Engine Controls - MIL ON/DTC P0134 Is Set

07-015

July 23, 2011

Applies To: 2005 Civic Si - ALL

MIL Comes On With DTC P0134

(Supersedes 07-015, dated March 9, 2007, to update the information marked by the black bars)





REVISION SUMMARY

SYMPTOM

The MIL comes on with DTC P0134 (air/fuel ratio [A/F] sensor [sensor 1] no activity detected).

PROBABLE CAUSE

The ECM misinterprets inputs as a faulty air/fuel ratio sensor.

CORRECTIVE ACTION

Update the PGM-FI software with the HDS.





WARRANTY CLAIM INFORMATION





SOFTWARE INFORMATION

REPAIR PROCEDURE

1. Update the PGM-FI software with the HDS. Refer to Service Bulletin 01-023, Updating Control Units/ Modules.

2. Do the ECM idle learn procedure:

^ Make sure all electrical items (A/C, audio unit, defogger, lights, etc.) are off.

^ Start the engine, and let it reach normal operating temperature (the cooling fans cycle twice).

^ Let the engine idle (idle stop off and throttle closed) for 10 minutes.





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