rjpan's 1993 Toyota Celica All-Trac Turbo

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Re: rjpan's 1993 Toyota Celica All-Trac Turbo

Postby rjpan » Thu Jun 25, 2020 10:00 pm

gt4tified wrote:
rjpan wrote:December 21st 2019

Alltrac passed smog!

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I'm not particularly a fan of a black RC, as far as color goes, but man yours looks bad-ass!


Thanks man!!

Current updates:

June 7th 2020

Found that my tachometer was reading extremely low, and found out that it was a common issue, and the fix was to replace the capacitors on the back of the tachometer. Ended up ordering a couple.
Tachometer Capacitors:
https://www.digikey.com/short/z9tb3t

June 11th 2020

Started working on my Alltrac

Replaced the capacitors on the tachometer and now the tachometer works!
104117652_1633350336828971_7036385114305598296_n.jpg


Still have to sort, the Cruise Control, Power Steering,
Ive been getting a check engine light for a o2 Sensor
and again AC for last

June 25th 2020

Pulled the ECU and Speed Control ECU Unit, to inspect for bad capacitors.
Turns out the capacitor that commonly goes bad, blew. I'm guessing that is the reason for the o2 sensor code.

106111456_292798768527358_6866211984898307451_n.jpg


Decided to order all the capacitors for the ECU ad Speed Control Unit.
Here's the ECU capacitor list if anyone needs it:
https://www.digikey.com/short/z9thwq

My power-steering whines only when I try turning the car, and started becoming harder and harder, the reservoir is always full, and when the car is running, I see the fluid do a tornado effect in the reservoir.

Maybe its my rack that's going out? I don't think its my pump.

If anyone has an idea to sort the cruise control, please let me know.
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1993 MR2 Turbo
1993 Celica All-Trac
1982 Starlet 4A-G N2 (Daily)
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1993 Toyota MR2

Re: rjpan's 1993 Toyota Celica All-Trac Turbo

Postby sefiroxx » Thu Jun 25, 2020 10:51 pm

Whine is typically pump related. Belt slipping or pump having to work harder. Check the tension. Check the idle up function. At extreme end of the turn, additional idle is added to provide additional power to compensate for the extra work by the pump.
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Re: rjpan's 1993 Toyota Celica All-Trac Turbo

Postby rjpan » Tue Jun 30, 2020 4:02 am

June 27th 2020,

My capacitors arrived from Digikey!

June 29th 2020,

Unsoldered the old capacitors and soldered in the new ones!
Plugged in the ECU and Speed Control Unit. So far the car fires up and idles! Going to mount all the components properly soon then take it on a test drive.
1993 MR2 Turbo
1993 Celica All-Trac
1982 Starlet 4A-G N2 (Daily)
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https://www.rjpanlilio.com/
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1993 Toyota MR2

Re: rjpan's 1993 Toyota Celica All-Trac Turbo

Postby gt4tified » Wed Jul 01, 2020 2:15 am

rjpan wrote:June 27th 2020,

My capacitors arrived from Digikey!

June 29th 2020,

Unsoldered the old capacitors and soldered in the new ones!
Plugged in the ECU and Speed Control Unit. So far the car fires up and idles! Going to mount all the components properly soon then take it on a test drive.


Well done, bro! Glad ur back on the road. How tough of a job was the cap replacement, on a scale of 1-5 with 1 being easy-peasy and 5 as requiring epic mad skills?
Bringing back alltrac.net, one post at a time! :twisted:
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Re: rjpan's 1993 Toyota Celica All-Trac Turbo

Postby rjpan » Wed Jul 01, 2020 6:16 am

gt4tified wrote:Well done, bro! Glad ur back on the road. How tough of a job was the cap replacement, on a scale of 1-5 with 1 being easy-peasy and 5 as requiring epic mad skills?


I would say I'm a novice when I'm with a soldiering iron. On a scale from 1-5 I would say its a 4, I suggest having a steady hand, and a soldering vacuum or what they call a desoldering pump.

June 30th, 2020

I was able to put my ecu, and interior properly back together. Then decided to try to sort the power steering whine. Upon further inspection, I found that the belt was loose, thanks to the facebook alltrac.net community.

Went on a short test drive, and the car feels like its power is back, currently doesn't have a check engine light, but only time will tell. Sidenote: Cruise control light would turn on, but when activated it wont hold the same speed.

Now all I have to sort is my cruise control! and then lastly recharge my AC!
1993 MR2 Turbo
1993 Celica All-Trac
1982 Starlet 4A-G N2 (Daily)
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https://www.rjpanlilio.com/
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Location: Northern California

1993 Toyota MR2

Re: rjpan's 1993 Toyota Celica All-Trac Turbo

Postby alltracman78 » Wed Jul 01, 2020 5:54 pm

IIRC the cruise control gets it's speed signal from the ECU.
However it may work different with a JDM setup. Not sure.
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