Subaru 2009 IMPREZA Service Manual page 479

ENGINE (DIAGNOSTICS)
C: MALFUNCTION INDICATOR LIGHT DOES NOT COME ON
DIAGNOSIS:
The malfunction indicator light circuit is open or shorted.
TROUBLE SYMPTOM:
When the ignition switch is turned to ON (engine OFF), malfunction indicator light does not illuminate.
WIRING DIAGRAM:
B136 ECM
B72
1 2 3
4 5 6 7
17 18 19 20
28 29
Malfunction Indicator Light
B72
No. 5
1
COMBINATION
METER
i10
i1
B36
B136
1 2 3 4 5 6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
8 9 10 11 12 13 14 15 16
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
21 22 23 24 25 26 27
30 31 32 33 34 35
EN(H4SO)(diag)-62
IGNITION
SWITCH
SBF-6
3
i10
BATTERY
MAIN SBF
E
i1
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
EN-06660