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93-95 OBD1 Prelude Si (non Vtec - H23A)

There are at least 2 versions of this ECU: One with and one without knock sensor. The ECUs with a knock board have R118,R119 and R101 while the knockless boards have nothing there. Instead, R118 and R119 are moved to R142, 143

See Remove AKnock Sensor for some details about the knock difference.

Some Knock board even use an external ROM! The only difference is that it seems to be missing R15 if you compare it to the regular Romless boards

  • 92 USDM Prelude Si P14-A10 Manual Trans. Inside:

Attachment?: Modify: Size: Date: Who: Comment:
p14-4ws-hires.jpg mod 923571 02 Jun 2004 - 03:02 Artifex p14 -a00 4WS Hi-res shot
p14-4ws-knock-hires.jpg mod 804765 02 Jun 2004 - 03:15 Artifex p14-a00 knock board Hi-res
euro_p14_manual_board_no_ks_356.jpg mod 443355 19 Sep 2006 - 17:04 carotman Euro P14 without Knock Sensor
p14_knock_web_872.jpg mod 547156 19 Sep 2006 - 18:08 carotman External ROM Knock Board
p14_knock.bin mod 32768 19 Sep 2006 - 18:12 carotman BIN extracted from the External ROM board
Inside92-P14-A10MT.JPG mod 177889 26 Jan 2007 - 23:56 Jared Karagen? 92 USDM Prelude Si P14-A10 Manual Trans. Inside
Outside92-P14-A10MT.JPG mod 92374 26 Jan 2007 - 23:56 Jared Karagen? 92 USDM Prelude Si P14-A10 Manual Trans. Outside

Revision: r1.3 - 26 Jan 2007 - 23:58 GMT - Jared Karagen? { Edit | Attach | History | More }
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