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EC-238 < COMPONENT DIAGNOSIS > [VQ35HR] P0197, P0198 EOT SENSOR Diagnosis Procedure INFOID:0000000003133398 1. CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection M95. Refer to Ground Inspection in Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2. CHECK EOT SENSOR POWER SUPPLY CIRCUIT 1. Disconnect engine oil temperature (EOT) sensor harness connector. 2. Turn ignition switch ON. 3. Check the voltage between EOT sensor harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair open circuit or short to ground or short to power in harness or connectors. 3. CHECK EOT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between EOT sensor harness connector and ECM harness connector. 4. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> GO TO 4. NO >> Repair open circuit or short to ground or short to power in harness or connectors. 4. CHECK ENGINE OIL TEMPERATURE SENSOR EC-238, "Component Inspection" Is the inspection result normal? YES >> GO TO 5. NO >> Replace engine oil temperature sensor. 5. CHECK INTERMITTENT INCIDENT GI-38, "Intermittent Incident" >> INSPECTION END Component Inspection INFOID:0000000003133399 1. CHECK ENGINE OIL TEMPERATURE SENSOR 1. Turn ignition switch OFF. 2. Disconnect engine oil temperature sensor harness connector. 3. Remove engine oil temperature sensor. EOT sensor Ground Voltage (V) Connector Terminal F38 1 Ground Approx. 5 EOT sensor ECM Continuity Connector Terminal Connector Terminal F38 2 F102 84 Existed |