T1 Race Development Remote Mount IAC Kit
This kit is intended for use in applications where a remote mounted idle air control motor is necessary, and an ecu with the ability to control a Honda idle air control motor is being used. These instructions will specifically go over the ecu setup for an AEM EMS, though it can also be used with other systems such as Motec or Haltech.
Installation Instructions for Scion TC
1. Assemble IAC mount assembly. Bolt IAC motor to mount using supplied 8mm bolts. There are dual bolt patterns on the mount to accept 2 different style Honda IAC motors, use the bolt holes that match up with your IAC motor.
2. Thread brass fittings into the rear of the mount. These are NPT (pipe thread) fittings. NPT fittings seal with Teflon tape and they are tapered threads, tighten them until they are tight and that‘s it, they will not thread all the way in like a normal bolt. Wrap Teflon tape around the threads on the brass fitting before installation. Teflon tape can be purchased at any hardware store or plumbing store. (note, Teflon tape not installed in this picture)
3. The brass fittings are the inlet and outlet for the IAC. The inlet has a screen on the IAC and will generally be fine left open. If left open, you will hear a hissing noise coming from the IAC when it‘s bypassing air. If you want to eliminate that, you can run the inlet of the IAC to a 3/8“ NPT barb fitting on the charge pipe before the throttle body. The outlet of the IAC needs to be tee‘d into the 3/8“ vacuum line on the pass side corner of the intake manifold. It is very important that there is never anything smaller than a 3/8“ vacuum line used, as it will not allow the motor to bypass the correct amount of air. Looking at the picture above, the fitting on the left is the inlet and the fitting on the right is the outlet. The small black vacuum fitting in this picture is where the outlet of the IAC needs to be tee‘d into.
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