Subaru Legacy 2003 Service Manual page 847

ENGINE (DIAGNOSTICS)
9. Clear Memory Mode
A: OPERATION
1. WITH SUBARU SELECT MONITOR
1) On the «Main Menu» display screen, select the {2. Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine Control System} and press the [YES]
key.
3) Press the [YES] key after displayed the information of engine type.
4) On the «Engine Diagnosis» display screen, select the {Clear Memory} and press the [YES] key.
5) When the `Done' and `Turn Ignition Switch OFF' are shown on the display screen, turn the Subaru Select
Monitor and ignition switch to OFF.
NOTE:
• After the memory has been cleared, the ISC must be initialized. To do this, turn the ignition switch to the
ON position. Wait 3 seconds before starting the engine.
• For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL.
2. WITHOUT SUBARU SELECT MONITOR
1 CHECK STATUS OF CHECK ENGINE MAL-
FUNCTION INDICATOR LAMP (MIL).
1) Turn ignition switch to OFF.
2) Set shift lever to neutral position (MT vehi-
cles), or set selector lever to "P" position
(AT vehicles).
3) Connect test mode connector and read
memory connector.
4) Turn ignition switch to ON.
Does the MIL come on?
2 CHECK DIAGNOSTIC TROUBLE CODE
(DTC).
1) Set selector lever to "N" position, and then
set selector lever to "P" position again (AT
vehicles only).
2) Start the engine.
3) Drive vehicle at speed greater than 11 km/h
(7 MPH) for at least one minute.
4) Warm-up engine above 2,000 rpm.
Does the MIL indicate diagnostic trouble
code (DTC)? <Ref. to EN(H4SOw/oOBD)-
57, LIST, List of Diagnostic Trouble Code
(DTC).>
CLEAR MEMORY MODE
Step
EN(H4SOw/oOBD)-28
Value
Mil illuminates.
DTC is indicated.
Yes
Go to step 2. Check the follow-
ing and repair if
necessary.
NOTE:
• Open or short
circuit in engine
control module
power supply or
ground line
• Open or short
circuit in CHECK
ENGINE malfunc-
tion indicator lamp
Record diagnostic Turn ignition
trouble code. switch to OFF.
Repair the trouble Disconnect read
cause. <Ref. to memory connec-
EN(H4SOw/ tor and test mode
oOBD)-59, Diag- connector. Com-
nostic Procedure plete clear mem-
with Diagnostic ory mode.
Trouble Code
(DTC).>
No