Subaru Impreza 2004 Service Manual page 123

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
BC:DTC P0503 VEHICLE SPEED SENSOR INTERMITTENT/ERRATIC/HIGH
• DTC DETECTING CONDITION:
• Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-
47, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-39, Inspec-
tion Mode.>.
• WIRING DIAGRAM:
IGNITION
SWICTH
1
4
B72
B56 TCM
17
COMBINATION
METER
i11
i1
2 11
7
i2
Step
1 CHECK TRANSMISSION TYPE.
SBF-4
No.18
VEHICLE
SPEED
SENSOR
B17
AT MT
RHD
B36
B100
F2
RHD
B37
F60
E3
B134 ECM
E
EN(H4DOTC)(diag)-202
BATTERY
: LHD B22 : RHD
E
Check
Is the transmission type AT?
B72 B56
1 2
1 2 3 4 5 6
3 4
10 11 12 13 14 15
19 20 21
i2
1 2 3 4 5 6 7 8
10 11 12 13 14 15 16 17 18 19 20
22 23 24 25 26 27 28 29 30 31
F2
1 2 3 4 5 6 7 8 9 10 11
12 13 14 15 16 17 18 19 20 21 22 23 24
i11
1 2 3 4 5 6 7 8 9 10
: STi MODEL : EXCEPT FOR
B17
B17
STi MODEL
1 2 3
1 2
3 4
B134
F60
B22
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15
1 2 3 4
16 17 18 19 20 21 22
5 6 7 8
9 10 11 12
13 14 15 16
i1
1 2 3 4 5 6 7 8 9 10 11
12 13 14 15 16 17 18 19 20 21 22 23 24
Yes
Go to step 2. Go to step 3.
7 8 9
16 17 18
22 23 24
9
21
32
: LHD
: RHD
EN-02565
No