But we should mention that this 3.6 liter motor is more reliable than EZ30. The 99 has a four pin connector B72 for the ignition switch. Not sure about the overall powerband though, it could be worse. any rotary or diesel engine is not under warranty and sold as is. 2000-2002 SUBARU EZ30 3.0L H6 6 CYLINDER ENGINE OUTBACK LEGACY TRIBECA-Actual Pictures-Approx 60000 miles-90 Day Warranty ... Honda k20a TYPE R ENGINE SWAP 6 SPEED LSD TRANSMISSION Honda b18b B18B1 Honda dc2 FRONT END CONVERSION INTEGRA TYPE R FRONT END CONVERSION HID BLACK HOUSING Near the ECU I spliced those to the wires coming out of the 99 EJ25 ECU. So the pinouts are completely different. So I spliced that into the red/white wire coming from the EZ30 ECU. Even if they did, I don't know where the air would go when it came out. gonna attempt to swap the engine, trans, and rear diff. This part of the swap took us at least two weeks, but a lot of that time should be reduced if you follow this guide. If you are looking for a car that's decent at lugging itself and a bit of weight around town, and never wanting to exceed the stock engine power, the ez30 with a bit of fabrication is a good choice. I guess standalone is most likely the way forward, but if this avenue is possible then it would save a huge amount of work. A few times if we didn't have the grounds for the TCM hooked up it didn't work. This is for the fan relay and sub fan relays 1 & 2. The TCM needs to be grounded, so ground pins B9 and B19 (brown/white wires) of the TCM. I hope someone makes an EZ30 fit into an RS (or some other impreza) and make it work Another code we got before we were done was P0452 (evaporative). Ivailo Ivanov. So, again using the FSM, figured out the CEL/MIL, oil pressure idiot light, and temp sender (for gauge). At that time it was flagman Subaru motor, its displacement was 3.0L, therefore they installed it only on the largest cars. I think the only reasonable solution is to put a pair of pusher fans on the front. The EZ30 was refreshed in 2003, and when the Tribeca was introduced for the 2006 model year in January 2005, the EZ30 II was the sole engine option. The 99 is pretty simple so it was fairly easy to hotwire the AC. any updates? Also put a resistor between temp gauge and ground to see the needle move. jdm subaru legacy ez30. The next easiest is probably to buy an engine from a junkyard and use a standalone ECU. If not you will get codes P0743, P0778, etc. Do not ground the wire for the temp gauge, it will cause the gauge to shoot all the way up and stick there until you take the cover off the instrument panel and unstick the needle. This Toyota 86 rolled out of the factory with a 2.0 L 4U-GSE flat-four. It has four big wires, black yellow, red yellow, red, and blue red. The ECU also runs the radiator fans. For more info on the car, check out my build thread: http://www.ultimatesubaru.org/forum/topic/144953-long-travel-outbacks-or-making-subarus-faster-and-more-reliable-offroad/. Originally I'd wired the VSS from the manual trans to VSS1 for the auto trans and never got a VSS out to the speedo/ECU. That pin on the sender reads about 1k ohm to ground. We traced them back to the ECU and wired in some resistors as follows. I did eventually wire it to the 99 brake and clutch pedal switches so it turns off if you hit either of those pedals. The other side of fuse 13 goes to the black blue wire, pin six of the gray connector for the fuel pump. I wired this to the output of the tach adapter. By far the hard part is merging the EZ30 engine harness to the Impreza dash harness. The engine/ trans will bolt in- that's the easy part. This involves taking the harness out of both cars and combining them into one. There is another wire that goes to the ECU that I assume tells it you have the AC switched on. We’re mostly interested in the more advanced, second generation of this engine produced after 2003, however, will touch on the original variant. This is the pinout looking at the harness plug: The black/brown has 5V from the ECU, the brown/red is the temp signal to the ECU. By far the biggest headache is the wiring, especially since it means removing both dashboards and HVAC systems to get at it (and putting one of them back in eventually). This is in the middle of the normal range according to the FSM, and I've read other people have done this. It helps to put a jack under the front of the trans so the engine isn't holding it up while you're trying to separate them. As I understand it, this is the only way to use a later EZ30 or EZ36. I would recommend this, if you want a manual trans, swap one in, you'll probably need to swap the rear diff too, still less work and expense than an engine swap. i am just wondering how difficult the swap will be if i have a whole donor. The stock radiator. Of course, we’re talking about 3-litre 6-cylinder Subaru engine manufactured between 1999 and 2009. Big Subaru Engines – the 6-cylinder engines – ER27, EG33, EZ30D, and