Subaru 2009 IMPREZA Service Manual page 940

B: INSTALLATION
Install in the reverse order of removal.
NOTE:
Use new O-rings.
Tightening torque:
8 N·m (0.8 kgf-m, 5.9 ft-lb)
Tightening torque:
T1: 3 N·m (0.3 kgf-m, 2.2 ft-lb)
T2: 6.4 N·m (0.7 kgf-m, 4.7 ft-lb)
T1
C: INSPECTION
1. THROTTLE SENSOR
(METHOD WITH CIRCUIT TESTER)
1) Remove the lower inner trim of passenger's
side. <Ref. to EI-55, REMOVAL, Lower Inner
Trim.>
2) Turn over the floor mat of passenger's seat.
3) Remove the protect cover.
Throttle Body
FU-03815
T2
FU-04029
FU-03416
FU(H4DOTC)-15
FUEL INJECTION (FUEL SYSTEMS)
4) Remove the nuts and bolts which hold the ECM
to the bracket.
5) Turn the ignition switch to ON. (engine OFF)
6) Measure the voltage between ECM connector
terminals.
7 6 5
17 16 15 14
27 26 25 24
34 33
(A) To ECM connector
Throttle Accelerator
sensor pedal
Not depressed
(Full closed)
Main
Depressed
(Full opened)
Not depressed
(Full closed)
Sub
Depressed
(Full opened)
2. THROTTLE SENSOR
(METHOD WITH SUBARU SELECT MONITOR)
1) Turn the ignition switch to ON. (engine OFF)
2) Read the throttle opening angle signal and volt-
age of throttle sensor using Subaru Select Monitor.
<Ref. to EN(H4DOTC)(diag)-35, READ CURRENT
DATA FOR ENGINE (NORMAL MODE), OPERA-
TION, Subaru Select Monitor.>
Throttle opening
Throttle sensor
angle signal
0.0 %
Main
100.0 %
0.0 %
Sub
100.0 %
FU-03417
(A)
4 3 2 1
13 12 11 10 9 8
23 22 21 20 19 18
32 31 30 29 28
V
FU-04049
Terminal No. Standard
Approx.
0.6 V
18 (+) and 29 (–)
Approx.
3.96 V
Approx.
1.48 V
28 (+) and 29 (–)
Approx.
4.17 V
Standard
Approx. 0.6 V
Approx. 3.96 V
Approx. 1.48 V
Approx. 4.17 V