Subaru 2009 IMPREZA Service Manual page 960

6) Connect the probe to ECM connector.
(A)
7 6 5 4 3
17 16 15 14 13 12
27 26 25 24 23 22
34 33 32
(A) To ECM connector
Camshaft position
Terminal No.
sensor
RH
LH
RH and LH
7) Start the engine and let it idle.
8) Check the pattern is as same as the waveform
and voltage shown below.
RH
0
LH
0
(A)
(A) One camshaft rotation
Camshaft Position Sensor
2 1
11 10 9 8
21 20 19 18
31 30 29 28
FU-04059
Probe
11 +
21 +
22 –
(A)
5V
50ms
FU-04060
FU(H4DOTC)-35
FUEL INJECTION (FUEL SYSTEMS)