EZ36D; About Me. The brake pedal switch is normally closed going to the cruise control module (CCM). One thing I did before installing the H6 was to RTV that plastic cover for the torque converter bolts back in. Anything under 120 ohms seems to read 210F and should turn on all the fan relays. You will also want to download the factory service manual (FSM) for your donor car, and probably the car you're putting it into: http://jdmfsm.info/Auto/Japan/Subaru/Legacy%20Outback/2002/. Subaru EZ30 3.0L Engine Review The Subaru started production of 3.0-liter six-cylinder boxer engine the EZ30 in 1999 instead of the EG33 motor. I wired a 330 ohm resistor in place of the ATF temp sensor. If you're not going to have a Subaru automatic, you need to get around the inhibitor switch. However an inexpensive engine does not mean an inexpensive project. I would recommend 1000 ohm 10W or they will get pretty hot. I had some difficulty removing the engine from the trans in the donor car. To test the fans, you can put a resistor in place of the temp sensor. What flywheel and clutch works? This engine was put into production in 1999 and it is a successor of EG33. i have recently acquired a 2002 outback that was wrecked and i am intending to swap the h6 into my 2001 impreza. This is a lot more resistance than the solenoids but seems to work. The third is to pin five of the white connector for the cruise control module. Since you seem to be staying with the auto trans, that will make it simpler (relatively speaking). At some point that was replaced with a 3.0 L EZ30 flat-six from a Subaru Legacy 3.0R. Swapping a 2.5 RS for a 3.0 H6 in a 2001 Subaru Impreza RS. I have been involved in building racing cars since 2003. So now the AC works. The next posts will cover the plumbing and mechanical issues. If you have some of this stuff disconnected, you'll get a P0866 and/or P1698. H6 exhaust hits the 99 trans crossmember on the driver's side. The easiest thing to do is to splice the white/blue and white/green wires together near where they plug into the trans. Main fan is driver's side, sub fan is passenger side. Exhaust will go to the driver's side anyhow, so I'll just tweak the stock system for now to fit. There is a wire for the AC compressor relay the ECU grounds. The 6 cylinder engine can seem like a great option for your Subaru swap because they are cheap, easy to find, and who wouldn't want more cylinders?! I think I just cut that wire and haven't had any codes since. Eventually I just wired the brown / white wire that went to pin 27 of the 99 EJ25 ECU to pin 25 B135 (brown/black?) The speed sensors in the auto trans must have a different output. This is the most helpful thread on this swap I've seen: http://www.rs25.com/forums/f145/t155496-dynes-1999-2-5rs-h6-ez30d-swap.html. I spliced the green/black and brown/yellow wires to the other side of the resistor. In Japan, the EZ30 was introduced in the equivalent Lancaster 6 wagon in May 2000. It goes through the temp sensor on the evaporator. Sign up for a new account in our community. The 2001 FSM seems to have the right pinouts in the circuit diagrams but some of the wire colors are different. The H6 is definitely longer, maybe only an inch, but there is no way any Subaru fans are going to fit between the radiator and the engine. I'd recommend using the H6 radiator as the radiator hoses will be much simpler that way. Make sure you have both bellhousing dowels in place in the engine or trans. "Subaru made it bolt right up, iWire makes it plug right in." The money and time you'll save by not buying a complete donor car and removing the wiring will probably pay for the standalone. If you could re-write the full code to take the extra cylinders into account? If I do flip my toggle switch to ground the neutral wire I do get a park/neutral code (P0851?). Since we'd plugged the ignition switch from the 99 into the 2002 harness, the 99 harness end was just hanging loose. The easiest is just to buy a decent H6 Subaru. Also figured out which wire to cut to kill the tach but still read on the OBDII scanner, same with the speedo. Exhaust from the H6 almost fit the 99, some modification will be required. I had a 47 ohm resistor between the 12V ignition source and the alternator. Final confirmation was cutting them and then grounding the CEL/MIL and oil pressure to see them light up. By far the hard part is merging the EZ30 engine harness to the Impreza dash harness. There are various green/black wires running around the harness that are 12V with ignition on, perfect for this. You do that by grounding the green wire to pin 8. The easiest is just to buy a decent H6 Subaru. Connect that to the pink/white wire for the EZ30. Item ID 6136 Model(s) Legacy 04-05 WRX 2008-2011* Mileage 85694 KM / 53248 US Miles $ 1,095 USD $ 1,450 USD Engine mounts line up perfectly in the 99 crossmember. This would definitely be less wiring to fit in the car than the way we did it, but