Automatic Transmission Fluid Temperature Switch Check

AUTOMATIC TRANSMISSION FLUID TEMPERATURE SWITCH CHECK
1. Remove the automatic transmission fluid temperature switch from the automatic transmission.

Caution:
Use care to prevent foreign materials from entering the automatic transmission fluid temperature switch mounting hole.





2. Immerse the automatic transmission fluid temperature switch in fluid up to the threaded portion as shown in the illustration.





3. Use a circuit tester or similar tool to check the continuity when oil temperature is changed.
The switch can be judged to be good if the conditions are within the ranges shown in image.





4. Apply a small amount of recommended sealant to the thread of the automatic transmission fluid temperature switch.

Specified sealant: 3M ATD Part No. 8660 or equivalent

5. Install the automatic transmission fluid temperature switch.
6. Check the quantity of automatic transmission fluid.