Subaru 2009 IMPREZA Service Manual page 979

FUEL INJECTION (FUEL SYSTEMS)
2) Connect terminal No. 3 to the battery positive
terminal and the No. 4 terminal to the battery
ground terminal, and measure the resistance be-
tween the main relay terminals.
(1)
(2)
(2)
(3)
(3)
(4)
Terminal No.
1 and 2
Main Relay
(1)
(4)
1
2
3 4
FU-04077
Standard
Less than 1
FU(H4DOTC)-54