Subaru Legacy III (2000-2003 year). Manual - part 32

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FUEL INJECTION (FUEL SYSTEMS)

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

(B134) No. 13

 (

 (

 (

 (

+

) 

) 

) 

) 

— (B134) No. 19 

(-) 

(-) 

(-) 

(-) 

/ 

0.45 — 0.55 V
[Fully closed.]

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4

1

5

2

6

18

15

16

7

8

9

10

11

17

19

20

12

13

14

B135

3

21

22

23

24

25

26

27

28

FU(H4SO)-31

FUEL INJECTION (FUEL SYSTEMS)

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 Manual.

(3) Insert the cartridge to the Subaru Select
Monitor.

(4) Connect the Subaru Select Monitor to the
data link connector (A).

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)

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( A )

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FUEL INJECTION (FUEL SYSTEMS)

PRESSURE SENSOR

9. Pressure Sensor

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Disconnect the connector from the pressure
sensor.

3) Remove the 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.

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FU(H4SO)-33

FUEL INJECTION (FUEL SYSTEMS)

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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