Subaru 2002 Impreza - Page 318

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DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
C:
DTC PO037 - REAR OXYGEN SENSOR HEATER CIRCUIT MALFUNCTION
DTC DETECTING CONDITION:
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(D0HC TURBO)-
49, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(D0HC TURBO)-46, Inspec-
tion Mode.>.
WIRING DIAGRAM:
Two consecutive driving cycles with fault
MAIN RELAY
-
1
BATTERY
-
EN1 144
EN(D0HC TURBO)-94