Engine Control System

EGR System Circuit Diagram:

Trouble Code 51 Flow Chart:

Faulty EGR system.

NOTE: Upon completion of inspection and repair work, perform FINAL CHECK to confirm that the trouble has been corrected.

Final Check Procedure Flow Chart:

Final Driving Test For Codes Other Than No. 24:

FINAL CHECK
Upon completion of inspection and repair work related to the above diagnostic trouble code, perform the final check as described in the above images.

WARNING:
- When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.

- Road test should be carried out with 2 persons, a driver and a tester, on a level road.