CHECK INPUT SIGNAL FOR TCM USING SUBARU SELECT MONITOR.

1) Connect the connector to transmission.

2) Connect the Subaru Select Monitor to the data link connector.

3) Turn the ignition switch to ON.

4) Read the data of “ATF temperature” using Subaru Select Monitor.

QUESTION
Does the ATF temperature gradually decrease?
Yes	No
The circuit is normal. If the ATF temperature warning light is flashing, repair the harness or connector between the ATF temperature sensor and transmission.