Check ATF Temperature Sensor

CHECK: Does the AT OIL TEMP warning light remain on 2 seconds after the engine has been started? 

1. YES:  Go to step 9F2. 
2. NO:  Check ATF temperature sensor and combination meter circuit.

1. Read data of ATF temperature using Subaru Select Monitor.
   • ATF temperature is indicated in "°F" or "°C".
2. Warm-up the transmission until ATF temperature is above 80°C (176°F).
   NOTE: If ambient temperature is below 0°C (32°F), drive the vehicle until the ATF reaches its operating temperature.
3. Turn ignition switch to ON (engine OFF).

CHECK: Does the ATF temperature change from 176°F (80°C)? 

1. YES:  Go to step throttle position sensor, see CHECK THROTTLE POSITION SENSOR  .
2. NO:  Check ATF temperature sensor circuit, see DTC 27: ATF TEMPERATURE SENSOR  .