Subaru 2009 IMPREZA Service Manual page 3374

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
C: DTC B1102 BATT P/SUPPLY MALFUNCTION BACKUP
DTC DETECTING CONDITION:
Voltage malfunction caused by poor contact of battery power supply backup circuits
TROUBLE SYMPTOM:
No influence.
NOTE:
• When B1101 BATT p/supply (cont.) malfunction are output at the same time, all function of body integrated
unit may not operate.
• B1101 may input when the battery run-out occurs.
WIRING DIAGRAM:
BATTERY
MAIN SBF
E
FUSE & RELAY BOX
JOINT GROUND
CONNECTOR
:
* 1
TERMINAL No.
OPTIONAL ARRANGEMENT
MAIN FUSE BOX
A: i84
B: B280
BODY INTEGRATED UNIT
C: B281
D: B279
i97
E E
LAN(diag)-41
LAN SYSTEM (DIAGNOSTICS)
B: B280
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
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 27 28
D: B279
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 27 28 29 0 3
A: i84
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
LAN00406