR-
RANTY OF FITNESS FOR A PARTICULAR PURPOSE AND/OR ANY AND ALL
WARRANTY OF NON-INFRINGEMENT OF PATENTS, IN THE UNITED
STATES OF AMERICA AND/OR ABROAD. NEITHER THE MANUFACTURER
OR ANY ENTITIES CONNECTED THEREWITH SHALL BE RESPONSIBLE OR
LIABLE FOR ANY DAMAGES WHATSOEVER, INCLUDING BUT NOT LIMIT-
ED TO ANY CONSEQUENTIAL DAMAGES, INCIDENTAL DAMAGES, TOW-
ING, REPAIR, REPLACEMENT, DAMAGES FOR LOSS OF TIME, LOSS OF
EARNINGS, COMMERCIAL LOSS, LOSS OF ECONOMIC OPPORTUNITY
AND THE LIKE. NOTWITHSTANDING THE ABOVE, MANUFACTURER
DOES OFFER A LIMITED WARRANTY TO REPLACE OR REPAIR THE CON-
TROL MODULE AS DESCRIBED ABOVE. Some states do not allow limitations on
how long an implied warranty will last or the exclusion or limitation of incidental or con-
sequential damages. This warranty gives you specific legal rights, and you may also have
other rights which vary from state to state.
IIMMPPOORRTTAANNTTNNOOTTEE::
This product warranty is automatically void if its date code or serial number is defaced,
missing, or altered. This warranty will not be valid unless you have completed the war-
ranty card and mailed it to Directed Electronics, Inc. within 10 days after purchase to the
address listed on the warranty registration card.
Make sure you have all of the following information from your dealer:
A clear copy of the sales receipt, showing the following:
➤Date of purchase
➤Your full name and address
➤Authorized dealer's company name and address
➤Type of keyless entry installed
➤Year, make, model and color of the automobile
➤Automobile license number
➤Vehicle identification number
➤All security options installed on automobile
➤Installation receipts

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© 2003 directed electronics, inc.
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lliimmiitteeddlliiffeettiimmeeccoonnssuummeerrwwaarrrraannttyy................................................................................ii
wwhhaattiissiinncclluuddeedd............................................................................................................22
iinnssttaallllaattiioonnttoooollss............................................................................................................22
iimmppoorrttaannttiinnffoorrmmaattiioonn..................................................................................................33
system maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
your warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
fcc/id notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
pprriimmaarryyhhaarrnneessss((HH11)),,1122--ppiinnccoonnnneeccttoorr......................................................................55
rreellaayyhhaarrnneessss((HH22)),,66--ppiinnccoonnnneeccttoorr..............................................................................66
iinnssttaallllaattiioonn....................................................................................................................77
step 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
step 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
step 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
step 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
step 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
step 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
step 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
step 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
step 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
step 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
ttrraannssmmiitttteerrffuunnccttiioonnss..................................................................................................3322
standard configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
ttrraannssmmiitttteerr//rreecceeiivveerrlleeaarrnnrroouuttiinnee................................................................................3344
ooppeerraattiinnggsseettttiinnggsslleeaarrnnrroouuttiinnee..................................................................................3377
to access another feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
to exit the learn routine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
ffeeaattuurreessmmeennuu............................................................................................................3399
ffeeaattuurreeddeessccrriippttiioonnss....................................................................................................4400
uussiinnggyyoouurrssyysstteemm......................................................................................................4422
locking with transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
unlocking without transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
ignition-controlled door locks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
turn-off system with Valet/Program switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
panic mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
silent mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
ccooddeehhooppppiinngg™™rree--ssyynncchhrroonniizzee................................................................................4433
ssyysstteemmeexxppaannssiioonniitteemmss..............................................................................................4444
gglloossssaarryyoofftteerrmmss........................................................................................................4455
wwiirriinnggqquuiicckkrreeffeerreenncceeddiiaaggrraamm..................................................................................4466
nnootteess..........................................................................................................................4477

2© 2003 directed electronics, inc.
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➤Control Module
➤Two 3-Button Transmitters
➤12-Pin H/1 Main Harness
➤6-Pin H/2 Secondary Harness
➤Plug-in Status LED
➤Plug-in Valet®/Program Button
iinnssttaallllaattiioonnttoooollss
➤Digital Multi-Meter
➤Drill
➤9/32 and 5/16 Drill Bits
➤Screwdrivers
(Phillips and Flathead)
➤Wire Stripper
➤Solder Iron
➤Electrical Tape
➤Pliers
➤Crimping Tool
note: The installation tools required will vary depending
on your vehicle.

