Engine Malfunction Indicator Lamp (Mil) - Subaru 2002 IMPREZA Service Manual

ENGINE MALFUNCTION INDICATOR LAMP (MIL)

ENGINE (DIAGNOSTICS)
11.Engine Malfunction Indicator Lamp (MIL)
A: PROCEDURE
1. Activation of check engine malfunction indicator lamp (MIL). <Ref. to EN(w/oOBD)-32, ACTIVATION OF CHECK ENGINE
MALFUNCTION INDICATOR LAMP (MIL), Engine Malfunction Indicator Lamp (MIL).>
2. Check that engine malfunction indicator lamp (MIL) does not come on. <Ref. to EN(w/oOBD)-34, CHECK ENGINE MAL-
FUNCTION INDICATOR LAMP (MIL) DOES NOT COME ON., Engine Malfunction Indicator Lamp (MIL).>
3. Check that engine malfunction indicator lamp (MIL) does not go off. <Ref. to EN(w/oOBD)-36, CHECK ENGINE MALFUNC-
TION INDICATOR LAMP (MIL) DOES NOT GO OFF., Engine Malfunction Indicator Lamp (MIL).>
4. Check that engine malfunction indicator lamp (MIL) does not blink at a cycle of 3 Hz. <Ref. to EN(w/oOBD)-38, CHECK
ENGINE MALFUNCTION INDICATOR LAMP (MIL) DOES NOT BLINK AT A CYCLE OF 3 HZ., Engine Malfunction Indicator
Lamp (MIL).>
5. Check that engine malfunction indicator lamp (MIL) remains blinking at a cycle of 3 Hz. <Ref. to EN(w/oOBD)-40, CHECK
ENGINE MALFUNCTION INDICATOR LAMP (MIL) REMAINS BLINKING AT A CYCLE OF 3 HZ., Engine Malfunction Indicator
Lamp (MIL).>
B: ACTIVATION OF CHECK ENGINE
MALFUNCTION INDICATOR
LAMP (MIL)
1) When the ignition switch is turned to ON (engine
off), the CHECK ENGINE malfunction indicator
lamp (MIL) in the combination meter illuminates.
NOTE:
If the MIL does not illuminate, perform diagnostics
of the CHECK ENGINE light circuit or the combina-
tion meter circuit. <Ref. to IDI-15, Combination
Meter Assembly.>
↓
↓
↓
↓
2) After starting the engine, the MIL goes out. If it
does not, either the engine or the emission control
system is malfunctioning. <Ref. to EN(w/oOBD)-2,
PROCEDURE, Basic Diagnostic Procedure.>
3) When the ignition switch is turned to ON (engine
off) or to START with the test mode connector con-
nected, the MIL blinks at a cycle of 3 Hz.
EN0774
EN(w/oOBD)-32
OBD0053A
OBD0055A