Subaru IMPREZA 2002 Service Manual page 590

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
~~
BT: DTC P I 137
-
FRONT OXYGEN (NF) SENSOR CIRCUIT RANGE/PERFOR-
MANCE PROBLEM
-
DTC DETECTING CONDITION:
Immediately at fault recognition
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:
IAIN RELAY BATrERY
E t -
EN1082
EN(S0HC)-266