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DTC P1134: A/F/O2 Sensor Bank1 Sensor1 Serial Peripheral Interface (SPI) Communication: Notes

1. -

DTC detecting condition:

Immediately at fault recognition

NOTE: After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure. Refer to ENGINE (Diagnostics) (H4DOTC)>Basic Diagnostic Procedure>PROCEDURE .

CHECK DTC .
1. Turn the ignition switch to ON.
2. Using the Subaru Select Monitor or a general scan tool, read the DTC of [Engine]. Refer to COMMON (DIAG)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC other than P1134 displayed? (Current malfunction)

Yes : Check the appropriate DTC using the "Diagnostic Trouble Code (DTC)". Refer to ENGINE (Diagnostics) (H4DOTC)>Diagnostic Trouble Code (DTC)>LIST .

No : Replace the ECM. Refer to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>ENGINE CONTROL MODULE (ECM) .