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2ginevo8 [2010/12/14 05:53] twdorris |
2ginevo8 [2013/03/24 19:06] twdorris |
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FWIW, I run with a 2G ECU in my own daily driver EVO8 using the same information below. It all works very well. Now that the fans have been addressed (see below), I have absolutely no problems driving the EVO8 on a 2G DSM ECU. It drives just as well as it does on the stock ECU. | FWIW, I run with a 2G ECU in my own daily driver EVO8 using the same information below. It all works very well. Now that the fans have been addressed (see below), I have absolutely no problems driving the EVO8 on a 2G DSM ECU. It drives just as well as it does on the stock ECU. | ||
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Obviously, you need to swap a few wires around on the ECU harness. This is the list of the main things that need to be re-ordered. | Obviously, you need to swap a few wires around on the ECU harness. This is the list of the main things that need to be re-ordered. | ||
- | **Evo harness** -> 95 ECU | + | **Evo harness** -> 95-97 DSM ECU |
**22** -> 8 Swaps Fuel pump relay and AC relay control \\ | **22** -> 8 Swaps Fuel pump relay and AC relay control \\ | ||
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**10** -> 23 Inverts coil control for proper firing order \\ | **10** -> 23 Inverts coil control for proper firing order \\ | ||
- | **23** -> 10 (LEAVE 10 AND 23 ALONE IF YOU'RE USING A 97 ECU) | + | **23** -> 10 (LEAVE 10 AND 23 ALONE IF YOU'RE USING A 97 ECU...DO NOT SWAP) |
- | **32** -> 20 Moves condensor fan control to ECU \\ | + | **32** -> 20 Moves condensor fan control to ECU (NO LONGER RECOMMENDED)\\ |
- | **34** -> 21 \\ | + | **34** -> 21 (NO LONGER RECOMMENDED)\\ |
**NOTE:** Before wiring pins 32/34 to 20/21, read the fan control section below for a different approach that works better. | **NOTE:** Before wiring pins 32/34 to 20/21, read the fan control section below for a different approach that works better. | ||
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37 Cut this wire. It provides the ECU with a power steering pressure switch indication. This is used to raise idle when you turn the steering wheel. But it causes more problems than anything else when running a 2G DSM ECU. Just cut it. It's not needed. I have no dips in idle when turning my steering wheel with this wire cut. | 37 Cut this wire. It provides the ECU with a power steering pressure switch indication. This is used to raise idle when you turn the steering wheel. But it causes more problems than anything else when running a 2G DSM ECU. Just cut it. It's not needed. I have no dips in idle when turning my steering wheel with this wire cut. | ||
- | 56 Cut this wire, run a wire from 56 at the 95 ECU to pin 1 at the data link connector. Cut pin 1 wire at DLC, do not splice this in. | + | 56 Cut this wire, run a wire from 56 at the 95 ECU to pin 1 at the [[http://www.dsmlink.com/images/forums/obdiiconnector.gif|OBD2 port in the car]] (note that the image is of the OBD2 connector in the car). Cut pin 1 wire at OBD2 port, do not splice this in. You want the 95 ECU to be the only thing connected to this pin on the OBD2 port. |
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