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How do you replace the ECU on a 1993 Nissan 300zx and where is it located?
Wiki User
∙ 13y ago
The ECU is on the passenger side underneath the floor at the front where your feet would be if you where sitting with your feet all the way to the front. pull up the carpet in that area and it should come out easily by hand since its held down by some Velcro strips and you'll see a board of wood attached by about 4 10mm bolts maybe a few more but i doubt it and then the ECU will be right there and after that my guess would be to just unbolt it and disconnect it from the car but only after you disconnect the battery just to be safe
The ECU is located in the same location the 300ZX NA and TT from 89.5 to 96 beneath the glove box. First disconnecting the negative battery cable. Second, pulling back the carpet exposing the teak wood cover. Then on the left side is the ECU mounted in the frame held in
place by three 10mm screws. Once these screws are removed you can remove the ECU from
under the dash but it is still connected to the Harness. Usually, the harness connector is BLUE with a 10mm screw in the middle.. This screw does not cone out of the harness connector just
unscrews from the ECU.
Wiki User
∙ 13y ago
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