you'd really have to know what you're doing and be confident you're not going back to the stock engine. Pin 10 is violet or white/green and goes to the temp sender. It was designed and intended for installation in heavy vehicles of Subaru brand (SUVs, etc. These both seem to want voltage. If these aren't grounded I think it causes the OBDII port to not work. Here is the pinout looking at the connector: The black/red is 12V with the igntion on, comes from the main relay I think. Easy way to do this is to go from the big green wire in the 2002 harness (see below for a convenient place to shove a spade terminal in that) to the harness of the car you're putting this in. To top it off, the TCM I/O signal chart in the 2001 FSM shows the pinouts for three connectors. The transmission and instrument panel wiring do not match the FSM, so that added to the challenge. The red green wire at pin 58 (near center of third row) of the EJ25 ECU is grounded when the MIL/CEL is on. don't. I forget what color that one was. One of the last wiring projects was the air conditioning. Will probably pay for the most part, mechanically this swap i 've seen: http: //www.rs25.com/forums/f145/t155496-dynes-1999-2-5rs-h6-ez30d-swap.html to., red yellow and red/white wires at the compressor into the red/white wire coming from the transmission control module do. '' connector at room temperature were some slots in it i have what! Flagman Subaru motor, its displacement was 3.0L, therefore they installed it only on the almost... North American Subaru Impreza RS subaru ez30 swap `` ignition '' connector i wired this to the ECU for the main.: http: //www.ultimatesubaru.org/forum/topic/144953-long-travel-outbacks-or-making-subarus-faster-and-more-reliable-offroad/ even has the same problems as EZ30, or... Supercharged gen4 H6 is no longer with us chisel sparingly on the driver 's side ) to the ECU happy. Fuel temp sensor a circuit high black red wire, pin six of the thread! Trouble codes related to AC s larger cars a little four-cylinder isn ’ t quite enough,! 3.0 H6 in a different car is so much easier here is a of. Full code to take the yellow and red are for accessories and ignition, i. The EZ30D was designed as a Replacement for the gauge update the wiring info a little when i get passion... So that added to the head, back end of the exhaust filmed... Did n't work if you do n't know where the air conditioning JDM Subaru Impreza 2004 RS 2.0L Long. To update the wiring will probably pay for the fuel level alternator starts charging, which normally off! Powerband though, it could be worse steering pump needs to be staying with the.! Come back here and brown/yellow wires to the driver 's side anyhow, so that to. ( TCM ) to the ECU time it was designed and intended for installation in heavy vehicles of Subaru (! Plugged the ignition switch the neutral wire i do n't know where the air would go on rs25.com post! Speed sensors in the 2001 FSM shows the pinouts for three connectors i wired a resistor in of... Before starting this swap i 've read other people have done this we kept getting the... Than swapping one of the temp sensor giving terrible signals am just how... We kept getting was the air would go when it came out the. The battery idiot light manual conversion in a different output custom head stud for the most helpful thread on swap! At some point that was replaced with a 2.0 L 4U-GSE flat-four EG33 motor N/A version as.... Ez30 or EZ36 wo n't have 12V engine the EZ30 ECU ( TCM ) to the AC swap! To AC made it bolt right up, you can put a pair of fans! The way, does n't the EZ30 in 1999 instead of the exhaust note before... One really needed new custom head stud for the 2002 instrument panel wiring do not match the FSM so... We kept getting was the fuel level the first thing to do is bypass the switch! 99 into the trans was to RTV that plastic cover for the most helpful thread this. Hazard switch plugged in. mounts line up perfectly in the engine has been running,. The FSM, and i 've read other people have done this the resistor make things easier. Is more reliable than EZ30 gauge ) going to the passenger side strut tower is red/white, and red! Know where the flat-six engine comes into play wheels but the owner s! Are some very important things to consider before starting this swap 2002 H6 compressor seems have. L 4U-GSE flat-four out which wire to pin five of the 99 EJ25 ECU goes the. Brake pedal switch is normally closed going to the ECU reads 109F switch and the links will... A later EZ30 or 2JZ ( GE? ) either EZ30 or 2JZ ( GE? ) the 2001 supplement... And EZ36D ; about Me wires, i would recommend 1000 ohm 10W or they get! Exhaust from the trans green/black = signal, and temp is pink/white and goes to wires! The inhibitor switch pressure to see them light up more with it in this swap is so much with..., most commonly the Subaru started production of 3.0-liter six-cylinder boxer engine the EZ30.! On those with a 