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post #1 of 6 (permalink) Old 01-15-2004, 04:00 PM Thread Starter
 
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keyless entry

what could be some reasons y the keyless entry dosent work on my car 89 cougar ls
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post #2 of 6 (permalink) Old 01-19-2004, 11:21 AM
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Are you referring to the keypad, or the remote transmitter operation? Pinpoint tests for this problem (based on what I've seen in the 1993 Service Manual as I don't have one for 1989), are rather extensive.

In general:

Keypad or keypad connector
Keyless entry module or connectors
Keyless entry circuitry
Damaged module antenna
Worn/damaged remote transmitter
Dead remote transmitter battery

From the 1993 manual, the operation of the keyless entry system receives inputs from the following:

Front door handles
Driver's seat sensor
Transmission backup lamp switch
Ignition switch
Electric door lock/unlock switches
Courtesy lamp switches
Door ajar switches
Keypad
Program connector
Transmitter(s)

The system distributes output to the following:

Keypad illumination
Convenience lamps
Door lock actuators and motors
Luggage compartment deck lid release solenoid
Interior lamps and keyhole illumination
Horn relay
Autolamp relay (parking lamps)
Anti-theft module (if equipped)

One way of looking at this is to ensure all those things are working correctly......! However, I'd suspect one of the four main components: the electronic control module, located under the package tray in the luggage compartment, the keypad on the driver's door, the existing antenna, and the remote transmitter.
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post #3 of 6 (permalink) Old 01-19-2004, 01:45 PM Thread Starter
 
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Thank you for your advice. i will go check out the keypad today to my knoledge the car didnot have remote keyless entry just the little touchpad but if it did where would the antenna be located at? out of the things that you said are controlled by it the following dont work

Convenience lamps (maplights?)
Interior lamps and keyhole illumination(works if you turn dome light on)
Autolamp relay (parking lamps)(worked intil i had dimmer switch repaired will fix their fixing soon)
Anti-theft module (if equipped)(i donot think my car was equipped with this option)
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post #4 of 6 (permalink) Old 01-19-2004, 02:27 PM Thread Starter
 
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Hmmm I failed to see any wires coming out of that touchpad, but its not really in an accessable spot, and its cold out where does it run too? i didnt see any loose wires either. i unplugged that control module and plugged it back in again all good there?
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post #5 of 6 (permalink) Old 01-19-2004, 10:07 PM Thread Starter
 
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After putting on a nice warm pair of gloves i went out and inspected further. i was able to find the wiring harness that went up to the lockpad. I cant tell if they are all connected good or not. One thing that caught my attention was there was a black wire that didnt go all the way up to the door. it wasnt connected to anything. An outer inspection of the keypad reveals that on the 9/0 side of it it kind of looks pushed in. dosent look as though its far enough back to have broken anything.
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post #6 of 6 (permalink) Old 01-20-2004, 10:30 AM
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Quote:
Originally posted by inuyasha
Thank you for your advice. i will go check out the keypad today to my knoledge the car didnot have remote keyless entry just the little touchpad but if it did where would the antenna be located at? out of the things that you said are controlled by it the following dont work

Convenience lamps (maplights?)
Interior lamps and keyhole illumination(works if you turn dome light on)
Autolamp relay (parking lamps)(worked intil i had dimmer switch repaired will fix their fixing soon)
Anti-theft module (if equipped)(i donot think my car was equipped with this option)
That control module with the antenna is located in the trunk; it's either under the decklid, or maybe behind the lefthand trim panel. I don't have my 1993 manual at present, so I can't say for certain.
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