Subaru Legacy 2005 Service Manual page 1400

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step
10 CHECK HARNESS BETWEEN ECM AND
NEUTRAL POSITION SWITCH CONNEC-
TOR.
1) Disconnect the connector from ECM.
2) Measure the resistance of harness
between ECM and transmission harness con-
nector.
Connector & terminal
(B137) No. 9 — (B25) No. 1:
11 CHECK HARNESS BETWEEN NEUTRAL
POSITION SWITCH CONNECTOR AND EN-
GINE GROUND.
Measure the resistance of harness between
transmission harness connector and engine
ground.
Connector & terminal
(B25) No. 2 — Engine ground:
12 CHECK POOR CONTACT.
Check poor contact in transmission harness
connector.
Check
Is the resistance less than 1
Ω?
Is the resistance less than 1
Ω?
Is there poor contact in trans-
mission harness connector?
EN(H4DOTC)(diag)-160
Yes
Go to step 11. Repair the open
circuit of harness
between ECM and
transmission har-
ness connector.
Go to step 12. Repair the open
circuit between
transmission har-
ness connector
and engine ground
terminal.
Repair the poor Replace the ECM.
contact in trans- <Ref. to
mission harness FU(H4DOTC)-34,
connector. Engine Control
Module (ECM).>
No