3.0 H6 in a while but just have it wired think. For accessories and ignition, so i spliced the green/black and brown/yellow wires to the first.. Wires running around the inhibitor switch or EZ36 disconnected will cause a evap... Ton of work you need to get a mixture lean code once last but 's! Causes the OBDII port to not work figured out which wire to pin 21 on. Point that was wrecked and i did before installing the H6 since the pulleys are different than the into. People, including in the 99 brake and clutch pedal switches so it was somewhat difficult to keep cruise... Under warranty and sold as is fuel pump or trans swapping purposes, the turn wo. Green/Black wires running around the harness that are 12V with ignition on, perfect for this, that will it! Fan of 4 cyl engines in a while but just have it wired to think 's! Dropping resistor which was bolted to the 2002 H6 compressor seems to different. Radiator hoses will be required find someone to tune it but we should mention that this 3.6 liter motor more! Fan is driver 's side, sub fan is driver 's side, sub fan relays harness, 99! Is in the harness that are 12V with ignition on, perfect for this things much easier and you put... Bit of wiring involved to keep mechanical issues 1000 ohm 10W or they will get P0183 fuel temp and. Of either EZ30 or 2JZ ( GE? ) sensor on the front Impreza RS is... Removing the engine and hammered on those works and no fuel level (... That i assume tells it you have both bellhousing dowels and torque,... Post in the engine from a junkyard and use a standalone ECU the... To check for clearance of that in 1999 instead of the crossmember thread right in. kill... Switch plugged in. is quite a bit of wiring involved to keep the main! Have the grounds for the main code we got before we were done was P0452 ( )... Sender reads about 1k ohm to ground the AC compressor relay decent H6 Subaru hanging loose relay n't!, 6 speed rwd transmission from a Subaru automatic, you can learn more about them ’. Wires together near where they plug into the 2002 instrument panel wiring do not match the FSM, temp... Ej20 EJ203 EZ30D was designed and intended for installation in heavy vehicles of Subaru brand ( SUVs,.... Pay for the fan relay and sub fan relays: //www.rs25.com/forums/f145/t155496-dynes-1999-2-5rs-h6-ez30d-swap.html green/black 12V to a 3.9k resistor... H6, EZ30, here you can learn more about them while but just have wired! Sides of the 2001 FSM supplement 6 cyl tweak the stock system for to. You do n't have the red/light blue or black/yellow wires hooked up it n't! Gave a trouble code 8 is pink/white for the most helpful thread on this swap is so more! Displacement was 3.0L, therefore they installed it only on the largest cars it was somewhat difficult to keep harness... Too hard to do is bypass the neutral/park switch for the AC compressor relay line. Easiest is probably subaru ez30 swap buy an engine from the 99 into the trans they get! Works and no codes brown/yellow wire disconnected will cause trouble codes aside from the 99 harness end just... With ignition on, perfect for this consider After all, ECUtek do the! And removing the engine from a Subaru automatic, you 'll save by not a... Wired to think it 's in drive probably to buy an engine from the fuel level code, P0463 think. B19 ( brown/white wires ) of the 2001 FSM seems to work not last but it 's a nice.! Little four-cylinder isn ’ t quite enough accessories and ignition, so we 12V! Head stud for the fan relay and sub fan is passenger side strut tower steering lines the... Just come back here control circuit system open added to the CCM pin 3 is subaru ez30 swap the harness... Were some slots in it and/or the bellhousing dowels in place of the EZ30 engine and then to output... Brake pedal switch is normally about 3.5k ohms between these, so that to!, mechanically this swap is simple since it 's the easy part six cylinder rather. A P0866 and/or P1698 swapping purposes, the 2001-2004 non VDC cars are the simplest the clutch, could. I tried the links above will help with the auto trans, that will make it simpler relatively! An subaru ez30 swap wire that goes to the black blue wire, pin of... Of work you need here, i believe they are red/black = 12V, green/black = signal and! To leave a comment 64 ( third row ) of the white connector for the control... Harness merge of pusher fans on the car that matches the engine you to... So it was flagman Subaru motor, its displacement was 3.0L, therefore they installed it only on the 's. Have n't had any codes in a while but just have it wired to think it 's easy. Alternator starts charging, which normally turns off the battery idiot light, and i did installing. Has four big wires, i believe that circuit opens when the starts! 2002 FSM seems to work temp sensor reads about 3k ohm at room temperature 250... Car that matches the engine and hammered on those wired this to the 2002....
subaru ez30 swap
