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Post by justycr on Jan 2, 2008 9:43:30 GMT -5
First of all HAPPY NEW YEAR !!!
I have an problem with my 88 justy. My justy has a SHIFT LIGH on the dash, but about 6 moths ago we put down the engine and we may has left something unpluged, because the light stays allways turn on.
Any Ideas?
10x
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Post by fraser9764 on Jan 2, 2008 10:31:01 GMT -5
shift light?! as standard? your car is ecvt is it not? so surely you mean the clutch temp warning light?
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Post by redmavis12 on Jan 2, 2008 12:58:53 GMT -5
My '94 Justy has a shift light as standard equip. and mine is only the front wheel drive DL, about as stripped-down as you can get. I'd like to know more about the shift light electrics also...I've always wondered what exactly it is hooked to Seems to be more a function of engine revs rather than speed.
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Post by fraser9764 on Jan 2, 2008 14:23:31 GMT -5
this is the first time i have heard of a justy having a shift light? im not saying it doesnt but dont understand why it would?
pictures?
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Post by justycr on Jan 2, 2008 14:40:04 GMT -5
this is the first time i have heard of a justy having a shift light? im not saying it doesnt but dont understand why it would? pictures? HI, Tomorrow I ll post some pics, The 88 model that dosent came with tachometer, has a shift light ;D ;D, actually its pretty funy, It works on my justy for a long time, In Christmas hollidays I was looking all over the engine to find a missing conector or something but I don´t Know where te ecu takes the signal for the Shift light... So I ll post some pics tomorrow
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Post by justycr on Jan 2, 2008 14:44:05 GMT -5
My '94 Justy has a shift light as standard equip. and mine is only the front wheel drive DL, about as stripped-down as you can get. I'd like to know more about the shift light electrics also...I've always wondered what exactly it is hooked to Seems to be more a function of engine revs rather than speed. You are right the shift light turns on when you have to make the gear shift, And was a stock option for the DL models, that don´t have tachometer,
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Post by fraser9764 on Jan 2, 2008 14:46:26 GMT -5
ahh! ineresting!! i would have thought it would be from the tdc sensor , igntion control module or the alternator. maybe it is something behind the dash near the ignition module that you have missed not under the hood.
i take it yours is a manual then? for some reason i thought youurs was ECVT, Sorry!
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Post by redmavis12 on Jan 2, 2008 15:35:22 GMT -5
If it is meant to take the place of a tachometer, perhaps it measures ignition pulses from the rotor/ in the distributor...maybe there's a connection there.
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Post by redmavis12 on Jan 2, 2008 15:46:35 GMT -5
Correction...reluctor, not rotor. I don't think any Justys have point-type ignitions...I think all are electronic.
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Post by redmavis12 on Jan 3, 2008 7:36:02 GMT -5
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Post by justycr on Jan 3, 2008 8:45:55 GMT -5
hi, Thank Stack for the info, I´ll try fo find an answer and post it here, Here the pictures of the shift Ligh: That little row up to the hand brake light is the shift light... And here is a little video of my Justy ;D ;D ;D whit my new amp and sub, es.youtube.com/watch?v=P8rttOLVRVQ
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Post by justycr on Jan 3, 2008 8:50:16 GMT -5
Sorry I forgot, I had a picture more, Last week I was tryn to clean my engine and find this conector on the gear box, close to the battery, as you see is unplug and I was wondering what is this for?
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Post by fraser9764 on Jan 3, 2008 9:38:56 GMT -5
That switch is the reverse light switch, the disconnected wiring runs the fan witing and splits just below the battery.
have you checked the wiring to the distributor? this is prone to being damaged.
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Post by justycr on Jan 3, 2008 11:28:04 GMT -5
That switch is the reverse light switch, the disconnected wiring runs the fan witing and splits just below the battery. have you checked the wiring to the distributor? this is prone to being damaged. mmm, I have to check out this wires, I ll do this on the weekend
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Post by redmavis12 on Jan 13, 2008 9:23:07 GMT -5
The ECU must use a thermosensor also as input for the shift light besides car being in a forward gear and engine revs. I noticed when shifting from 4th to 5th...when the engine is cold the light illuminates at about 40mph and when the engine is warm the light illuminates at 30-32 mph...interesting ;D.
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Post by fraser9764 on Jan 14, 2008 11:30:11 GMT -5
surely thats the wrong way around? its something like 90% of engine wear occurs when the engine is cold, therefore you should be shifting gear earlier not later. anyway if this is the case then it looks like the light is controled by an output from the ignition control module. although i would still check the wires to the bottom of the distributor as if the input to the icm is not working then the output won't.
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Post by blackjusty on Jan 14, 2008 20:16:13 GMT -5
My first Justy had a shift light that worked perfectly, it trained me how to drive that car and have it last a long time. I tried to ignore it for a long time and one day I finally just gave in and shifted by the light until one day I didn't even need to look at the light anymore. That car ran and ran, the bearings were always good until the end. Now I have the tach and mild engine noise to tell me when to shift ( which I ignore) which is at about the same place.
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Post by redmavis12 on Jan 17, 2008 7:57:59 GMT -5
Fraser, it does sound counter-intuitive doesn't it ? In my own mind, I thought that perhaps for fuel economy the ECU would allow for prolonged revs in order to get the engine to reach operating temp. quicker...but I may be talking out my @ss . I also have noted that the light does not illuminate between 1st and 2nd gear, and the cold engine delay happens for all the other upshifts. Hmmmm, interesting...I wish I had a better wiring diagram for my particular Justy. The damn thing might just be connected to one input , who knows???
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Post by redmavis12 on Jan 17, 2008 8:42:39 GMT -5
Yeah, forget what I just said...that was stupid. Now that I've had my morning coffee, my brain is working better ;D... Perhaps my cold engine readings are the CORRECT ones and the warm readings are off because of resistance in the wires or a dirty connection somewhere...I'll have to check. Now all I need to discover are the correct upshift readings...maybe in the owner's manual. I should read that again... Cheers All
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Post by Deleted on Aug 20, 2009 10:10:12 GMT -5
Yeah, forget what I just said...that was stupid. Now that I've had my morning coffee, my brain is working better ;D... Perhaps my cold engine readings are the CORRECT ones and the warm readings are off because of resistance in the wires or a dirty connection somewhere...I'll have to check. Now all I need to discover are the correct upshift readings...maybe in the owner's manual. I should read that again... Cheers All Now having a tach in my DL, I may be able to help with this. Probably the simplest and safest approach would be to video a couple drives with the shift light, tach and speedo in view.
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