Subaru IMPREZA 2001 Service Manual page 33

FUEL INJECTION (FUEL SYSTEMS)
C: ADJUSTMENT
1) Turn ignition switch to OFF.
2) Loosen throttle position sensor holding screws.
3) When using voltage meter;
(1) Take out ECM.
(2) Turn ignition switch to ON.
(3) Adjust throttle position sensor to the proper
position to allow the voltage signal to ECM to be
in specification.
Connector & terminal / Specified voltage
(B136) No. 15 — (B136) No. 17 / 0.45 — 0.55 V
[Fully closed.]
(4) Tighten 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 ignition switch to OFF.
THROTTLE POSITION SENSOR
B2M3765
B2M4131A
B2M3765
FU(SOHCw/oOBD)-32
(2) Loosen throttle position sensor holding
screws.
NOTE:
For detailed operation procedures, refer to the Sub-
aru Select Monitor Operation Manual.
(3) Insert the cartridge to Subaru Select Moni-
tor.
(4) Connect Subaru Select Monitor to the data
link connector.
5) Turn ignition switch to ON, and Subaru Select
Monitor switch to ON.
6) Select {2. Each System Check} in Main Menu.
7) Select {Engine Control System} in Selection
Menu.
8) Select {1. Current Data Display & Save} in En-
gine Control System Diagnosis.
9) Select {1.12 Data Display} in Data Display Menu.
10) Adjust throttle position sensor to the proper po-
sition to match with the following specifications.
Condition: Throttle fully closed
Throttle opening angle 0.00%
Throttle sensor voltage 0.50 V
B2M3765
S2M0286A
B2M3148A