Subaru LEGACY 2006 Manual page 3688

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2. BODY INTEGRATED UNIT POWER SUPPLY AND GROUND CIRCUIT
IGNITION
SWITCH
OFF ACC ON
B
ACC
IG
*
: TERMINAL No. OPTIONAL
ARRANGEMENT AMONG
1, 2, 3, 4, 5 AND 6
Step
1 CHECK DTC OF BODY INTEGRATED UNIT.
Check DTC of body integrated unit.
<Ref. to LAN(diag)-12, OPERATION, Subaru
Select Monitor.>
2 CHECK HARNESS CONNECTOR BETWEEN
BODY INTEGRATED UNIT AND CHASSIS
GROUND.
1) Turn the ignition switch to OFF.
2) Measure the harness resistance between
the body integrated unit and chassis ground.
Connector & terminal
(i84) No. 21 — Chassis ground:
(B280) No. 22 — Chassis ground:
(B281) No. 8 — Chassis ground:
(B281) No. 9 — Chassis ground:
3 CHECK POOR CONTACT.
AT Shift Lock Control System
SBF-6
A: i84
B: B280 BODY INTEGRATED UNIT
C: B281
Is the DTC of power line dis-
played on body integrated
unit?
Is the resistance less than 1
Ω?
Is there poor contact in con-
nector?
CS-11
MAIN SBF
SBF-8
1 2
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
24 25
BATTERY
JOINT GROUND
i97
CONNECTOR
* *
1 2
8 9
21 22
1 2
8 9
20 21
E E
Check Yes
Repair or replace it
according to the
DTC.
Go to step 3.
Repair the poor
contact.
CONTROL SYSTEMS
A: i84
3 4 5 6 7 8
26 27 28 29 30 31 32 33 34 35
i97
1 2 3 4 5 6
7 8 9 10 11 12
B: B280
3 4 5 6 7
10 11 12 13 14 15 16 17 18 19 20
23 24 25 26 27 28 29 30
C: B281
3 4 5 6 7
10 11 12 13 14 15 16 17 18 19
22 23 24 25 26 27 28
CS-00674
No
Go to step 2.
Repair the open
circuit of harness
between the body
integrated unit and
chassis ground.
Check the body
integrated unit.