GM Service Manual Online
For 1990-2009 cars only

Component Resistance

Component

Pass Thru Pins

Resistance at 20°C (68°F)

Resistance at 88°C (190°F)

Resistance to Ground (Case)

1-2 Shift Solenoid Valve

A, E

19-24 ohms

24-31 ohms

Greater than 250 K ohms

2-3 Shift Solenoid Valve

B, E

19-24 ohms

24-31 ohms

Greater than 250 K ohms

Torque Converter Clutch Pulse Width Modulation Solenoid Valve

T, E

10-12 ohms

13-15 ohms

Greater than 250 K ohms

Pressure Control Solenoid Valve

C, D

3-5 ohms

5-6 ohms

Greater than 250 K ohms

Automatic Transmission Input Speed Sensor

S, V

820-1020 ohms

1132-1428 ohms

Greater than 250 K ohms

Automatic Transmission Fluid Temperature Sensor

* M, L

3164-3867 ohms

225-285 ohms

Greater than 10 M ohms

Vehicle Speed Sensor

A, B

VSS CONN

1650-2200 ohms

2360-3180 ohms @ 150°C (302°F)

Greater than 10 M ohms

* The resistance of this device changes rapidly with temperature. For other temperatures, refer to Transmission Fluid Temperature Sensor Specifications .