Subaru 2009 IMPREZA Service Manual page 3320

Diagnostics Chart for Security Indicator Light
IMMOBILIZER (DIAGNOSTICS)
8. Diagnostics Chart for Security Indicator Light
A: INSPECTION
1. CHECK SECURITY INDICATOR LIGHT CIRCUIT
WIRING DIAGRAM:
BATTERY
i102
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15 16
1 2
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
24 25
Step
1 CHECK FUSE.
1) Turn the ignition switch to OFF.
2) Check the fuse (M/B No. 8).
MAIN SBF SBF-8
SBF-3
E E
B: B280
1 2 3 4 5 6
7 8 9 10 11 12 13 14 15 16 17
18 19 20 1 2 22 23 24 25 26
A: i84
3 4 5 6 7 8
26 27 28 29 30 31 32 33 34 35
IM(diag)-10
F/B No. 7
IGNITION
SWITCH
F/B No. 12
M/B No. 8
A: C: B281
i84
BODY INTEGRATED UNIT
B: B280 D: B279
C: B281
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
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
Check
Is the fuse blown out?
R167
i102
SECURITY
INDICATOR
1
39
COMBINATION METER
D: B279
1 2 3 4
8 9 10 11 12 13 14 15 16 17 18
27 28
21 22 23 24 25 26 27
i10
Yes
Replace the fuse. If Go to step 2.
the replaced fuse
blows out easily,
repair the short cir-
cuit in the harness
between the fuse
and body inte-
grated unit.
i10
LIGHT
5 6 7
19 20
28 29 30
IM-00299
No