Subaru FORESTER 2001 Service Manual page 135

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (Diagnostics)
No.
5 CHECK HARNESS BETWEEN ENGINE
COOLANT TEMPERATURE SENSOR AND
ECM CONNECTOR.
1) Turn ignition switch to OFF.
2) Measure resistance of harness between
engine coolant temperature sensor connector
and engine ground.
Connector & terminal
(E8) No. 1 — Engine ground:
Step
Is the resistance less than
5 Ω?
EN(DOHC TURBO)-134
Check Yes
Replace engine
coolant tempera-
ture sensor. <Ref.
to FU(DOHC
TURBO)-29,
Engine Coolant
Temperature Sen-
sor.>
No
Repair harness
and connector.
NOTE:
In this case,
repair the follow-
ing:
¼ Open circuit in
harness between
ECM and engine
coolant tempera-
ture sensor con-
nector
¼ Poor contact in
engine coolant
temperature sen-
sor connector
¼ Poor contact in
ECM connector
¼ Poor contact in
coupling connec-
tor
¼ Poor contact in
joint connector