Thread: 2003 STi ECU pinout/wiring diagram
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Old 22-09-2008, 10:32 PM
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ok finally solved it!!

- Fuel injectors: #1 E1(pink-B84), #2 D6(PL-B137), #3 D5(PB-B137) and #4 D4(PG-B137).

- Wastegate: E24(BW-E84)

The fuel injectors show ~12v upon key-turn 2 (pre crank). you must enter the pin code in the brant to show the voltage!!
Otherwise - it limits it to ~2.5v - as I learnt the hard way tearing out my hair.


Below is the Autronic SM4 wiring diagram that helped me (relevant to ADM 03/04 WRX STi's)

**note block numbers are displayed different from autronic to subaru wiring diagrams (I have used Subaru pin blocks above)

Last edited by waxdass; 22-09-2008 at 10:44 PM.
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