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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
Step
1
CHECK HARNESS.
1) Disconnect the body integrated module
connector.
2) Measure the resistance between body inte-
grated module connectors.
Connector & terminal
(B280) No. 20 — No. 30:
2
CHECK HARNESS.
1) Disconnect the body integrated module
connector.
2) Measure the resistance between body inte-
grated module connectors.
Connector & terminal
(B280) No. 20 — No. 30:
Check
Is the resistance 55 — 65 Ω?
Is the resistance 115 — 125
Ω?
LAN(diag)-60
Yes
Read the DTC of
Go to step 2.
ECM. Perform the
diagnosis accord-
ing to DTC. <Ref.
to EN(H4SO
2.0)(diag)-25,
READ DIAGNOS-
TIC TROUBLE
CODE (DTC) FOR
ENGINE (NOR-
MAL MODE),
OPERATION,
Subaru Select
Monitor.> <Ref. to
EN(H4SO
2.5)(diag)-25,
READ DIAGNOS-
TIC TROUBLE
CODE (DTC) FOR
ENGINE (NOR-
MAL MODE),
OPERATION,
Subaru Select
Monitor.> <Ref. to
EN(H4DOTC)(diag
)-24, READ DIAG-
NOSTIC TROU-
BLE CODE (DTC)
FOR ENGINE
(NORMAL
MODE), OPERA-
TION, Subaru
Select Monitor.>
<Ref. to
EN(H6DO)(diag)-
26, READ DIAG-
NOSTIC TROU-
BLE CODE (DTC)
FOR ENGINE
(NORMAL
MODE), OPERA-
TION, Subaru
Select Monitor.>
∞ Ω Related line of
Go to step 3.
body integrated
module is open
when. Repair or
replace the open
circuit of harness.
No
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