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IC17 - 8055P (available in PM5 DX ECU)
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IC17 - 8055P (available in PM5 auto ECU or PM6) |
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Here are the components I know I have right:
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Here are the components I have documented:
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IC17 - 8055P
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IC17 - 8055P (available in PM5 DX ECU)
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Q42 - NEC D1594 - Actually a 2SD1594, but unable (so far) to find a direct cross in US
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Q42 - NEC D1594 - Actually a 2SD1594, but unable (so far) to find a direct cross in US, but available in PM5
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D17 - simple diode, 1N1004 or equivalent.
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And here are the components I'm not quite sure about:
D17 - looks like a simple diode, 1N1004 or equivalent, but unable to read anything from it. (It isn't D1, D1 is huge compared to D17)
D26 - it's a zener diode, but I have no idea what the value is.
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D26 - it's a zener diode, previous forum discussion reveals it should be approx. 68v. |
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First, let me give credit to Jason Parker? for coming up with the parts list; I finally laid my hands on a PS9 to get the part values.
To mod the PM6 (and likely similar OBD0 ECUs) to allow them to do the 1 Wire VTEC control, you have to configure them as if you were converting from Manual to Automatic.
Here are the components I know I have right:
C77 - .01uf Ceramic Disc Capacitor
IC17 - 8055P
Q42 - NEC D1594 - Actually a 2SD1594, but unable (so far) to find a direct cross in US
Q16 - C945 - Actually a 2SC945, it crosses to an NTE85
Q28 - NIL3Z (can be borrowed from PM5 DX ECU, lots of them)
R62 - 10K, 1/8W
R64 - 51K, 1/8W
R66 - 10K, 1/8W
R69 - 110 ohm, 1/4W
R70 - 1K, 1/8 W
BR10 - a simple jumper or "bridge"
BR3 - Jason listed this as being present in his PS9, it wasn't present in mine.
And here are the components I'm not quite sure about:
D17 - looks like a simple diode, 1N1004 or equivalent, but unable to read anything from it. (It isn't D1, D1 is huge compared to D17)
D26 - it's a zener diode, but I have no idea what the value is. |
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