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Old 12-31-2002, 02:22 PM   #1
Promo2000
 
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Please need profesional advice here! Problem with Check Engine light! ;(

Hello and happy new year !
As the topic says, I was watching a topic in the “Step By Step section” and there is a topic about “How to Figure out your Check Engine Light code“ and inside it tells like a self diagnostics of the ECU “Turn the ignition switch to ON ( II ), Then turn it back to off three times. “ Then I went to my car and I notice that the Check Engine light doesn’t turn ON!!! I think that the last owner had a problem and he disconnected the light, so: What can I do to fix it? Where could it be disconnected? Any help I would really appreciate!

Thanks
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Old 12-31-2002, 02:28 PM   #2
ChrisCantSkate
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if it dosnt come on, it means you havnt thrown a code since the last time your ecu reset
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Old 12-31-2002, 02:38 PM   #3
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What I mean is that the light doesnt turn on at any time. For example: When u turn on the car, all the lights in the dash turns on exept the Check Engine. What I think is that someone for one reason disconnected it. Or, how can I make sure if it is connected?
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Old 12-31-2002, 02:57 PM   #4
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mine dosnt turn on either... i'll go play with mine and see how i can get it to turn on
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Old 12-31-2002, 03:09 PM   #5
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Quote:
Originally posted by ChrisCantSkate
mine dosnt turn on either... i'll go play with mine and see how i can get it to turn on
Look at these:
http://www.hondaprelude.to/main_checkengine.html
But it is for a 5th gem and mine is 4th. =(
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Old 12-31-2002, 05:43 PM   #6
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Does anybody have his prelude near to make me a favor and go and see if the check engine light turns on before turning on the car?
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Old 01-03-2003, 02:09 AM   #7
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hmm that's weird. short your service connector pins and see if it goes on solid. as far as i know most of the cars have the CEL on during the self check
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Old 01-03-2003, 07:07 AM   #8
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Quote:
Originally posted by hondaman-iac
hmm that's weird. short your service connector pins and see if it goes on solid. as far as i know most of the cars have the CEL on during the self check


How do I do that?
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Old 01-03-2003, 03:26 PM   #9
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i think on your car the conector is behind the center console. it should be a blue conector, and the short it with a paper clip and put the key on the on position.
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Old 01-03-2003, 05:54 PM   #10
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Quote:
Originally posted by hondaman-iac
i think on your car the conector is behind the center console. it should be a blue conector, and the short it with a paper clip and put the key on the on position.

Like in the link that I posted before?
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Old 01-03-2003, 06:07 PM   #11
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yup
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Old 01-03-2003, 07:52 PM   #12
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Ecu is not there....
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Old 01-04-2003, 04:14 PM   #13
ChrisCantSkate
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right.. the ecu is under your passenger foot board, the blue clip is there
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Old 01-04-2003, 05:44 PM   #14
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Light dosent turn on!!!
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Old 01-05-2003, 12:54 AM   #15
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so i guess the bulb is missing.
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Old 01-05-2003, 09:23 AM   #16
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It dont have the bulb!!!!! So, I will buy one. But I took anoter bulb and put it there and make some tests. After reading codes it gave me these:

Code 23
Knock Sensor Circuit Malfunction It can be fix with these:
-Open or short in Knock Sensor (KS) circuit
-Knock Sensor (KS)
-ECM

Code 1
Primary Heated Oxygen Circuit
High/Low Signal
-Open or short in Primary HO2S sensor
-Primary HO2S sensor
-ECM

Code 43
Fuel Supply System

To much errors hhhmmm?? What can I fix , I dont know much about engines. =O(
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