Subaru Legacy 2005 Service Manual page 4191

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
3 CHECK HARNESS.
1) Disconnect the ECM connector.
2) Measure the resistance between harness
connector terminals.
Connector & terminal
2.0 L SOHC RHD model, 2.5 L (KA) RHD
model, 2.0 L LHD model and 2.5 L (KS)
LHD model
(B136) No. 13 — No. 14:
Except for 2.0 L SOHC RHD and 2.5 L
(KA) RHD model, 2.5 L (EC, K4) LHD mod-
el, 3.0 L LHD model
(B137) No. 18 — No. 26:
4 CHECK ECM.
1) Disconnect the ECM connector.
2) Measure the resistance between ECM ter-
minals.
Terminals
2.0 L SOHC RHD model, 2.5 L (KA) RHD
model, 2.0 L LHD model and 2.5 L (KS)
LHD model
(B136) No. 13 — No. 14:
Except for 2.0 L SOHC RHD and 2.5 L
(KA) RHD model, 2.5 L (EC, K4) LHD mod-
el, 3.0 L LHD model
(B137) No. 18 — No. 26:
Check
Is the resistance 115 — 125
Ω?
Is the resistance 115 — 125
Ω?
LAN(diag)-61
LAN SYSTEM (DIAGNOSTICS)
Yes
Go to step 4. Go to step 5.
Read the DTC of End resistance is
ECM. Perform the open. Replace the
diagnosis accord- ECM. <Ref. to
ing to DTC. <Ref. FU(H4SO 2.0)-34,
to EN(H4SO Engine Control
2.0)(diag)-25, Module (ECM).>
READ DIAGNOS- <Ref. to FU(H4SO
TIC TROUBLE 2.5)-37, Engine
CODE (DTC) FOR Control Module
ENGINE (NOR- (ECM).> <Ref. to
MAL MODE), FU(H4DOTC)-34,
OPERATION, Engine Control
Subaru Select Module (ECM).>
Monitor.> <Ref. to <Ref. to
EN(H4SO FU(H6DO)-34,
2.5)(diag)-25, Engine Control
READ DIAGNOS- Module (ECM).>
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.>
No