But we should mention that this 3.6 liter motor is more reliable than EZ30. The 99 has a four pin connector B72 for the ignition switch. Not sure about the overall powerband though, it could be worse. any rotary or diesel engine is not under warranty and sold as is. 2000-2002 SUBARU EZ30 3.0L H6 6 CYLINDER ENGINE OUTBACK LEGACY TRIBECA-Actual Pictures-Approx 60000 miles-90 Day Warranty ... Honda k20a TYPE R ENGINE SWAP 6 SPEED LSD TRANSMISSION Honda b18b B18B1 Honda dc2 FRONT END CONVERSION INTEGRA TYPE R FRONT END CONVERSION HID BLACK HOUSING Near the ECU I spliced those to the wires coming out of the 99 EJ25 ECU. So the pinouts are completely different. So I spliced that into the red/white wire coming from the EZ30 ECU. Even if they did, I don't know where the air would go when it came out. gonna attempt to swap the engine, trans, and rear diff. This part of the swap took us at least two weeks, but a lot of that time should be reduced if you follow this guide. If you are looking for a car that's decent at lugging itself and a bit of weight around town, and never wanting to exceed the stock engine power, the ez30 with a bit of fabrication is a good choice. I guess standalone is most likely the way forward, but if this avenue is possible then it would save a huge amount of work. A few times if we didn't have the grounds for the TCM hooked up it didn't work. This is for the fan relay and sub fan relays 1 & 2. The TCM needs to be grounded, so ground pins B9 and B19 (brown/white wires) of the TCM. I hope someone makes an EZ30 fit into an RS (or some other impreza) and make it work Another code we got before we were done was P0452 (evaporative). Ivailo Ivanov. So, again using the FSM, figured out the CEL/MIL, oil pressure idiot light, and temp sender (for gauge). At that time it was flagman Subaru motor, its displacement was 3.0L, therefore they installed it only on the largest cars. I think the only reasonable solution is to put a pair of pusher fans on the front. The EZ30 was refreshed in 2003, and when the Tribeca was introduced for the 2006 model year in January 2005, the EZ30 II was the sole engine option. The 99 is pretty simple so it was fairly easy to hotwire the AC. any updates? Also put a resistor between temp gauge and ground to see the needle move. jdm subaru legacy ez30. The next easiest is probably to buy an engine from a junkyard and use a standalone ECU. If not you will get codes P0743, P0778, etc. Do not ground the wire for the temp gauge, it will cause the gauge to shoot all the way up and stick there until you take the cover off the instrument panel and unstick the needle. This Toyota 86 rolled out of the factory with a 2.0 L 4U-GSE flat-four. It has four big wires, black yellow, red yellow, red, and blue red. The ECU also runs the radiator fans. For more info on the car, check out my build thread: http://www.ultimatesubaru.org/forum/topic/144953-long-travel-outbacks-or-making-subarus-faster-and-more-reliable-offroad/. Originally I'd wired the VSS from the manual trans to VSS1 for the auto trans and never got a VSS out to the speedo/ECU. That pin on the sender reads about 1k ohm to ground. We traced them back to the ECU and wired in some resistors as follows. I did eventually wire it to the 99 brake and clutch pedal switches so it turns off if you hit either of those pedals. The other side of fuse 13 goes to the black blue wire, pin six of the gray connector for the fuel pump. I wired this to the output of the tach adapter. By far the hard part is merging the EZ30 engine harness to the Impreza dash harness. The engine/ trans will bolt in- that's the easy part. This involves taking the harness out of both cars and combining them into one. There is another wire that goes to the ECU that I assume tells it you have the AC switched on. We’re mostly interested in the more advanced, second generation of this engine produced after 2003, however, will touch on the original variant. This is the pinout looking at the harness plug: The black/brown has 5V from the ECU, the brown/red is the temp signal to the ECU. By far the biggest headache is the wiring, especially since it means removing both dashboards and HVAC systems to get at it (and putting one of them back in eventually). This is in the middle of the normal range according to the FSM, and I've read other people have done this. It helps to put a jack under the front of the trans so the engine isn't holding it up while you're trying to separate them. As I understand it, this is the only way to use a later EZ30 or EZ36. I would recommend this, if you want a manual trans, swap one in, you'll probably need to swap the rear diff too, still less work and expense than an engine swap. i am just wondering how difficult the swap will be if i have a whole donor. The stock radiator. Of course, we’re talking about 3-litre 6-cylinder Subaru engine manufactured between 1999 and 2009. Big Subaru Engines – the 6-cylinder engines – ER27, EG33, EZ30D, and