Subaru 2009 IMPREZA Service Manual page 1540

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DO:DTC P2101 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT RANGE/
PERFORMANCE
DTC DETECTING CONDITION:
• Immediately at fault recognition
• GENERAL DESCRIPTION <Ref. to GD(H4DOTC)-207, DTC P2101 THROTTLE ACTUATOR CONTROL
MOTOR CIRCUIT RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting Criteria.>
TROUBLE SYMPTOM:
• Improper idling
• Poor driving performance
• Engine stalls.
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-54,
OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4DOTC)(diag)-43, PROCE-
DURE, Inspection Mode.>.
WIRING DIAGRAM:
ELECTRONIC
THROTTLE
CONTROL RELAY
E
E57
1 2 3 4 5 6
A: B134
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25 26 27
28 29 30 31 32 33 34
B220
29
22
31
32
MAIN RELAY
30
B220
ECM
A: B134 C: B136 D:
ELECTRONIC
THROTTLE CONTROL
B122
1 2 3 4
1 2 3 4 5 6 7 8 9 10 11
5 6 7 8
12 13 14 15 16 17 18 19 20 21 22
23 24 25
34 35 36 37 38 39 40 41
42 43
48 49 50 51 52 53 54
C: B136
1 2 3 5 6
4
7 8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 25 26 27
28 29 30 31 32 33 34 35
EN(H4DOTC)(diag)-319
FUSE
B220
(RELAY BLOCK)
15A
21
4 3
B137
B21
E2
E
E57
B21
26 27 28 29 30 31 32 33
44 45 46 47
1
8 9
18 19 20 21
26 27
ENGINE (DIAGNOSTICS)
BATTERY
SBF-7
B122
*
*
: TERMINAL No. OPTIONAL
*
ARRANGEMENT
B220
1 2 9 13
10 14
3 4
11 12 15 16
5 6
7 8 25 29
26 30
27 28 31 32
D: B137
2 3 4 5 6 7
10 11 12 13 14 15 16 17
22 23 24 25
28 29 30 31
E
17 21
18 22
19 20 23 24
33 37
34 38
35 36 39 40
EN-05902