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Found 3 results

  1. Yo OS. Thought I'd post up here as it's the last electrical issue with my engine swap and I genuinely do not see an easy fix. I've done the entire swap and everything is tickety-boo generally. The car before the swap was a GX61 Cresta Super Lucent: 1G-EU (AFM) and factory W57 5 speed. I swapped into it a 1G-GEU (MAP) bluetop from an automatic GA70 Supra. I retained the W57 As I've wired the check engine lamp correctly, I can get error codes (yay). The issue I have is the car throws a code 42 which is: The symptoms for code 42 are a forced limp mode after ~4000 rpm (can feel it cutting fuel), not good. To me, this makes sense as the factory 1G-EU ECU does NOT have a ECU pin for "SPD". Clearly, there is an open circuit for the pin SPD which feeds the ECU a signal telling the ECU how fact the car is moving. in a 1G-GEU, the pin: "SPD" receives an electrical signal from the dash cluster I believe. My question is, without SPD in the 1G-GEU ECU getting a signal from the dash cluster, is there anyway to prevent it tripping a code 42? I've done some basic trouble shooting such as: Grounding SPD pin (obviously a fail); checking the factory GX61 dash harness plug to engine harness for extra pins which may be SPD (to no avail). Has anyone had experience with swapping a car that required an electric speed signal to the ECU where the factory dash loom did not have the provision for it?
  2. Yo OS, I'm having a go at making this lockdown productive, but i've hit a wiring wall.. Recently performed an engine swap into one of my cars and of course I've reach the wiring dilemma. The swap is: Full 1986 GA70 1G-GEU (Bluetop MAP sensor) & Auto trans into a... 1986 GX71 Cresta Super Lucent (Factory Map sensor 1G-EU & auto). The engine is a 100% runner (had it running myself 1 day prior to pulling it) The Supra was 100% complete and I've used: Engine loom (uncut and NOT damaged) Trans ECU All accessories Everything has been plug and play, however, I understand that the 1G-GE won't run without some (repinning?) wiring work in the 1G-E Cresta. I did try start the car knowing it wouldn't fire, however the starter motor constantly triggered once the key was turned to ON (even before getting to start). As it sits complete now. . . There are TWO remaining plugs not used currently. One of them (pic below) is attached to the 1G-GEU engine loom and does not have a mate on the GX71 body loom. On the GA70 supra, the other end of the plug goes straight to the fuse box. . . The second plug not used is attached to the body loom of the GX71 and is a yellow 6 pin plug. on the factory 1G-EU engine loom, the other end of this plug is present. We continuity tested this plug on the 1G-EU engine loom and it went to 1G-EU ECU pins: BATT; +B; +B1. . . . . Has anyone had any experience with twincam 1Gs into single cam bodies? I have done a bit of a search on here and found some helpful stuff, however most stuff is for other chassis / example and I'm having trouble correlating tips / troubleshooting to my car. Any help or advice on here would be hugely appreciated. Cheers,
  3. What's up everyone, hope Christmas is going well for all. Been planning on getting it sorted for a while but before I do I thought I may see what others reckon. My 1G-GE (redtop) has a small and constant oil drip thats been going some months now, the oil coagulates around the sump and pools around sump bolts also. It did start after my first oil change to the car so I am thinking that not using a genuine filter may have something to do with it. I have heard it could be rear crank case seal or sump gasket too. do any 1G owners have any ideas/ experience with oil drips from 1Gs? I have heard too that these motors just do this inherently and its extremely common, not that i want to ignore it. Cheers Michael
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