Page 809 of 2870
FU(H4SO)-27
FUEL INJECTION (FUEL SYSTEM)
Camshaft Position Sensor
6. Camshaft Position Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from the camshaft po-
sition sensor.
3) Remove the bolt which installs camshaft position
sensor to the camshaft position sensor support.
4) Remove the bolt which installs camshaft position
sensor support to the camshaft cap LH.
5) Remove the camshaft position sensor and cam-
shaft position sensor support as a unit.6) Remove the camshaft position sensor itself.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
Camshaft position sensor support;
6.4 N
⋅m (0.65 kgf-m, 4.7 ft-lb)
Camshaft position sensor;
6.4 N
⋅m (0.65 kgf-m, 4.7 ft-lb)
FU-00009
FU-00147
FU-00177
FU-00178
FU-00179
Page 810 of 2870
FU(H4SO)-28
FUEL INJECTION (FUEL SYSTEM)
Knock Sensor
7. Knock Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the air cleaner case.
IN(H4SO)-6, REMOVAL, Air Cleaner Case.>
3) Disconnect the knock sensor connector.
4) Remove the knock sensor from the cylinder
block.
B: INSTALLATION
1) Install the knock sensor to the cylinder block.
Tightening torque:
24 N
⋅m (2.4 kgf-m, 17.4 ft-lb)
NOTE:
The extraction area of the knock sensor cord must
be positioned at a 60° angle relative to the engine
rear.
2) Connect the knock sensor connector.
3) Install the air cleaner case.
Case.>
4) Connect the battery ground cable to battery.
FU-00009
FU-00062
FU-00519
(A) Front side
FU-00413
(A)
60
FU-00062
FU-00009
Page 811 of 2870

FU(H4SO)-29
FUEL INJECTION (FUEL SYSTEM)
Throttle Position Sensor
8. Throttle Position Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from the throttle posi-
tion sensor.
3) Remove the throttle position sensor holding
screws, and remove it.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
1.6 N
⋅m (0.16 kgf-m, 1.2 ft-lb)
CAUTION:
When installing throttle position sensor, adjust
to the specified data.
C: ADJUSTMENT
1) Turn the ignition switch to OFF.
2) Loosen the throttle position sensor holding
screws.
3) When using voltage meter;
(1) Take out the ECM.
(2) Turn the ignition switch to ON.
(3) Adjust the throttle position sensor to the
proper position to allow the voltage signal to the
ECM to be in specification.
Connector & terminal / Specified voltage
(B135) No. 13 (+) — (B135) No. 19 (
−) / 0.45 —
0.55 V
[Fully closed.]
FU-00009
FU-00289
FU-00290
FU-00290
FU-00291
FU-00520
4
1 526
18 1516
7
891011
17
19
20121314
B135
3
2122232425262728
Page 812 of 2870

FU(H4SO)-30
FUEL INJECTION (FUEL SYSTEM)
Throttle Position Sensor
(4) Tighten the throttle position sensor holding
screws.
Tightening torque:
1.6 N
⋅m (0.16 kgf-m, 1.2 ft-lb)
4) When using Subaru Select Monitor;
(1) Turn the ignition switch to OFF.
(2) Loosen the throttle position sensor holding
screws.
NOTE:
For detailed operation procedures, refer to the
SUBARU SELECT MONITOR OPERATION MAN-
UAL.
(3) Insert the cartridge to the Subaru Select
Monitor.(4) Connect the Subaru Select Monitor to the
data link connector.
5) Turn the ignition switch to ON, and the Subaru
Select Monitor switch to ON.
6) Select the {2. Each System Check} in Main
Menu.
7) Select the {Engine Control System} in Selection
Menu.
8) Select the {1. Current Data Display & Save} in
Engine Control System Diagnosis.
9) Select the {1.12 Data Display} in Data Display
Menu.
10) Adjust the throttle position sensor to the proper
position to match with the following specifications.
Condition: Throttle fully closed
Throttle opening angle 0.00%
Throttle sensor voltage 0.50 V
11) Tighten the throttle position sensor holding
screws.
Tightening torque:
1.6 N
⋅m (0.16 kgf-m, 1.2 ft-lb)
FU-00291
FU-00291
FU-00293
ST
ME-00325
FU-00291
Page 813 of 2870
FU(H4SO)-31
FUEL INJECTION (FUEL SYSTEM)
Manifold Absolute Pressure Sensor
9. Manifold Absolute Pressure
Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from the manifold ab-
solute pressure sensor.
3) Remove the manifold absolute pressure sensor.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
1.6 N
⋅m (0.16 kgf-m, 1.2 ft-lb)
NOTE:
Replace the O-ring with a new one.
FU-00009
FU-00294
FU-00295
FU-00295
FU-00296
Page 814 of 2870
FU(H4SO)-32
FUEL INJECTION (FUEL SYSTEM)
Intake Air Temperature Sensor
10.Intake Air Temperature Sen-
sor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from the intake air
temperature sensor.
3) Remove the intake air temperature sensor from
air cleaner case.
B: INSTALLATION
Install in the reverse order of removal.
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FU-00297
Page 815 of 2870
FU(H4SO)-33
FUEL INJECTION (FUEL SYSTEM)
Idle Air Control Solenoid Valve
11.Idle Air Control Solenoid
Valve
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from the idle air con-
trol solenoid valve.
3) Remove the idle air control solenoid valve from
the throttle body.
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
Always use new gasket.
Tightening torque:
1.6 N
⋅m (0.16 kgf-m, 1.2 ft-lb)
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Page 816 of 2870
FU(H4SO)-34
FUEL INJECTION (FUEL SYSTEM)
EGR Valve
12.EGR Valve
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from EGR valve.
3) Remove the EGR valve from intake manifold.
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
For tightening torque, refer to “COMPONENT”.
to FU(H4SO)-3, COMPONENT, General Descrip-
tion.>
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