Subaru FORESTER 2001 Service Manual page 287

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (Diagnostics)
BX: DTC P1110 — ATMOSPHERIC PRESSURE SENSOR CIRCUIT LOW
INPUT —
S088521B84
¼ DTC DETECTING CONDITION:
¼ Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(DOHC TURBO)-
47, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(DOHC TURBO)-44, Inspec-
tion Mode.>.
No.
1 CHECK ANY OTHER DTC ON DISPLAY.
BY: DTC P1111 — ATMOSPHERIC PRESSURE SENSOR CIRCUIT HIGH
INPUT —
S088521B85
¼ DTC DETECTING CONDITION:
¼ Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(DOHC TURBO)-
47, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(DOHC TURBO)-44, Inspec-
tion Mode.>.
No.
1 CHECK ANY OTHER DTC ON DISPLAY.
Step
Does the Subaru Select
Monitor or OBD-II general
scan tool indicate DTC
P1110?
Step
Does the Subaru Select
Monitor or OBD-II general
scan tool indicate DTC
P1111?
EN(DOHC TURBO)-286
Check Yes
Replace ECM.
<Ref. to
FU(DOHC
TURBO)-47,
Engine Control
Module.>
NOTE:
Atmospheric pres-
sure sensor is
built into ECM.
Check Yes
Replace ECM.
<Ref. to
FU(DOHC
TURBO)-47,
Engine Control
Module.>
NOTE:
Atmospheric pres-
sure sensor is
built into ECM.
No
It is not necessary
to inspect DTC
P1110.
No
It is not necessary
to inspect DTC
P1111.