Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2005 Pontiac Aztek Base, FWDFACTORY OEM SERVICE PROCEDURE
Component Resistance
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 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 (TFT) Sensor Specifications . | ||||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.