Nissan Versa

 Sedan Service Manual

Engine » Engine control system (EC) » P0603 ECM power supply
Diagnosis Procedure

1.INSPECTION START

1. Erase DTC.
2. Perform DTC CONFIRMATION PROCEDURE.

Is the 1st trip DTC P0603 displayed again?

YES >> GO TO 2.

NO >> INSPECTION END

2.REPLACE ECM

1. Replace ECM. Refer to EC, "Removal and Installation".
2. Perform EC, "Work Procedure".

>> INSPECTION END

DTC Logic

Diagnosis Procedure