Subaru 2009 IMPREZA Service Manual page 654

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
CA:DTC P0607 THROTTLE CONTROL SYSTEM CIRCUIT RANGE/PERFORMANCE
DTC DETECTING CONDITION:
• Immediately at fault recognition
• GENERAL DESCRIPTION<Ref. to GD(H4SO)-147, DTC P0607 THROTTLE CONTROL SYSTEM CIR-
CUIT RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting Criteria.>
TROUBLE SYMPTOM:
• Improper idling
• Poor driving performance
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4SO)(diag)-55,
OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4SO)(diag)-44, PROCEDURE,
Inspection Mode.>.
WIRING DIAGRAM:
MAIN RELAY
37
38
39
40
B220
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 26 27 28 29 30 31 32 33
B72
34 35 36
42 43
1 2 3
48 49 50
4 5 6
E57
1 2 3 4 5 6
No. 12
A: B134 B: B135
D: B137
C: B136
E E
B21 A:
1 2 3
8 9 10 11 12 13 14 15
18 19 20 21
28 29 30 31
37 38 39 40 41
C:
44 45 46 47
51 52 53 54
1 2
7 8 9
17 18 19 20
28 29 30
EN(H4SO)(diag)-237
FUSE
B220
(RELAY BLOCK)
4 3
IGNITION
B72
SWITCH
SBF-6
1 3
ECM
B21
E2
ELECTRONIC
E57
THROTTLE CONTROL
B: B135
B134
1 2 3
4 5 6 7
8 9 10 11 12 13 14 15
16 17
20 21 22 23
22 23 24 25 26 27
28 29 30 31
32 33 34
B136 D: B137
3 4 5 6 1 2 3 4
10 11 12 13 14 15 16 8 9 10 11 12 13 14 15
18 19 20 21 22 23
21 22 23 24 25 26 27
31 32 33 34 35 26 27 28 29
ENGINE (DIAGNOSTICS)
SBF-7
No. 13
BATTERY
MAIN SBF
: TERMINAL No. OPTIONAL
*
ARRANGEMENT
B122
*
*
E
B220
4 5 6 7
1 2 9
16 17 18 19
10
3 4
24 25 26 27
11 12 15 16
32 33 34 35 5 6
7 8 25
26
27 28 31
5 6 7
16 17
24 25
30 31
E
13 17 21
14 18 22
19 20 23 24
29 33 37
30 34 38
32 35 36 39 40
EN-06641