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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
1
CHECK ECM.
Read the DTC of ECM using Subaru Select
Monitor.
Check
Is DTC other than "CAN com-
munication" displayed on Sub-
aru Select Monitor?
LAN(diag)-55
LAN SYSTEM (DIAGNOSTICS)
Yes
Perform the diag-
Replace the ECM.
nosis according to
<Ref. to FU(H4SO
DTC.
2.0)-34, Engine
Control Module
(ECM).> <Ref. to
FU(H4SO 2.5)-37,
Engine Control
Module (ECM).>
<Ref. to
FU(H4DOTC)-34,
Engine Control
Module (ECM).>
<Ref. to
FU(H6DO)-34,
Engine Control
Module (ECM).>
No
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