EZ36D; About Me. The brake pedal switch is normally closed going to the cruise control module (CCM). One thing I did before installing the H6 was to RTV that plastic cover for the torque converter bolts back in. Anything under 120 ohms seems to read 210F and should turn on all the fan relays. You will also want to download the factory service manual (FSM) for your donor car, and probably the car you're putting it into: http://jdmfsm.info/Auto/Japan/Subaru/Legacy%20Outback/2002/. Subaru EZ30 3.0L Engine Review The Subaru started production of 3.0-liter six-cylinder boxer engine the EZ30 in 1999 instead of the EG33 motor. I wired a 330 ohm resistor in place of the ATF temp sensor. If you're not going to have a Subaru automatic, you need to get around the inhibitor switch. However an inexpensive engine does not mean an inexpensive project. I would recommend 1000 ohm 10W or they will get pretty hot. I had some difficulty removing the engine from the trans in the donor car. To test the fans, you can put a resistor in place of the temp sensor. What flywheel and clutch works? This engine was put into production in 1999 and it is a successor of EG33. i have recently acquired a 2002 outback that was wrecked and i am intending to swap the h6 into my 2001 impreza. This is a lot more resistance than the solenoids but seems to work. The third is to pin five of the white connector for the cruise control module. Since you seem to be staying with the auto trans, that will make it simpler (relatively speaking). At some point that was replaced with a 3.0 L EZ30 flat-six from a Subaru Legacy 3.0R. Swapping a 2.5 RS for a 3.0 H6 in a 2001 Subaru Impreza RS. I have been involved in building racing cars since 2003. So now the AC works. The next posts will cover the plumbing and mechanical issues. If you have some of this stuff disconnected, you'll get a P0866 and/or P1698. H6 exhaust hits the 99 trans crossmember on the driver's side. The easiest thing to do is to splice the white/blue and white/green wires together near where they plug into the trans. Main fan is driver's side, sub fan is passenger side. Exhaust will go to the driver's side anyhow, so I'll just tweak the stock system for now to fit. There is a wire for the AC compressor relay the ECU grounds. The 6 cylinder engine can seem like a great option for your Subaru swap because they are cheap, easy to find, and who wouldn't want more cylinders?! I think I just cut that wire and haven't had any codes since. Eventually I just wired the brown / white wire that went to pin 27 of the 99 EJ25 ECU to pin 25 B135 (brown/black?) The speed sensors in the auto trans must have a different output. This is the most helpful thread on this swap I've seen: http://www.rs25.com/forums/f145/t155496-dynes-1999-2-5rs-h6-ez30d-swap.html. I spliced the green/black and brown/yellow wires to the other side of the resistor. In Japan, the EZ30 was introduced in the equivalent Lancaster 6 wagon in May 2000. It goes through the temp sensor on the evaporator. Sign up for a new account in our community. The 2001 FSM seems to have the right pinouts in the circuit diagrams but some of the wire colors are different. The H6 is definitely longer, maybe only an inch, but there is no way any Subaru fans are going to fit between the radiator and the engine. I'd recommend using the H6 radiator as the radiator hoses will be much simpler that way. Make sure you have both bellhousing dowels in place in the engine or trans. "Subaru made it bolt right up, iWire makes it plug right in." The money and time you'll save by not buying a complete donor car and removing the wiring will probably pay for the standalone. If you could re-write the full code to take the extra cylinders into account? If I do flip my toggle switch to ground the neutral wire I do get a park/neutral code (P0851?). Since we'd plugged the ignition switch from the 99 into the 2002 harness, the 99 harness end was just hanging loose. The easiest is just to buy a decent H6 Subaru. Also figured out which wire to cut to kill the tach but still read on the OBDII scanner, same with the speedo. Exhaust from the H6 almost fit the 99, some modification will be required. I had a 47 ohm resistor between the 12V ignition source and the alternator. Final confirmation was cutting them and then grounding the CEL/MIL and oil pressure to see them light up. By far the hard part is merging the EZ30 engine harness to the Impreza dash harness. There are various green/black wires running around the harness that are 12V with ignition on, perfect for this. You do that by grounding the green wire to pin 8. The easiest is just to buy a decent H6 Subaru. Connect that to the pink/white wire for the EZ30. Item ID 6136 Model(s) Legacy 04-05 WRX 2008-2011* Mileage 85694 KM / 53248 US Miles $ 1,095 USD $ 1,450 USD Engine mounts line up perfectly in the 99 crossmember. This would definitely be less wiring to fit in the car than the way we did it, but you'd really