Subaru IMPREZA 2004 Service Manual page 155

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
BU:DTC P1110 ATMOSPHERIC PRESSURE SENSOR CIRCUIT MALFUNCTION
(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)(diag)-47,
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)(diag)-40, OPERATION,
Inspection Mode.>.
Step
1 CHECK ANY OTHER DTC ON DISPLAY.
BV:DTC P1111 ATMOSPHERIC PRESSURE SENSOR CIRCUIT MALFUNCTION
(HIGH INPUT)
• DTC DETECTING CONDITION:
• Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4SO)(diag)-47,
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)(diag)-40, OPERATION,
Inspection Mode.>.
Step
1 CHECK ANY OTHER DTC ON DISPLAY.
Check
Is any other DTC displayed?
Check
Is any other DTC displayed?
EN(H4SO)(diag)-232
Yes
Check DTC using Replace the ECM.
the List of Diag- <Ref. to
nostic Trouble FU(H4SO)-47,
Code (DTC). <Ref. Engine Control
to Module (ECM).>
EN(H4SO)(diag)-
74, List of Diag-
nostic Trouble
Code (DTC).>
NOTE:
It is not necessary
to inspect DTC
P1110.
Yes
Check DTC using Replace the ECM.
the List of Diag- <Ref. to
nostic Trouble FU(H4SO)-47,
Code (DTC). <Ref. Engine Control
to Module (ECM).>
EN(H4SO)(diag)-
74, List of Diag-
nostic Trouble
Code (DTC).>
NOTE:
It is not necessary
to inspect DTC
P1111.
No
No