Subaru LEGACY 2006 Manual page 199

asieps_tobira.book 162 ページ ２００９年１０月２６日 月曜日 午前９時１６分
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step
5 CHECK HARNESS BETWEEN FUEL TEM-
PERATURE SENSOR AND ECM CONNEC-
TOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Measure the resistance of harness
between fuel pump connector and ECM.
Connector & terminal
(R58) No. 3 — (B135) No. 30:
Check
Is the resistance less than 1
Ω?
EN(H4SO)(diag)-162
Yes No
Replace the fuel Repair the har-
temperature sen- ness and connec-
sor. <Ref. to tor.
EC(H4SO)-9, Fuel
NOTE:
Temperature Sen-
In this case, repair
sor.>
the following item:
• Open circuit of
harness between
ECM and
pump connector
• Poor contact in
fuel pump connec-
tor
• Poor contact in
ECM connector
• Poor contact of
coupling connector
• Poor contact of
joint connector
fuel