Subaru 2002 IMPREZA Service Manual page 1461

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
• RHD model
THROTTLE
POSITION
SENSOR
B135 ECM
Step
1 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODE (DTC) ON DISPLAY.
E13
E2
B21
3
1
B83
Is any other DTC displayed?
EN(TURBO)-301
E13
1 2 3
B21
1 2
5 6 7
9 10
13 14 15
17 18
B83
1 2 3 4 5 6
B135
1 2 3 4 5 6
10 11 12 13 14 15
20 21 22 23 24
Check
Inspect the rele-
vant DTC using
"List of Diagnostic
Trouble Code
(DTC)". <Ref. to
EN(TURBO)-75,
List of Diagnostic
Trouble Code
(DTC).>
NOTE:
In this case, it is
not necessary to
inspect
P1142.
ENGINE (DIAGNOSTICS)
3 4
8
11 12
16
19 20
7 8 9
16 17 18 19
25 26 27 28
EN0972
Yes No
Replace the throt-
tle position sensor.
<Ref. to
FU(TURBO)-33,
Throttle Position
Sensor.>
DTC