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well getting code 15 with jdm p30-020, 1550-1503 board has 243 oki on board
so I tried p30-j00-240 stock bin replaced c27 c201 and qm3
fuel comes on but no start
after trying to start get cel code 15
icm, ignitor, ignition control module
note car runs fine with other ecus so I know its a ecu issue
will try other bin to see what happens
any help greatly appreciated
thanks

jdm p30 ecu
do any other caps control the icm code 15?
or does the h1c1 affect the circuit?

i had the same problem with two jdm p30 s and one jdm p72 ecu . i never could figure it out.

tied to Q25 but still trying to find D16 transister to replace and see if it works
will keep posted

any update on this issue...