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--- sdsetup [2010/02/18 07:02]
twdorris
+++ sdsetup [2010/11/14 08:42]
twdorris
@@ Line 7: / Line 7: @@
   - Configure ECU for SD operation
   - Dial in the VE table for your car
@@ Line 15: / Line 16: @@
 For additional wiring and/or pinout information, please refer to our [[ecuwiringinformation|ECU Wiring Information]] page.
+**NOTE:** Keep in mind that we do have the compatible [[http://www.ecmtuning.com/product_info.php?cPath=28&products_id=47|Omni 4-bar MAP sensor]] and [[http://www.ecmtuning.com/product_info.php?cPath=28&products_id=49|GM IAT sensors]] available directly off our website.  You can order them individually or you can get a [[http://www.ecmtuning.com/product_info.php?cPath=28&products_id=50|bundled discount]].  We also have a plug and play [[http://www.ecmtuning.com/product_info.php?cPath=26&products_id=52|SD harness]] too.
@@ Line 40: / Line 44: @@
 The other wire should be connected to the ECU's sensor ground.  That would be pin 92 (black) on a 2G ECU harness or pin 24 (green w/black stripe) on a 1G ECU harness or pin 72 (black) on an EVO1-3 ECU harness.  This can also be pulled from the MAF connector under the hood.  The wire colors are the same on the MAF connector as on the ECU harness.
+**__RUNNING WITHOUT AN IAT SENSOR__:** You can run speed density reasonably well without an IAT sensor at all if you have to.  It is absolutely better to have one, no question about it.  But if you find yourself in the situation where you simply can't get an IAT sensor installed but you need to enable speed density operation anyway, go ahead.  Just make SURE you go into the Direct Access tab and zero out the **SDTempWeighting** table.  Doing so basically tells the ECU to ignore the IAT input when running SD.
@@ Line 85: / Line 89: @@
 {{  http://www.ecmtuning.com/images/forums/sddata/sdmaploc.png}}
 Because you can connect your MAP sensor to any number of ECU inputs, you have to tell the ECU where it can find this sensor in order to use it for SD operation.  You do this on the ECU Inputs tab in the "Pin Assignments for ECMLink Functions (ECU-side)" area.
@@ Line 93: / Line 98: @@
 ===== V3Lite: Enable Speed Density =====
 {{  http://www.ecmtuning.com/images/forums/sddata/sdenable.png}}
+**NOTE:** This part is ONLY for very old V3Lite releases.  If you still have this version in your ECU, you need to [[v3firmwarehowto|upgrade your firmware]] because it's seriously out of date.  But if you really don't want to do that yet, then this section describes the one difference between your version of V3Lite and everyone elses.
 Tell the ECU to ignore incoming MAF data and calculate it from speed density data instead.  You do that on the Speed Density tab by simply checking the "Enable Speed Density" checkbox.

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