Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Impreza 2001-2002.2004-2007 Approved Subaru Impreza 2004 WRX STi 02. ENGINE SECTION (STi) 11. ENGINE (DIAGNOSTICS) 15. Malfunction Indicator Light
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MALFUNCTION INDICATOR LIGHT
ENGINE (DIAGNOSTICS)
15.Malfunction Indicator Light
A: PROCEDURE
1. Activation of check malfunction indicator light.
2. Check that the malfunction indicator light does not come on.
3. Check that the malfunction indicator light does not go off.
4. Check that the malfunction indicator light does not blink at a cycle of 3 Hz.
5. Check that the malfunction indicator light remains blinking at a cycle of 3 Hz.
EN(STi)-45
MALFUNCTION INDICATOR LIGHT
ENGINE (DIAGNOSTICS)
B: ACTIVATION OF MALFUNCTION 3) If the diagnosis system senses a misfire which
INDICATOR LIGHT could damage the catalyzer, the malfunction indi-
cator light will blink at a cycle of 1 Hz.
1) When the ignition switch is turned to ON (engine
off), the malfunction indicator light in the combina-
tion meter illuminates. (1)
NOTE: (2)
If the malfunction indicator light does not illuminate,
(3)
perform diagnostics of the malfunction indicator
light circuit or the combination meter circuit.
EN-01680
(1) ON
(2) OFF
(3) Ignition switch ON
(4) Engine start
(5) Misfire start
(6) 1 second
4) When the ignition switch is turned to ON (engine
EN-01604 off) or to START with the test mode connector con-
nected, the malfunction indicator light blinks at a
2) After starting the engine, the malfunction indica-
cycle of 3 Hz.
tor light goes out. If it does not, either the engine or
the emission control system is malfunctioning.
(1)
(1)
(3) (2)
(4)
(4)
(2)
(3)
(3)
(4)
(5)
EN-01681
(6)
EN-01679
(1) ON
(2) OFF
(1) No trouble
(2) Trouble occurs (3) Ignition switch ON
(3) ON (4) 1 second
(4) OFF
(5) Ignition switch ON
(6) Engine start
EN(STi)-46
MALFUNCTION INDICATOR LIGHT
ENGINE (DIAGNOSTICS)
C: MALFUNCTION INDICATOR LIGHT DOES NOT COME ON.
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