GM Service Manual Online
For 1990-2009 cars only

Component Resistance

Component

Pass/Thru Pins

Resistance at 20°C (68°F)

Resistance at 100°C (212°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

TCC Solenoid Valve

T, E

21-26 Ω

26-33 Ω

Greater than 250 K Ω

TCC PWM Solenoid Valve

U, E

10-11 Ω

13-15 Ω

Greater than 250 K Ω

3-2 Shift Solenoid Valve

S, E

20-24 Ω

29-32 Ω

Greater than 250 K Ω

Pressure Control Solenoid Valve

C, D

3-5 Ω

4-7 Ω

Greater than 250 K Ω

*Transmission Fluid Temperature (TFT) Sensor

M, L

3088-3942 Ω

159.3-198.0 Ω

Greater than 10 M Ω

Output Speed Sensor

A, B OSS CONN

1420 Ω @ 25°C

2140 Ω @ 150°C

Greater than 10 M Ω

*Important: The resistance of this device is necessarily temperature dependent and will therefore vary far more than any other device. Refer to Transmission Fluid Temperature Sensor Specifications.

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