DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC Detecting Condition

Possible Cause

P0197

EOT SEN/CIRC

(Engine oil temperature sensor circuit low input)

An excessively low voltage from the sensor is sent to ECM.

• Harness or connectors

  (The engine oil temperature 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 sensor is sent to ECM.