Engine Control - Momentary Engine Stall Between Shifts

07-017

October 11, 2011

Applies To:
2004 Civic Hybrid M/T - From VIN JHMES95..4S022725 thru JHMES95..4S022823

2005 Civic Hybrid M/T - ALL

ECM Update to Prevent Momentary Engine Stall During Gear Shifts

(Supersedes 07-017, dated March 9, 2007, to update the information marked by asterisks)

REVISION SUMMARY

*Under WARRANTY CLAIM INFORMATION, the flat rate time was changed.*

SYMPTOM

The engine may stall momentarily when shifting gears and then it restarts with the IMA (integrated motor assist) motor. This symptom is most noticeable if you are watching the tachometer. Very little, if any, change in driveablity occurs.

PROBABLE CAUSE

The ECM misinterprets inputs and momentarily allows the engine to stall.

CORRECTIVE ACTION

Update the PGM-FI software with the HDS.





SOFTWARE INFORMATION

WARRANTY CLAIM INFORMATION

The normal warranty applies:

Operation Number: 125517

*Flat Rate Time: 0.3 hour*

Failed Part: P/N 37820-PZA-A14

Defect Code: 03214

Symptom Code: 09304

Skill Level: Repair Technician

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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