Subaru 2009 IMPREZA Service Manual page 1281

ENGINE (DIAGNOSTICS)
B: ACTIVATION OF MALFUNCTION
INDICATOR LIGHT
1) When the ignition switch is turned to ON (engine
OFF), the malfunction indicator light (A) in the com-
bination meter illuminates.
NOTE:
If the malfunction indicator light does not illuminate,
perform diagnostics of the malfunction indicator
light circuit or the combination meter circuit. <Ref.
to EN(H4DOTC)(diag)-61, MALFUNCTION INDI-
CATOR LIGHT DOES NOT COME ON, Malfunc-
tion Indicator Light.>
(A)
2) After starting the engine, the malfunction indica-
tor light goes out. If it does not go off, either the en-
gine or emission control system has malfunction.
(1)
(3)
(4)
(2)
(3)
(4)
(5)
(1) No DTC
(2) Trouble occurs
(3) ON
(4) OFF
(5) Ignition switch ON
(6) Engine start
Malfunction Indicator Light
EN-06144
(6)
EN-01679
EN(H4DOTC)(diag)-60
3) Turn the ignition switch to OFF and connect the
delivery (test) mode connector.
(1) When the ignition switch is turned to ON
(engine OFF), the malfunction indicator light il-
luminates.
(2) After the engine starts, malfunction indicator
light blinks in a cycle of 0.5 Hz. (During diagno-
sis)
(3) Malfunction indicator light blinks at a cycle of
3 Hz after diagnosis if there is no trouble. Mal-
function indicator light illuminates if faulty.
(1)
(2)
(3)
(1) ON
(2) OFF
(3) Ignition switch ON
(4) 1 second
(4)
EN-01681