Subaru 2004 LEGACY Service Manual page 141

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step
1 CHECK OPERATION OF STARTER MOTOR.
Turn the ignition switch to ON.
NOTE:
Place the inhibitor switch in each position.
Check
Does the starter motor oper-
ate?
EN(H6DO)(diag)-210
Yes
Repair the battery Check starter
short circuit in motor circuit.
starter motor cir- <Ref. to
cuit. EN(H6DO)(diag)-
53, STARTER
MOTOR CIR-
CUIT, Diagnostics
for Engine Start-
ing Failure.>
No