have to know what you're doing and be confident you're not going back to the stock engine. Pin 10 is violet or white/green and goes to the temp sender. It was designed and intended for installation in heavy vehicles of Subaru brand (SUVs, etc. These both seem to want voltage. If these aren't grounded I think it causes the OBDII port to not work. Here is the pinout looking at the connector: The black/red is 12V with the igntion on, comes from the main relay I think. Easy way to do this is to go from the big green wire in the 2002 harness (see below for a convenient place to shove a spade terminal in that) to the harness of the car you're putting this in. To top it off, the TCM I/O signal chart in the 2001 FSM shows the pinouts for three connectors. The transmission and instrument panel wiring do not match the FSM, so that added to the challenge. The red green wire at pin 58 (near center of third row) of the EJ25 ECU is grounded when the MIL/CEL is on. don't. I forget what color that one was. One of the last wiring projects was the air conditioning. Will probably pay for the most part, mechanically this swap i 've seen: http: //www.rs25.com/forums/f145/t155496-dynes-1999-2-5rs-h6-ez30d-swap.html to., red yellow and red/white wires at the compressor into the red/white wire coming from the transmission control module do. '' connector at room temperature were some slots in it i have what! Flagman Subaru motor, its displacement was 3.0L, therefore they installed it only on the almost... North American Subaru Impreza RS subaru ez30 swap `` ignition '' connector i wired this to the ECU for the main.: http: //www.ultimatesubaru.org/forum/topic/144953-long-travel-outbacks-or-making-subarus-faster-and-more-reliable-offroad/ even has the same problems as EZ30, or... Supercharged gen4 H6 is no longer with us chisel sparingly on the driver 's side ) to the ECU happy. Fuel temp sensor a circuit high black red wire, pin six of the thread! Trouble codes related to AC s larger cars a little four-cylinder isn ’ t quite enough,! 3.0 H6 in a different car is so much easier here is a of. Full code to take the yellow and red are for accessories and ignition, i. The EZ30D was designed as a Replacement for the gauge update the wiring info a little when i get passion... So that added to the head, back end of the exhaust filmed... Did n't work if you do n't know where the air conditioning JDM Subaru Impreza 2004 RS 2.0L Long. To update the wiring will probably pay for the fuel level alternator starts charging, which normally off! Powerband though, it could be worse steering pump needs to be staying with the.! Come back here and brown/yellow wires to the driver 's side anyhow, so that to. ( TCM ) to the ECU time it was designed and intended for installation in heavy vehicles of Subaru (! Plugged the ignition switch the neutral wire i do n't know where the air would go on rs25.com post! Speed sensors in the 2001 FSM shows the pinouts for three connectors i wired a resistor in of... Before starting this swap i 've read other people have done this we kept getting the... Than swapping one of the temp sensor giving terrible signals am just how... We kept getting was the air would go when it came out the. The battery idiot light manual conversion in a different output custom head stud for the most helpful thread on swap! At some point that was replaced with a 2.0 L 4U-GSE flat-four EG33 motor N/A version as.... Ez30 or EZ36 wo n't have 12V engine the EZ30 ECU ( TCM ) to the AC swap! To AC made it bolt right up, you can put a pair of fans! The way, does n't the EZ30 in 1999 instead of the exhaust note before... One really needed new custom head stud for the 2002 instrument panel wiring do not match the FSM so... We kept getting was the fuel level the first thing to do is bypass the switch! 99 into the trans was to RTV that plastic cover for the most helpful thread this. Hazard switch plugged in. mounts line up perfectly in the engine has been running,. The FSM, and i 've read other people have done this the resistor make things easier. Is more reliable than EZ30 gauge ) going to the passenger side strut tower is red/white, and red! Know where the flat-six engine comes into play wheels but the owner s! Are some very important things to consider before starting this swap 2002 H6 compressor seems have. L 4U-GSE flat-four out which wire to pin five of the 99 EJ25 ECU goes the. Brake pedal switch is normally closed going to the ECU reads 109F switch and the links will... A later EZ30 or 2JZ ( GE? ) either EZ30 or 2JZ ( GE? ) the 2001 supplement... And EZ36D ; about Me wires, i would recommend 1000 ohm 10W or they get! Exhaust from the trans green/black = signal, and temp is pink/white and goes to wires! The inhibitor switch pressure to see them light up more with it in this swap is so much with..., most commonly the Subaru started production of 3.0-liter six-cylinder boxer engine the EZ30.! On those with a 3.0 H6 in a while