Subaru 2003 LEGACY Service Manual page 36

GLASS/WINDOWS/MIRRORS
C: INSPECTION
Check to ensure that outer mirror moves properly when battery voltage is applied to terminals.
Mirror heater not-equipped model:
Switch position
OFF
UP
DOWN
LEFT
RIGHT
If NG, replace the mirror.
Mirror heater equipped model:
Switch position
OFF
UP
DOWN
LEFT
RIGHT
If NG, replace the mirror.
OUTER MIRROR ASSEMBLY
GW-34
Terminal No.
—
1 (+) and 3 (−)
3 (+) and 1 (−)
2 (+) and 3 (−)
3 (+) and 2 (−)
Terminal No.
—
2 (+) and 4 (−)
4 (+) and 2 (−)
3 (+) and 4 (−)
4 (+) and 3 (−)