Hi guys, I'm creating this new thread to cover my experiences regarding the installation and tuning of the MAP-ECU3 for my supercharged '98 4Runner with the TRD supercharger and various fuel upgrades.
(For those that aren't aware I'd been running a URD fuel upgrade kit for almost 8 years after which I started running into trouble with the old FTC, see thread here: My piggyback ECU (SplitSecond FTC1-E) has gone bad recommend a replacement!)
Engine mods I have that affect tuning:
- TRD Supercharger
- URD 2.2" pulley
- Denso 4430 350cc Fuel Injectors
- Denso Iridium IK-22 Spark Plugs
Tools I have in addition to get the tuning done:
- Innovate! Motorsports LC-1 Wideband with XD-16 Digital Gauge
- PLX Kiwi Bluetooth OBD-2 reader, Torque Android App
- Basic Windows 7 Laptop
Pictures of the MAP-ECU3 when it arrived:
I decided to purchase URD's wire harness for my year 4Runner as well, this allowed me to do the wiring work on my table and then install with minimal work under the dash. The hardest part was getting the factory harness wired back to stock when removing the old piggyback; "back in the old days" plug-n-play harnesses weren't available and so the old FTC was wired directly into the wires going to the ECU.
Wired harness per URD instructions ready for install. The red wire sticking out is the power wire, it is wired to my Painless Cirkit Boss fuse block rather than directly to the ECU's power, this allows me to have a separate power fuse for the MAP-ECU3:
Originally Posted by GoodTimes
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