P58

content/posts/p58.md

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+---
+date: 2025-01-01T10:00:00-04:00
+description: ""
+featured_image: "images/featured_images/p58.jpg"
+tags: ["impreza", "gd", "sti"]
+title: "STI Spec C key plate"
+---
+
+57497FE000 – If anyone else would like it :)
+
+I've had it for a while now. It all started looking like this:
+
+{{<gallery
+    globalMatch="images/p58/start/*"
+    sortOrder="asc"
+    rowHeight="150"
+    margins="5"
+    thumbnailResizeOptions="800x800 q90 Lanczos"
+    showExif=true
+    previewType="blur"
+    embedPreview=true
+    loadJQuery=true
+>}}
+
+It's a nice thing, but feels a bit rough and ready. Even the brand-new key, had
+the blue plastic cover sticking out. I was a little disappointed, but quickly
+forgot about it, especially after I'd read online that it was a common issue.
+
+The key is intended for cars without an immobilizer, which created a bit of a
+problem. My Impreza obviously has an immobilizer, so I bought a replacement key
+and saw the blade off, resulting in something like this:
+
+{{<gallery
+    globalMatch="images/p58/evo_1.jpg"
+    sortOrder="asc"
+    rowHeight="150"
+    margins="5"
+    thumbnailResizeOptions="800x800 q90 Lanczos"
+    showExif=true
+    previewType="blur"
+    embedPreview=true
+    loadJQuery=true
+>}}
+
+To start the car, I had to insert the key into the ignition and hold the fob in
+such a way that the immobilizer chip would be correctly scanned. It worked
+fairly well, meaning I could get the cart to start easily, but the ergonomics
+of the solution wasn't great. That's where Charlie came in, the same one who
+wrote up [how to install]({{< relref "posts/p54" >}}) an automatic water
+spraying system for the intercooler. He designed a custom [resin key
+cover](https://802projects.com/blog/stikey/stikey.php):
+
+{{<gallery
+    globalMatch="images/p58/cover/*"
+    sortOrder="asc"
+    rowHeight="150"
+    margins="5"
+    thumbnailResizeOptions="800x800 q90 Lanczos"
+    showExif=true
+    previewType="blur"
+    embedPreview=true
+    loadJQuery=true
+>}}
+
+The replacement piece that slides onto the blade, has a built-in pocket for the
+immobilizer chip. It fits perfectly, which, as shown above, even the smart
+folks at FHI couldn't quite manage.
+
+The chip and the housing:
+
+{{<gallery
+    globalMatch="images/p58/chip/*"
+    sortOrder="asc"
+    rowHeight="150"
+    margins="5"
+    thumbnailResizeOptions="800x800 q90 Lanczos"
+    showExif=true
+    previewType="blur"
+    embedPreview=true
+    loadJQuery=true
+>}}
+
+Now everything needs to be slid onto the blade:
+
+{{<gallery
+    globalMatch="images/p58/slide/*"
+    sortOrder="asc"
+    rowHeight="150"
+    margins="5"
+    thumbnailResizeOptions="800x800 q90 Lanczos"
+    showExif=true
+    previewType="blur"
+    embedPreview=true
+    loadJQuery=true
+>}}
+
+From now on, the fob only functions as the remote for the central locking
+system:
+
+{{<gallery
+    globalMatch="images/p58/evo_2.jpg"
+    sortOrder="asc"
+    rowHeight="150"
+    margins="5"
+    thumbnailResizeOptions="800x800 q90 Lanczos"
+    showExif=true
+    previewType="blur"
+    embedPreview=true
+    loadJQuery=true
+>}}
+
+The resin cover is pretty impressive. It matches the shape of the key
+perfectly, the colour is exactly like the original one, and the chip housing
+holds onto the chip very snugly. It attaches to the blade securely, while still
+allowing you to slide the cover back out of the key (should you ever need to).
+
+The last thing I wanted to do was to replace the cut key with a USDM fob,
+NHVWB1U711:
+
+{{<gallery
+    globalMatch="images/p58/nhvwb1u711/*"
+    sortOrder="asc"
+    rowHeight="150"
+    margins="5"
+    thumbnailResizeOptions="800x800 q90 Lanczos"
+    showExif=true
+    previewType="blur"
+    embedPreview=true
+    loadJQuery=true
+>}}
+
+Although both transmit at the same frequency (443 MHz), the standard fob coding
+procedure cannot add the USDM fob. I've been to several places here in Kraków,
+but none had the capability to read the packets sent by both fobs and compare
+the data. If anyone knows how to code the NHVWB1U711 with the EUDM 57497AE140,
+please let me know.