Subaru B9 TRIBECA WX 2007, Manual

Page: 642 / 861

LAN(diag)-67
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
Step Check Yes No
1 CHECK DTC.
Connect the Subaru Select Monitor and read
the DTC of the body integrated unit.
Are there any other DTC
besides U1300? Perform diagnosis
according to other
DTC. Go to step 2 .
2 CHECK DTC.
Check the DTC displayed in the body integrated
unit.
Is the DTC displayed a current
malfunction? Replace the body
integrated unit.
<Ref. to SL-51,
REMOVAL, Body
Integrated Unit.> Go to step 3 .
3 CHECK DTC.
Turn the ignition switch to OFF, and read the
DTC again.
Is U1300 a current malfunc-
tion? <Ref. to
LAN(diag)-67,
DTC U1300 CAN-
LS MALFUNC-
TION, Diagnostic
Procedure with
Diagnostic Trouble
Code (DTC).> Temporary poor
contact occurs.
4 CHECK CURRENT DATA.
Check the current data (auto A/C failure) of the
body integrated unit using the Subaru Select
Monitor.
Is OK displayed? Go to step
5
. Perform the auto A/
C self-diagnosis.
<Ref. to AC(diag)-
10, OPERATION,
Diagnostic Chart
for Self-diagno-
sis.>
5 CHECK CURRENT DATA.
Check current data (center display failure) of the
body integrated unit.
Is OK displayed? Go to step
6
. Repair or replace
the center display
or MFD. <Ref. to
ET-22, REMOVAL,
Navigation Dis-
play.>
6 CHECK HARNESS.
1) Disconnect the CAN junction connector
(i141, i142) and body integrated unit connector
(i84).
2) Measure the resistance between connector
terminals.
Connector & terminal
(i84) No. 26 — (i142) No. 1 to 4:
(i84) No. 27 — (i141) No. 1 to 4:
NOTE:
The i128 junction connector is freely arranged.
Is the resistance less than 10
Ω
?
Go to step 7 . Repair the short
circuit of harness
or replace har-
ness.
7 CHECK HARNESS.
1) Disconnect the combination meter connec-
tor.
2) Measure the resistance between junction
connector and combination meter connector.
Connector & terminal
(i10) No. A29 — (i141) No. 1 to 4:
(i10) No. A30 — (i142) No. 1 to 4:
Is the resistance less than 10
Ω ?
Go to step
8
. Repair the open
circuit of harness
or replace har-
ness.
8 CHECK HARNESS.
1) Disconnect the body integrated unit connec-
tor (B280) and Auto A/C control module con-
nector (B283).
2) Measure the resistance between body inte-
grated unit connector and auto A/C control
module connector.
Connector & terminal
(B283) No. 1 — (B280) No. 26:
(B283) No. 14 — (B280) No. 25:
Is the resistance less than 10
Ω
?
Go to step 9 . Repair the open
circuit of harness
or replace har-
ness.
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