Subaru IMPREZA 2002 Service Manual page 470

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
~
X: DTC PO133
-
FRONT OXYGEN (NF) SENSOR CIRCUIT SLOW RESPONSE
-
DTC DETECTING CONDITION:
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(S0HC)-43, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(S0HC)-40, OPERATION, Inspec-
tion Mode.>.
WIRING DIAGRAM:
Two consecutive driving cycles with fault
MAIN RELAY
BATTERY
A:@
EN1 082
EN(S0HC)-146