Coolant Temperature Sensor Test

WARNING: This page is about a different car, the 1990 Toyota Land Cruiser and 1989 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Ensure ignition is off. Unplug connector from sensor. For sensor location, See Fig 1.
Using ohmmeter, check resistance between sensor terminals. Replace sensor if resistance is not within specification at specified temperature. See Fig 2.

Fig 1: Component Locations

Fig 2: Coolant Temperature Sensor Specifications