Impreza Sedan AWD F4-1820cc 1.8L SOHC (1993)
Check ATF Temperature Sensor
1.
Unplug connector from transmission.
2.
Measure resistance between TCM connector receptacle terminals.
Connector & Terminal
Resistance
(T4) 5 - 12
2.1 - 2.9 K ohms (ATF temp. 68°F (20°C)
3.
Connect connector to transmission and warm up engine to increase ATF temperature.
4.
Stop engine and unplug connector from transmission.
5.
Measure resistance between transmission connector receptacle terminals.
Connector & Terminal
Resistance
(T4) 5 - 12
275 - 375 ohms (ATF temp. 176°F (80°C)