Subaru 2002 IMPREZA Service Manual page 1448

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
CF:DTC P1110 — ATMOSPHERIC PRESSURE SENSOR CIRCUIT LOW INPUT —
• DTC DETECTING CONDITION:
• Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(TURBO)-45, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(TURBO)-42, Inspection Mode.> .
Step
1 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODE (DTC) ON DISPLAY.
CG:DTC P1111 — ATMOSPHERIC PRESSURE SENSOR CIRCUIT HIGH INPUT
—
• DTC DETECTING CONDITION:
• Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(TURBO)-45, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(TURBO)-42, Inspection Mode.> .
Step
1 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODE (DTC) ON DISPLAY.
Check
Does the Subaru Select Moni-
tor or OBD-II general scan tool
indicate DTC P1110?
Check
Does the Subaru Select Moni-
tor or OBD-II general scan tool
indicate DTC P1111?
EN(TURBO)-288
Yes
Replace the ECM. It is not necessary
<Ref. to to inspect DTC
FU(TURBO)-49, P1110.
Engine Control
Module.>
NOTE:
Atmospheric pres-
sure sensor is built
into ECM.
Yes
Replace the ECM. It is not necessary
<Ref. to to inspect DTC
FU(TURBO)-49, P1111.
Engine Control
Module.>
NOTE:
Atmospheric pres-
sure sensor is built
into ECM.
No
No