Subaru Impreza 2003 Service Manual page 646

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
BU:DTC P1110 — ATMOSPHERIC PRESSURE SENSOR CIRCUIT MALFUNC-
TION (LOW INPUT) —
• DTC DETECTING CONDITION:
• Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4SO)-46, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)-39, OPERATION, Inspec-
tion Mode.>.
Step
1 CHECK ANY OTHER DTC ON DISPLAY.
Check
Is any other DTC displayed?
EN(H4SO)-234
Yes
Check DTC using Replace the ECM.
the List of Diag- <Ref. to
nostic Trouble FU(H4SO)-48,
Code (DTC). <Ref. Engine Control
to EN(H4SO)-73, Module (ECM).>
List of Diagnostic
Trouble Code
(DTC).>
NOTE:
It is not necessary
to inspect DTC
P0129.
No