Native DTC and MUT_45

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Dec 3, 2008, 11:12 PM

acamus

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Native DTC and MUT_45

I have been going through readiness tests and found that there is a small table that is used for DTC check. I believe it is the one that is used for flashing the diagnostic trouble code via pin 1 at OBD (native mitsu code). The value can be in some form retrieved via MUT_45.
I also believe that modifying these values will hide CEL for the DTC.
When I say "believe", I mean I have not tested it, it is just pure disassembling.

For 88590015 it looks like

Code:

	<table name="Native DTC Codes" category="Misc" address="9C0C" type="3D" level="1" scaling="Hex8">
		<table name="r4 (hex)" type="Static X Axis" elements="8" scaling="Hex8">
			<data>80</data>
			<data>40</data>
			<data>20</data>
			<data>10</data>
			<data>8</data>
			<data>4</data>
			<data>2</data>
			<data>1</data>
		</table>
		<table name="r5 (hex)" type="Static Y Axis" elements="6">
			<data>00</data>
			<data>01</data>
			<data>02</data> 
			<data>03</data>
			<data>04</data>
			<data>05</data>
		</table>
	</table>

when looking further down I also noticed 4 tables of stack pointer indexes
9CA0, 9CD0, 9D00, 9D30. I just want them to be known as stack pointer indexes
that we can concentrate on useful maps.

Last edited by acamus; Dec 4, 2008 at 05:19 AM.