Subaru LEGACY 2003 Service Manual page 80

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
6 CHECK HARNESS BETWEEN ECM AND IN-
TAKE AIR TEMPERATURE SENSOR CON-
NECTOR.
Measure resistance of harness between ECM
connector and chassis ground.
Connector & terminal
(B136) No. 13 — Chassis ground:
Does the measured value exceed the specified
value?
7 CHECK POOR CONTACT.
Check poor contact in ECM connector.
Is there poor contact in ECM connector?
Step
EN(H4SOw/oOBD)-78
Value
1 MΩ
There is poor contact.
Yes
Go to step 7. Repair ground
short circuit in har-
ness between
ECM and idle air
control solenoid
valve connector.
Repair poor con- Contact with your
tact in ECM con- Subaru distributor.
nector.
NOTE:
Inspection by your
Subaru distributor
is required,
cause
cause is deteriora-
tion of
parts.
No
be-
probable
multiple