Subaru Legacy 2003 Service Manual page 2021

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
AR:DTC P1111 — ATMOSPHERIC PRESSURE SENSOR CIRCUIT MALFUNC-
TION (HIGH INPUT) —
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4DOSTC)-35,
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOSTC)-33, Inspection
Mode.> .
1 CHECK ANY OTHER DTC ON DISPLAY.
Does the Subaru Select Monitor indicate DTC
P1111?
Step
EN(H4DOSTC)-182
Value
DTC P1111 indicated.
Yes
Replace the ECM. It is not necessary
<Ref. to to inspect DTC
FU(H4DOSTC)- P1111.
40, Engine Con-
trol Module.>
NOTE:
Atmospheric pres-
sure sensor is built
into ECM.
No