Subaru IMPREZA 2004 Service Manual page 533

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
BQ:DTC P0852 NEUTRAL SWITCH INPUT CIRCUIT HIGH (MT MODEL)
• 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)(diag)-47,
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)(diag)-40, OPERATION,
Inspection Mode.>.
• WIRING DIAGRAM:
B25
T2
NEUTRAL
POSITION
SWITCH
T2
B25
B22
E3
E
B136 ECM
MT
12 12
11 7
B12 T3 T7
EN(H4SO)(diag)-224
INHIBITOR SWITCH
P R N D 3 2 1
STARTER MOTOR
M
B14
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
B136
1 2 3 4 5 6
7 8 14 15 16 17
9 10 11 12 13
18 19 20 21 22 23 24 25 26
B25
1 2
B22
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
EN-02612