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Fax On Demand Section 5 - Document #115 - Sheet 4 of 6
If you are using the relay and relay harness included with Model 20028, the
connections are as follows:
Harness Wire
Black
To Brown/White wire of AutoCommand
White
Blue
Red
18. White/Black Wire - IGN 3 / VATS - Control Harness
The WHITE/BLACK wire which is optional, is a 400 mA transistor ground out-
put that acts just like the IGN1 or IGN2 relay outputs (active in the "run" and
"crank" positions). This wire is a negative transistor output and MUST be
set up to power a relay (not included). It can be used to power the third
ignition wire at the ignition key (necessary for vehicles such as: Lincoln Conti-
nental, Town Car, and Grand Marquis).
19. Red/White Wire - Alarm Input - Control Harness
The RED/WHITE wire is the alarm input. This wire will accept any negative
alarm input, including: door inputs, shock sensors, radar sensors, etc. Any
sensor that supplies a negative or ground output when activated is accept-
able.
If you are using a sensor or input that switches to (+) when triggered, you will
need to reverse the polarity before connecting to this RED/WHITE wire (Ford
door switches for example).
The AutoCommand
®
is "Last door arming" and "negative going trigger". You
should diode isolate the inputs of two or more sensors on the same input wire.
If you choose not to use this alarm feature then permanently ground this wire.
20. Keyless Entry Wires
The three wires function as follows:
Lt. Green
Trunk (Transistor Ground output – Relay required)
Yellow
Negative – Unlock
White
Negative – Lock
Determine the polarity of your door lock system using a test meter.
For NEGATIVE locks (the lock wire sees a ground signal briefly as the electric
locks are locked) -- connect the Yellow wire to the Unlock wire and the White
wire to the Lock wire.
For POSITIVE locks (the lock wire sees a +12 volt signal briefly as the electric
locks are locked but does not see ground when they are inactive) connect the
Yellow wire to the Lock wire and the White wire to the Unlock wire.
For REVERSING POLARITY (the lock wires sees a +12 volt signal briefly as
the electric locks are locked and sees a ground signal when they are inactive)
connect them per the diagram below:
Example of Reverse Polarity Lock hookup with White wire. Repeat with sec-
ond relay using the Yellow wire and the Unlock vehicle wire. Note that the
vehicle lock and unlock wires are cut in half in each case.
Most VACUUM operated door lock systems are positive but require Option 18
for Long locks to be set.
You must have hooked up all required wires and completed Initialization (Step
12) to proceed forward.
21. Trying the Unit Out
WARNING: Be prepared to apply the brake during this testing. Close the
hood, fully apply the emergency brake, and place the vehicle in Park. Turn the
On/Off switch on -- the red LED will flash once.
DesignTech disclaims any liability or responsibility arising out of any inaccuracies of this information or use of this information in installation or otherwise.
©1998 All Rights Reserved
DesignTech International, Inc.
Connections
®
Tap into Blue IGN1 wire of AutoCommand
To engine side of cut starter wire
To key side of cut starter wire
3 Wire Plug-in Harness
Positive – Lock
Positive – Unlock
Section 5 - Page 20
A.
Once all the wiring is checked and is correct, put the car in park, toggle
the control switch off then on, then press the middle button on the trans-
mitter.
B.
The car should start and continue to run for ten minutes. Please make
sure that the engine shuts down if the car is taken out of park, the hood is
®
opened, the brake is pressed or the transmitter button is pushed again. If
the car does not start see Special Cases or Code Learning section.
22. The Antenna
Feed the coax antenna around under the dash and up the inside of the right or
left windshield post and over the top of the windshield. Use the 2 enclosed
antenna clips to mount the last clear eight inches behind the rear view mirror
and two inches below the metal of the car. Clean the windshield with the
alcohol pad provided for maximum adhesion. Use the 2 double stick foam
tape pieces to mount the antenna clips. The better exposed the clear tube
section of the antenna is the better the range performance. Now plug the end
of the antenna into the AutoCommand module. In some vehicles you will get
better range performance if the antenna is pointing vertically downward from
the top of the windshield.
Note : The wiring section of the installation is now complete. Be sure to cap
all unused wires so as to prevent short circuits, and mount the module se-
curely under the dash. When tying up and mounting, be sure to avoid any
moving parts (steering column, pedals) and sharp edges.
23. Trouble Shooting with the Self Diagnostics
The AutoCommand
®
contains a built in diagnostic routine that will indicate why
the unit started or why the unit turned off the car the last time that the unit was
used.
To activate the diagnostic mode for why it turned off, simply turn the On/Off
control switch to the "OFF" position. In a few seconds, the red LED on the
module will flash 1 to 12 times to identify the problem. See the chart below for
an explanation of the flashes:
1 flash
10/15 minute time out. Unit should be fine.
2 flashes
Unit turned off because Brake or Hood was activated.
3 flashes
No Tach or Stalled. Review Step 13.
4 flashes
Received another remote input from the transmitter
5 flashes
Transmission was shifted into gear. Call for tech help.
6 flashes
Low battery voltage, or may be missing an ignition wire which
powers up the alternator
7 flashes
Alarm Input triggered
8 flashes
Over current - One of the 400 mA (-) transistor outputs (Starter
kill, lock, unlock, horn, lights, or trunk) of the control harness is
driving too much current. Make sure to use a relay where
necessary.
12 flashes The Control Switch was turned off.
For reasons why it last started, simply put your foot on the brake while you turn
the switch off. Keep holding the brake down until the flashes start. The codes
are as follows:
1 flash
The unit has not started yet since it was last powered up.
2 flashes
Received a radio signal from the transmitter to start.
3 flashes
N/A
4 flashes
Temp reached 0
o
5 flashes
Voltage reached 11 volts in vacation mode.
6 flashes
Received a start command from the optional Pager Unit.
7 flashes
Started from 24 hour daily start feature.
24. Setting Program Features:
®
The AutoCommand
unit has 21 special features available. You will not need
to use these special features in most situations. The factory settings will oper-
ate most vehicles. You must turn the On/Off control switch to the "OFF"
position to program any features. Note that when turning off this control
switch, the red LED will flash a few times, giving the diagnostic code described
in Section 23. Wait a few seconds for it to finish before programming your
new Options.
Feature #
Factory Setting (2 flashes)
1
"No-Tach"
2
10 min. run time
3
Normal Crank
4
Normal Crank
5
Normal Voltage Metering
6
Gasoline vehicles
7
"Enable" feature
8
Normal
9
Normal
10
Normal
4
F in vacation mode.
Option (1 flash)
Tach Mode
15 min. run time
Extended Crank
Super Crank
Ignore Voltage Metering
Diesel vehicles
No "Enable"
Daytime Running Lights
Diesel Wait to Start
Ign. 2 not active during crank
DesignTech International, Inc.
1-800-DESIGNTECH
www.designtech-intl.com
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