Yahoo27

Year: 1993
Car: SC400
Motor: 1jz-gte swap

Problem: When shifted in to Drive its in a high gear like 3rd, when shifted into 2 feels like a higher gear also. Shifted in L feels fine, in first gear.

Things I tried: Replaced all three solenoids same thing happens, after I changed the solenoids I meaured the resistance of the old solenoid they seem to have the correct resistance. But O/D light stopped blinking after I changed the solenoids and hasn't blinked since, Although I haven't droved the car much maybe I haven't gave it time to come on.

The vehicle feels like the following charts, the problem is that I don't know what the ECT ECU is so I don't know if it's plugged or unplugged. It seems like the solenoids arent getting power, What plug could I test if the solenoids are getting power without taking off the pan if possible? a Picture of the ECT ECU. I bought the vehicle with the swap, so I don't know if it's wired correctly

According to the last chart, it seems to acting like the No.1 solenoid or both solenoid doesn't work.

AyDee

do you have a stock TC?

you are saying it wouldnt move until it hit 2700 RPM which means u have an aftermarket one?

Yahoo27

I dunno what's in there, it was a rough estimate my backlights is very dim. Today I tried to put it on drive and it died on me. My speedometer doesn't work also would that have an effect on it? Bad tcu?

Mr.NA_T

I think you tranny is about top go...IMO

Yahoo27

Didn't want to hear that, The L gear feels fine, im thinking shorted wire or bad tcu.... I'm start troubleshooting it later today.

slappy96

O/d blinking = time to retrieve tranny diag codes
that will narrow things down a bit. If none of those lead you to wires/ pressures/ solinoids then I think the tq is a safe bet.

Yahoo27

Yeah when I look in the dianostics port, the contacts for the ones I need in there seem to be missing so I can't do the jumper thingy.......

Yahoo27

If the tq converter was messed up wouldn't it drive sluggish and slow when I put it in L??

slappy96

2 diag ports. There is also one in the cabin under left side dash.

Yahoo27

I'll look for it when I get home

Yahoo27

Didn't see the other dianostic port, I think I might bring it to a shop. I think the wiring it self Is messed up.

Yahoo27

Any ideas??? Things i could try