Malfunction Indicator Light - Subaru Forester 2004 Service Manual

15.Malfunction Indicator Light

A: PROCEDURE
1. Activation of malfunction indicator light. <Ref. to EN(H4DOTC 2.5)-45, ACTIVATION OF MALFUNCTION INDICATOR LIGHT,
Malfunction Indicator Light.>
2. Check that the malfunction indicator light does not come on. <Ref. to EN(H4DOTC 2.5)-47, MALFUNCTION INDICATOR
LIGHT DOES NOT COME ON, Malfunction Indicator Light.>
3. Check that the malfunction indicator light does not go off. <Ref. to EN(H4DOTC 2.5)-49, MALFUNCTION INDICATOR LIGHT
DOES NOT GO OFF, Malfunction Indicator Light.>
4. Malfunction indicator light does not blink at a cycle of 3 Hz. <Ref. to EN(H4DOTC 2.5)-50, MALFUNCTION INDICATOR LIGHT
DOES NOT BLINK AT A CYCLE OF 3 HZ, Malfunction Indicator Light.>
5. Malfunction indicator light remains blinking at a cycle of 3 Hz. <Ref. to EN(H4DOTC 2.5)-52, MALFUNCTION INDICATOR
LIGHT REMAINS BLINKING AT A CYCLE OF 3 HZ, Malfunction Indicator Light.>
B: ACTIVATION OF MALFUNCTION
INDICATOR LIGHT
1) When the ignition switch is turned to ON (engine
off), the malfunction indicator light in the combina-
tion 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(H4DOTC 2.5)-47, MALFUNCTION INDICA-
TOR LIGHT DOES NOT COME ON, Malfunction
Indicator Light.>
(A) Malfunction indicator light
Malfunction Indicator Light
↓
↓
↓
↓
(A)
EN-00335
EN(H4DOTC 2.5)-45
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.
(1)
(3)
(4)
(2)
(3)
(4)
(5)
(1) No faulty
(2) Trouble occurs
(3) ON
(4) OFF
(5) Ignition switch ON
(6) Engine start
ENGINE (DIAGNOSTIC)
(6)
EN-01679