JKB Posted September 25, 2003 Share Posted September 25, 2003 Legacy 2.2 GX AT MY89 New MPT clutch is installed, no error codes.. But still, no power to rear wheels... Subaru service check that: C solenoid was measured and it seems to work if it's forced on (so they didn't replace it) but during normal drive 4wd doesn't work, or 1/30 times it goes on after 1-2 sec. delay. Before they change C solenoid,(+XXX€) I would like to measure, if TCU works, or force solenoid on, to see if it works without delay. To check C_solenoid, it would be great help, if anyone of you have TCU pinout? (C_solenoid...) (+12 V to activate it on?) Can I switch 4wd to be always on, if I select gear 1, 2 or 3. Manual switch? (Easier to measure and test if with some manual gear selection, it should be on...) Compatibility with different TCU's? Subaru service gave me next numbers: 31711 AA322 (old number) or 31711 AB 010 AA (new) So far have I have found next boxes: 31711 AB020 (model?,MY??) 31711 AA901 (Legacy 200 AT?!) If you have pinout pictures to send, or even better, TCU with right part number, you can send mail: jkb@mbnet.fi Ps. Sorry about my engclishs;) Quote Link to comment Share on other sites More sharing options...
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