Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P0197, P0198 EOT sensor
DTC Logic

DTC DETECTION LOGIC

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0197 EOT SEN/CIRC (Engine oil temperature sensor circuit low input) An excessively low voltage from the engine oil temperature sensor is sent to ECM.
  • Harness or connectors (EOT sensor circuit is open or shorted.)
  • Engine oil temperature sensor
P0198 EOT SEN/CIRC (Engine oil temperature sensor circuit high input) An excessively high voltage from the engine oil temperature sensor is sent to ECM.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

  1. Start engine and wait at least 5 seconds.
  2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES >> Proceed to EC, "Diagnosis Procedure".

NO >> INSPECTION END

    More about «P0197, P0198 EOT sensor»:

    DTC Logic

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