W/Harness Inspection

Engine Control
P0197 Engine Oil Temp. Sensor Low Input - W/Harness Inspection

Signal Circuit Inspection

1. Ignition "OFF"
2. Disconnect OTS connector.
3. Measure resistance between terminal 2 of the sensor harness connector and chassis ground.
Specification : Infinite




4. Is resistance within the specification?
YES
> Go to "Terminal and Connector Inspection" procedure.
NO
> Repair short to ground in harness and go to "Verification of Vehicle Repair" procedure.

Terminal and Connector Inspection

1. Many malfunctions in the electrical system are caused by poor harness(es) and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3. Has a problem been found?
YES
> Repair as necessary and go to "Verification of Vehicle Repair" procedure
NO
> Go to "Component Inspection" procedure