Subaru LEGACY 2006 Manual page 955

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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 engine malfunction indicator light does not il-
luminate, perform diagnostics of malfunction indi-
cator light circuit or the combination meter circuit.
<Ref. to EN(H4SO U5)(diag)-51, MALFUNCTION
INDICATOR LIGHT DOES NOT COME ON, Mal-
function Indicator Light.>
CHECK
ENGINE
(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 faulty
(2) Trouble occurs
(3) ON
(4) OFF
(5) Ignition switch ON
(6) Engine start
Malfunction Indicator Light
3) Malfunction indicator light blinks at a cycle of 1
Hz when the diagnosis system detects the misfire
which might damage the catalyst.
4) Turn the ignition switch to OFF and connect the
EN-03112
test mode connector.
(6)
EN-01679
EN(H4SO U5)(diag)-50
(1)
(2)
(3)
(4)
(5)
(1) ON
(2) OFF
(3) Ignition switch ON
(4) Engine start
(5) Misfire occurs
(6) 1 second
(1) When the ignition switch is turned to ON (en-
gine OFF), the malfunction indicator light illumi-
nates.
(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)
(4)
(3)
(1) ON
(2) OFF
(3) Ignition switch ON
(4) 1 second
(6)
EN-01680
EN-01681