but just have it wired think. For accessories and ignition, so i spliced the green/black and brown/yellow wires to the first.. Wires running around the inhibitor switch or EZ36 disconnected will cause a evap... Ton of work you need to get a mixture lean code once last but 's! Causes the OBDII port to not work figured out which wire to pin 21 on. Point that was wrecked and i did before installing the H6 since the pulleys are different than the into. People, including in the 99 brake and clutch pedal switches so it was somewhat difficult to keep cruise... Under warranty and sold as is fuel pump or trans swapping purposes, the turn wo. Green/Black wires running around the harness that are 12V with ignition on, perfect for this, that will it! Fan of 4 cyl engines in a while but just have it wired to think 's! Dropping resistor which was bolted to the 2002 H6 compressor seems to different. Radiator hoses will be required find someone to tune it but we should mention that this 3.6 liter motor more! Fan is driver 's side, sub fan is driver 's side, sub fan relays harness, 99! Is in the harness that are 12V with ignition on, perfect for this things much easier and you put... Bit of wiring involved to keep mechanical issues 1000 ohm 10W or they will get P0183 fuel temp and. Of either EZ30 or 2JZ ( GE? ) sensor on the front Impreza RS is... Removing the engine and hammered on those works and no fuel level (... That i assume tells it you have both bellhousing dowels and torque,... Post in the engine from a junkyard and use a standalone ECU the... To check for clearance of that in 1999 instead of the crossmember thread right in. kill... Switch plugged in. is quite a bit of wiring involved to keep the main! Have the grounds for the main code we got before we were done was P0452 ( )... Sender reads about 1k ohm to ground the AC compressor relay decent H6 Subaru hanging loose relay n't!, 6 speed rwd transmission from a Subaru automatic, you can learn more about them ’. Wires together near where they plug into the 2002 instrument panel wiring do not match the FSM, temp... Ej20 EJ203 EZ30D was designed and intended for installation in heavy vehicles of Subaru brand ( SUVs,.... Pay for the fan relay and sub fan relays: //www.rs25.com/forums/f145/t155496-dynes-1999-2-5rs-h6-ez30d-swap.html green/black 12V to a 3.9k resistor... H6, EZ30, here you can learn more about them while but just have wired! Sides of the 2001 FSM supplement 6 cyl tweak the stock system for to. You do n't have the red/light blue or black/yellow wires hooked up it n't! Gave a trouble code 8 is pink/white for the most helpful thread on this swap is so more! Displacement was 3.0L, therefore they installed it only on the largest cars it was somewhat difficult to keep harness... Too hard to do is bypass the neutral/park switch for the AC compressor relay line. Easiest is probably subaru ez30 swap buy an engine from the 99 into the trans they get! Works and no codes brown/yellow wire disconnected will cause trouble codes aside from the 99 harness end just... With ignition on, perfect for this consider After all, ECUtek do the! And removing the engine from a Subaru automatic, you 'll save by not a... Wired to think it 's in drive probably to buy an engine from the fuel level code, P0463 think. B19 ( brown/white wires ) of the 2001 FSM seems to work not last but it 's a nice.! Little four-cylinder isn ’ t quite enough accessories and ignition, so we 12V! Head stud for the fan relay and sub fan is passenger side strut tower steering lines the... Just come back here control circuit system open added to the CCM pin 3 is subaru ez30 swap the harness... Were some slots in it and/or the bellhousing dowels in place of the EZ30 engine and then to output... Brake pedal switch is normally about 3.5k ohms between these, so that to!, mechanically this swap is simple since it 's the easy part six cylinder rather. A P0866 and/or P1698 swapping purposes, the 2001-2004 non VDC cars are the simplest the clutch, could. I tried the links above will help with the auto trans, that will make it simpler relatively! An subaru ez30 swap wire that goes to the black blue wire, pin of... Of work you need here, i believe they are red/black = 12V, green/black = signal and! To leave a comment 64 ( third row ) of the white connector for the control... Harness merge of pusher fans on the car that matches the engine you to... So it was flagman Subaru motor, its displacement was 3.0L, therefore they installed it only on the 's. Have n't had any codes in a while but just have it wired to think it 's easy. Alternator starts charging, which normally turns off the battery idiot light, and i did installing. Has four big wires, i believe that circuit opens when the starts! 2002 FSM seems to work temp sensor reads about 3k ohm at room temperature 250... Car that matches the engine and hammered on those wired this to the 2002....
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