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© 2003 directed electronics, inc.
iimmppoorrttaannttiinnffoorrmmaattiioonn
Congratulations on the purchase of your keyless entry with secu-
rity features. This system will allow convenient access to your
vehicle with the push of a button, as well as other optional
features. Properly installed, this system will provide years of
trouble-free operation.
Please take the time to carefully read this Owner’s/Install Guide
in its entirety and watch the Rattler Do-It-Yourself Installation
Video prior to installing your system.
You can print additional or replacement copies of this manual by
accessing the Directed web site at www.diyrattler.com.
system maintenance
The system requires no specific maintenance. Your transmitter is
powered by a miniature 3-volt battery (type CR2032) that will
last approximately one year under normal use. When the battery
begins to weaken, operating range will be reduced.
➜
important! If you are not comfortable working with elec-
tronics or unfamiliar with the tools required, please con-
tact your local dealer for advice or ask to have the system
professionally installed to avoid costly damages. Failure
to properly install the system may result in property dam-
age, personal injury, or both.

4© 2003 directed electronics, inc.
your warranty
Your warranty registration must be completely filled out and
returned within 10 days of purchase. Your product warranty
will not be validated if your warranty registration is not returned.
Please note that it is necessary to keep your proof of purchase.
fcc/id notice
This device complies with Part 15 of FCC rules. Operation is
subject to the following conditions: (1) This device may not
cause harmful interference, and (2) This device must accept any
interference received, including interference that may cause
undesirable operation.
Changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to
operate this device.
➜
➜

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© 2003 directed electronics, inc.
pprriimmaarryyhhaarrnneessss((HH11)),,
1122--ppiinnccoonnnneeccttoorr
HH11//11
HH11//22
HH11//33
HH11//44
HH11//55
HH11//66
HH11//77
HH11//88
HH11//99
HH11//1100
HH11//1111
HH11//1122
ORANGE (-) 500 mA Ground-When-Armed Output
BLACK/WHITE (-) 200 mA Dome light Supervision Output
WHITE (+) Light Flash Output
WHITE/BLUE (-) 200 mA Channel 3 Validity Output
NOT USED
BLUE (-) 2nd Unlock
NOT USED
BLACK (-) Chassis Ground Input
YELLOW (+) Ignition Input, Zone 5
BROWN (-) Horn Output
RED (+) 12V Constant Power Input
RED/WHITE (-) 200mA Channel 2 Validity Output

6© 2003 directed electronics, inc.
rreellaayyhhaarrnneessss((HH22)),,
66--ppiinnccoonnnneeccttoorr
*note: VIOLET and VIOLET/BLACK are common at
the fuse holder.
HH22//11
HH22//22
HH22//33
HH22//44
HH22//55
HH22//66
WHITE/BLACK Lock #87A Normally Closed
GREEN/BLACK Lock #30 Common–Output
VIOLET/BLACK* Lock #87A Normally Open–Input
BROWN/BLACK Unlock #87A Normally Closed
BLUE/BLACK Unlock #30 Common–Output
VIOLET Unlock #87 Normally Open–Input

7
© 2003 directed electronics, inc.
iinnssttaallllaattiioonn
Be sure to read this section thoroughly and view the Rattler Do-
It-Yourself Installation Video in its entirety before starting the
installation. Pay special attention to all warnings to prevent
personal injury or damage to your vehicle.
Visit our 24-hour technical Web site (wwwwww..ddiiyyrraattttlleerr..ccoomm) to get
a vehicle-specific wiring guide prior to starting this installation. If
at any time during the installation you are unable to answer your
questions on the Web site, call 11--880000--887733--11331144for live technical
assistance.
warning! Verify that the vehicle transmis-
sion is set to park and that the parking
brake is set before beginning installation.
warning! DO NOT use any testing tool
other than a digital multi-meter to prevent
costly damages to your vehicle. Use of a test
light may cause grounding of sensitive elec-
trical components that can damage the on-
board vehicle computer and processors
resulting in substantial cost for replacement.
warning! On vehicles with air bags or sup-
plemental restraint systems (SRS) you may
notice a bright yellow tube with small wires
in it marked SRS underneath the steering
column near the key cylinder. DO NOT
tamper or unplug these for any reason to
prevent costly damages to your vehicle or
personal injury. Tampering may cause
unintended deployment of airbags.

