Subaru 2002 IMPREZA Service Manual page 515

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Check Step
CHECK HARNESS BETWEEN ECM AND
TUMBLE GENERATOR VALVE ACTUATOR
CONNECTOR.
1)Turn the ignition switch to OFF.
2)Disconnect the connector from tumble gen-
erator valve and ECM connector.
3)Measure the resistance between tumble
generator valve actuator and ECM connector.
Connector & terminal
(E55) NO. 1
-
(B84) N0.4:
(E55) NO. 2
-
(B84) NO.5:
Yes No
!
CHECK POOR CONTACT.
Check poor contact in tumble generator valve
actuator connector.
s the resistance less than 1 Q?
I
Go to step 2.
s
there poor contact in tumble rlepair poor con-
jenerator valve actuator con- tact in tumble gen-
lector. erator valve
actuator connec-
tor.
Repair open circuit
between ECM and
tumble generator
valve connector.
NOTE:
In this case, repaii
the following:
Open circuit in
harness between
ECM and tumble
generator valve
actuator connec-
tor.
Poor contact in
coupling connec-
tor.
Replace the tum-
ble generator valve
assembly. <Ref. to
FU(D0HC
TURBO)-40, Tum-
ble Generator
Valve Assembly.>
EN(D0HC TURBO)-291