Transmission Fluid Temperature Sensor Check

Remove the transmission fluid temperature sensor.
Measure the resistance between terminals 1 and 2 of the transmission fluid temperature sensor connector.

Fig 1: Measuring Resistance Between Terminals 1 And 2
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 2: Sensor Standard Value Resistance
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
If the transmission fluid temperature sensor resistance is outside the specified range, replace the transmission fluid temperature sensor.