Subaru Impreza 2003 Service Manual page 709

C: ADJUSTMENT
1) Turn the ignition switch to OFF.
2) Loosen the throttle position sensor holding
screws.
3) When using the voltage meter;
(1) Take out the ECM.
(2) Turn the ignition switch to ON.
(3) Adjust the throttle position sensor to proper
position to make the voltage signal to ECM
come to specification.
Connector & terminal/Specified voltage
(B136) No. 16 — (B136) No. 17/0.45 — 0.55 V
[Fully closed.]
B136
7 6 5 4
20 19 18 17 16 15 14 13 12 11
30 29 28 27 26
(4) Tighten the throttle position sensor holding
screws.
NOTE:
For tightening torque, refer to "COMPONENT".
<Ref. to FU(H4SOw/oOBD)-3, COMPONENT,
General Description.>
4) When using the 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 Subaru
Select Monitor Operation Manual.
THROTTLE POSITION SENSOR
FU-00291
3 2 1
10 9 8
25 24 23 22 21
FU-00932
FU(H4SOw/oOBD)-33
FUEL INJECTION (FUEL SYSTEMS)
(3) Insert the cartridge to Subaru Select Moni-
tor.
(4) Connect the Subaru Select Monitor to data
link connector.
5) Turn the ignition switch to ON, and Subaru Se-
lect 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 proper po-
sition 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.
NOTE:
For tightening torque, refer to "COMPONENT".
<Ref. to FU(H4SOw/oOBD)-3, COMPONENT,
General Description.>
ST
FU-00293
FU-00933