Malfunction Indicator Light - Subaru Legacy 2004 Service Manual

15.Malfunction Indicator Light

A: PROCEDURE
1. Activation of malfunction indicator light. <Ref. to EN(H6DO)(diag)-43, ACTIVATION OF MALFUNCTION INDICATOR LIGHT,
Malfunction Indicator Light.>
2. Malfunction indicator light does not come on. <Ref. to EN(H6DO)(diag)-45, MALFUNCTION INDICATOR LIGHT DOES NOT
COME ON, Malfunction Indicator Light.>
3. Malfunction indicator light does not go off. <Ref. to EN(H6DO)(diag)-47, MALFUNCTION INDICATOR LIGHT DOES NOT GO
OFF., Malfunction Indicator Light.>
4. Malfunction indicator light does not blink. <Ref. to EN(H6DO)(diag)-48, MALFUNCTION INDICATOR LIGHT DOES NOT
BLINK., Malfunction Indicator Light.>
5. Malfunction indicator light keep blinking. <Ref. to EN(H6DO)(diag)-50, MALFUNCTION INDICATOR LIGHT REMAINS BLINK-
ING., Malfunction Indicator Light.>
B: ACTIVATION OF MALFUNCTION
INDICATOR LIGHT
1) When the ignition switch is turned to ON (engine
off), the malfunction indicator light (A) in the combi-
nation meter illuminates.
NOTE:
If the malfunction indicator light does not illuminate,
perform the diagnosis of malfunction indicator light
circuit or the combination meter circuit. <Ref. to
EN(H6DO)(diag)-45, MALFUNCTION INDICATOR
LIGHT DOES NOT COME ON, Malfunction Indica-
tor Light.>
(A)
Malfunction Indicator Light
(
(
(
(
2) After starting the engine, the malfunction indica-
tor light goes out. If it does not, either the engine or
the emission control system is malfunctioning.
3) Turn the ignition switch to OFF and connect the
test mode connector.
EN-01984
EN(H6DO)(diag)-43
(1)
(3)
(4)
(2)
(3)
(4)
(5)
(1) No faulty
(2) Trouble occurs
(3) ON
(4) OFF
(5) Ignition switch ON
(6) Engine start
(1) When the ignition switch is turned to ON
(engine OFF), the malfunction indicator light illu-
minates.
(2) After the engine starts, malfunction indicator
light blinks in a cycle of 0.5 Hz. (During diagno-
sis)
ENGINE (DIAGNOSTICS)
(6)
EN-01679