Subaru Legacy 2003 Service Manual page 667

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
BR:DTC P0866 — TCM COMMUNICATION CIRCUIT HIGH —
• DTC DETECTING CONDITION:
• Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode<Ref. to EN(H4SO)-47, OPER-
ATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)-40, OPERATION, Inspection
Mode.> .
• WIRING DIAGRAM:
B137
1 2 3
5 6 7 8 9 10 11 12 13
14 15 16 17 18 19 20
B56
4
1 2 3 4 5 6 7
10 11 12 13 14 15 16 17 18
19 20 21 22 23 24
EN(H4SO)-270
B56
TCM
B137 ECM
8 9
EN-01138