8© 2003 directed electronics, inc.
step 1
Plug-in LED and Valet/Program switch
The LED and the Valet®/Program switch both plug into the
control module. The status LED plugs into the white two-pin
port, while the Valet®/Program switch should be plugged into
the blue two-pin port. The status LED and Valet®/Program
switch each fit into 9/32–inch holes.
SSttaattuussLLEEDDVVaalleett//PPrrooggrraammSSwwiittcchh
When mounting the LED it will be necessary to locate an area on
the dash that is visible from all sides of the vehicle, and has at
least 1 inch of clearance behind the mounting area. It is recom-
mended that a factory "pop-out" be used for the LED mounting,
using a 9/32 drill bit drill a hole in the location selected, feed the
LED through the hole, press the LED firmly until it snaps into
place. Run the wires to the selected control module mounting
note: The security features consist only of ignition watch
where the horn will honk if the keyless system sees igni-
tion when locked and the security feature is turned on in
the features learned routine.
DIA-41
➜

9
© 2003 directed electronics, inc.
location using caution to NOT run the wires near any moving
objects or excessive heat.
The Valet®/Program switch is usually mounted under the dash
or in the glove box, the same precautions used for the LED
should be followed. Once a location has been selected drill a
9/32 hole, feed the wires through the hole and press the switch
firmly until it snaps into place. Run the wires to the same loca-
tion as the LED using caution to NOT run the wires near any
moving objects or excessive heat.
step 2
Ground Wire
The BLACK (H1/8) wire on the main 8-pin harness is ground.
This wire should be connected to a clean, paint-free area of metal
in the drivers kick panel area. First strip back a ¾-inch section of
the insulation off the BLACK wire and crimp a ring terminal
(not provided) to that wire. Locate a clean, paint-free metal
surface in the drivers kick panel. Using a self-tapping screw, drill
the screw with the ring terminal to the metal area. Once screwed
down, pull on the wire to ensure a good connection.
note: More problems are attributed to poor ground con-
nections than any other cause. Take extra care to ensure
the ground is clean and secure.
➜

10 © 2003 directed electronics, inc.
step 3
Constant Power and Ignition wires
Almost all power and ignition wires can be found behind the key
cylinder under the lower drivers side dash panel. Using the
appropriate hand tools, remove the lower dash panel using care
not to break any parts. If the panel does not come off easily
check for any additional screws you may have missed.
Once the lower dash panel has been removed, locate the ignition
harness at the back of the key cylinder. This is usually a group of
➜
SELF-TAPPING
BOLT OR SCREW
RING
CONNECTOR
GROUND
WIRE
NOTE: REMOVE ANY PAINT
BELOW RING CONNECTOR
DIA-591

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© 2003 directed electronics, inc.
thicker wires. With the ignition harness exposed, use your digital
multi-meter to find your power and ignition wires.
Place the black lead of the meter to a clean metal surface in the
kick panel area and secure it. Put the meter in the DC voltage
position, then take the red lead of the meter and probe one of the
thicker gauge wires. The color and identity of your specific
vehicle wiring can be obtained at www.diyrattler.com. With the
key in the OFF position, test the suspect wire. The constant
power wire will read between 11.00 volts and 13.00 volts.
Once the constant power wire has been identified, solder the
RED (H1/11) wire from the 12-pin harness to it and cover the
connection with electrical tape to ensure a safe connection.
With the meter black lead still in the kick panel, locate the igni-
tion wire harness in the same location. It will test differently than
constant (+)12 volts. Locate the suspected wire using the
www.diyrattler.com Web site and place the red lead of the meter
on the suspected wire. With the key in the off position the meter
will read 0.00 volts. Turn the key to the on position and the meter
should read between 11.00 volts and 13.00 volts. Now watching
the meter, turn the key to the crank position and the voltage
should drop a small amount but not disappear. If the voltage
disappears this is not an ignition wire but an accessory wire. If the
wire meters correctly, solder the YELLOW (H1/9) wire from the
12-pin harness to it and cover the connection with electrical tape.

12 © 2003 directed electronics, inc.
step 4
Starter wire
The starter wire will be located in the same harness as the ignition
and constant power. Leaving the meter black lead connected to
the metal ground.
Find the wire suspected to be the starter wire according to the
web information on your vehicle. Place the red lead of your
meter on the wire. With the key in the off position the meter
should read 0.00 volts and will stay at 0.00 volts in all key posi-
tions except the crank position. In the crank position your meter
should read between 10.00 volts and 13.00 volts, and will drop
back to 0.00 volts when the starter disengages. Once you locate
the starter wire, cut the wire in half and try to crank (start) the
vehicle. (Always check the Web site information on your vehicle
for warnings regarding the starter wire and check engine lights.
Some vehicles will trip a check engine light if the starter wire is
cut.) If the vehicle does not crank, the correct wire has been
note: Optional 8618 starter kill relay is required.
➜

