Subaru Legacy 2004 Service Manual page 948

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BD:DTC P0852 NEUTRAL SWITCH INPUT CIRCUIT HIGH
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
Erroneous idling
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4SO 2.5)(diag)-
41, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO 2.5)(diag)-34, Inspection Mode.>.
WIRING DIAGRAM:
• EC, EK and K4 model
B137 ECM
• KA and KS model
NOTE:
Fuel injection system for KA and KS model is the same as 2.0 L model. Refer to EN(H4SO 2.0) section.
P
12 12
11 7
B12 T3 T7
E
EN(H4SO 2.5)(diag)-189
INHIBITOR SWITCH
R N D 3 2 1
ENGINE (DIAGNOSTICS)
B12
1 2 3 4
5 6 7 8
9 10 11 12
T7
1 2 3 4 5 6
7 8 9 10 11 12
B137
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25
26 27 28 29 30 31
EN-02004