Subaru 2004 LEGACY Service Manual page 126

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BI: DTC P0340 CAMSHAFT POSITION SENSOR "A" CIRCUIT (BANK 1 OR SIN-
GLE SENSOR)
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
• Engine stalls.
• Failure of engine to start
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H6DO)(diag)-40,
OPERATION, Clear Memory Mode.> and Inspection Mode. <Ref. to EN(H6DO)(diag)-33, PROCEDURE,
Inspection Mode.>
WIRING DIAGRAM:
MAIN RELAY
5
3
6
4
2
1
B47
LHD: 3
1
*
RHD: TERMINAL No.
RANDOM ARRANGEMENT
2 LHD: 8
*
RHD: TERMINAL No.
RANDOM ARRANGEMENT
E73 B47
E74
1 2
3 4
5 6
1 2 3
13 14 15 16
B83
1 2 3 4
5 6 7 8
48
B21 E2
B: B135
B20
1 2 3 4
1 2 3 4
8 9 10 11 12 13 14 15
5 6 7 8
20 21 22 23 24 25
9 10 11 12
28 29 30 31 32 33
EN(H6DO)(diag)-195
CAMSHAFT
POSITION
SENSOR LH
E74
E2
B21
1
*
2
*
B83
B:
B135
ECM
C:
B136
C: B136
5 6 7 1 2 3 4
7 8 9 10 11 12 13 14 15
16 17 18 19
26 27 17 18 19 20 21 22 23 24
28 29 30 31 32
34 35
ENGINE (DIAGNOSTICS)
BATTERY
SBF-8
CAMSHAFT
POSITION
SENSOR RH
E73
E1
B20
B21
5 6
1 2 3 4 5 6 7 8
16
12 13 14 15 16 17 18 19
25 26 27
23 24 25 26 27 28 29 30 31 32 33
33 34 35
34 35 36 37 38
42 43 44 45
48 49 50 51
E
9 10 11
20 21 22
39 40 41
46 47
52 53 54
EN-02508