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© 2003 directed electronics, inc.
identified.
step 5
Parking light flash
There are several different types of parking light circuits. The
following description is for a standard positive-triggered parking
light circuit, usually located at the light switch. If the web vehicle
information suggests a different type of parking light circuit,
please contact Rattler Technical Support.
Using the web information on the vehicle, locate the suspected
wire and place the BLACK lead of the meter to a ground and
secure it. Place the multi-meter in the DC position. Using the
RED lead of the meter, probe the wire. With the light switch in
the off position the meter will read 0.00 volts. While watching
the meter, turn the switch to the parking light position. The
meter will read between 10.00 volts and 13.00 volts.
➜

14 © 2003 directed electronics, inc.
Once you have identified the correct wire, solder the WHITE
(H1/2) wire on the main connector to it and cover the connec-
tion with electrical tape.
step 6
Door locks
The system comes with a built in relay pack for door lock oper-
ation. When attempting to interface the power door locks with
your system it is important to understand that there are multiple
types of door locking systems in today's vehicles. To determine
your vehicle’s power door lock system, check the web information
on your vehicle.
If your door lock system is a different type than described in this
guide, go to www.diyrattler.com to download the door lock
➜
iimmppoorrttaanntt::While reading the meter turn (adjust) the
dash dimmer control switch. The voltage should not vary
on the meter. If the voltage does vary the incorrect sus-
pected wire has been tested. Find the correct wire and
retest.

15
© 2003 directed electronics, inc.
guide. The door lock guide identifies the type of system for your
vehicle. With the built in door lock relays you can properly
interface the power locks with your security system. If you are
unable to identify your door lock system with the web informa-
tion please contact Rattler Technical Support.
Although there are numerous types of door lock circuits, the
most common is the negative triggered door lock system. If your
vehicle has a negative triggered door lock system, follow the steps
below. If your vehicle has any other type of door lock system
then, the easiest way to determine which type of door lock
system you are working with is to remove the master locking
switch itself, which is usually on the driver’s door or on the
center console. Once you have determined which type of factory
door lock circuit you are working with, and the color codes of
the switch wires to be used, you can usually simplify the instal-
lation by locating the same wires in the vehicle’s kick panel. If no
central locking switch is found, the installation may require a
door lock actuator.
There are eight common types of door lock circuits (some vehi-
cles use more unusual systems):
note: Always retest the wires in the kick panel to be sure
they function the same way as the wires on the switch.

16 © 2003 directed electronics, inc.
■TTyyppeeAA::Three-wire (+) pulse controlling factory lock relays.
Most GM, some Ford and Chrysler, 1995 Saturn, some new
VW, newer BMW.
■TTyyppeeBB::Three-wire (-) pulse controlling factory lock relays.
Most Asian vehicles, early Saturn, some BMW and Porsche.
■TTyyppeeCC::Direct-wired reversing-polarity switches. The switch-
es are wired directly to the motors. This type of system has no
factory relays. Most Fords, many GM two-doors cars and trucks,
many Chryslers.
■TTyyppeeDD::Adding one or more aftermarket actuators. These
include slave systems without an actuator in the driver’s door,
but with factory actuators in all the other doors. Type D also
includes cars without power locks, which will have actuators
added. All Saabs before 1994, all Volvo except 850i, all Subaru,
most Isuzu, and many Mazdas. Some mid-eighties Nissans, pre-
1985 Mercedes-Benz and Audi.
■TTyyppeeEE::Electrically-activated vacuum systems. The vehicle
must have a vacuum actuator in each door. Make sure that lock-
ing the doors from the driver's or passenger side using the key
activates all the actuators in the vehicle. This requires a slight
modification to the door lock harness. Mercedes-Benz and Audi
1985 and newer.
■TTyyppeeFF::One-wire system - cut to lock, ground to unlock. This
system is found in late-model Nissan Sentras, some Nissan
240SX, and Nissan 300ZX 1992 and later. It is also found in
older Mitsubishis, and some early Mazda MPV’s.
■TTyyppeeGG::Positive (+) multiplex. This system is most common-

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© 2003 directed electronics, inc.
ly found in Ford, Mazda, Chrysler and GM vehicles. The door
lock switch or door key cylinder may contain either one or two
resistors.
■TTyyppeeHH::Negative (-) multiplex. The system is most common-
ly found in Ford, Mazda, Chrysler and GM vehicles. The door
lock switch or door key cylinder may contain either one or two
resistors.
at the switch
■Three-wire switches will have either a constant ground input or
a constant (+)12V input, along with the pulsed lock and unlock
outputs to the factory relays.
■Many BMW’s and VW’s have no external switch. The switches
are inside the actuator, and instead of pulsing, the proper wires
will flip-flop from (+)12V to (-) ground as the door locks are
operated.
■Direct-wired switches will have a (+)12V constant input and one
or two (-) ground inputs, along with two output leads going
directly to the lock motors.