Subaru 2009 IMPREZA Service Manual page 501

Diagnostic Procedure for Subaru Select Monitor Communication
ENGINE (DIAGNOSTICS)
18.Diagnostic Procedure for Subaru Select Monitor Communication
A: COMMUNICATION FOR INITIALIZING IMPOSSIBLE
DIAGNOSIS:
Open or short circuit in data link connector
TROUBLE SYMPTOM:
Subaru Select Monitor communication failure
WIRING DIAGRAM:
B440
DATA LINK
CONNECTOR
B40
B440 B122
B442
1 2 3 4
5 6 7 8
1 2 3 4 5
C: B136
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 35
A: B134
B442
2 2
*
* B122
*
B40
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
D: B137
1 2 3 4 5 6
8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25
26 27 28 29 30 31
EN(H4SO)(diag)-84
No.13
ECM
C: B136 D: B137
B21
E2
E E
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
7
BATTERY
E
* : TERMINAL No. OPTIONAL ARRANGEMENT
B21
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 35 36 37 38 39 40 41
42 43 44 45 46 47
48 49 50 51 52 53 54
EN-07186