Subaru Legacy 2004 Service Manual page 605

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BC: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 2.0)(diag)-
38, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO 2.0)(diag)-32, OPER-
ATION, Inspection Mode.>.
WIRING DIAGRAM:
B25
T2
NEUTRAL
POSITION
SWITCH
T2
B25
6
LHD
1
LHD
B122
LHD
B21
E3
LHD
E
B135 ECM
MT
11 7
12 12
B12 T3 T7
EN(H4SO 2.0)(diag)-173
INHIBITOR SWITCH
P R N D 3 2 1
STARTER MOTOR
M
B14
ENGINE (DIAGNOSTICS)
B135
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 32 33 34 35
B25
1 2
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
B122
1 2 3 4
5 6 7 8
B21
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 32 33
34 35 36 37 38 39 40 41
42 43 44 45 46 47
48 49 50 51 52 53 54
EN-02448