Toyota
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

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