GM Service Manual Online
For 1990-2009 cars only

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 Ω

24-31 Ω

Greater than 250 K Ω

2-3 Shift Solenoid Valve

B, E

19-24 Ω

24-31 Ω

Greater than 250 K Ω

Torque Converter Clutch Pulse Width Modulation Solenoid Valve

T, E

10-12 Ω

13-15 Ω

Greater than 250 K Ω

Pressure Control Solenoid Valve

C, D

3-5 Ω

5-6 Ω

Greater than 250 K Ω

Automatic Transmission Input Speed Sensor

S, V

820-1020 Ω

1132-1428 Ω

Greater than 250 K Ω

Automatic Transmission Fluid Temperature Sensor

* M, L

3164-3867 Ω

225-285 Ω

Greater than 10 M Ω

Vehicle Speed Sensor

A, B

VSS CONN

1650-2200 Ω

2360-3180 Ω @ 150°C (302°F)

Greater than 10 M Ω

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