Subaru Legacy 2005 Service Manual page 933

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
1 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 connector.
3) Measure the voltage between tumble gen-
erator valve actuator and chassis ground.
Connector & terminal
(E55) No. 1 (+) — Chassis ground (
(E55) No. 2 (+) — Chassis ground (
Check
Is the voltage less than 5 V?
−
):
−
):
EN(H4SO 2.5)(diag)-209
ENGINE (DIAGNOSTICS)
Yes
Replace the tum- Repair the battery
ble generator valve short circuit
actuator. <Ref. to between ECM and
FU(H4SO 2.5)-29, tumble generator
Tumble Generator valve actuator.
Valve Actuator.>
No