Ignition "OFF".

Measure resistance between terminal 3 of the ECT sensor harness connector and chassis ground.

Specification : Infinite

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.

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.

Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

Has a problem been found?

YES

▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure .

NO

▶ Go to "Component Inspection" procedure.