Subaru 2002 IMPREZA Service Manual page 860

ENGINE (DIAGNOSTICS)
7. Read Diagnostic Trouble Code (DTC)
A: OPERATION
1. WITH SUBARU SELECT MONITOR
1) On the «Main Menu» display screen, select the {Each System Check} and press [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine Control System} and press [YES]
key.
3) Press the [YES] key after displayed the information of engine type.
4) On the «Engine Diagnosis» display screen, select the {Diagnostic Code(s) Display} and press [YES] key.
5) On the «Diagnostic Code(s) Display» display screen, select the {Current Diagnostic Code(s)} or {History
Diagnostic Code(s)} and press [YES] key.
NOTE:
• For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL.
• For detailed concerning diagnostic trouble codes, refer to the List of Diagnostic Trouble Code (DTC). <Ref.
to EN(w/oOBD)-63, LIST, List of Diagnostic Trouble Code (DTC).>
2. WITHOUT SUBARU SELECT MONITOR
Step
1 CHECK STATUS OF CHECK ENGINE MAL-
FUNCTION INDICATOR LAMP (MIL).
1)Turn the ignition switch to OFF.
2)Connect the read memory connector. <Ref.
to EN(w/oOBD)-10, LOCATION, Electrical
Components Location.>
3)Turn the ignition switch to ON.
2 CHECK DIAGNOSTIC TROUBLE CODE
(DTC).
READ DIAGNOSTIC TROUBLE CODE (DTC)
EN(w/oOBD)-26
Check
Does the MIL come on?
Does the MIL indicate DTC?
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 the DTC. Complete the read
Then turn the igni- DTC. Turn the
tion switch to OFF, ignition switch to
disconnect read OFF and discon-
memory connec- nect read memory
tor. connector.
No