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.
1990 Geo Metro Base, 2D Hatchback, StandardFACTORY OEM SERVICE PROCEDURE
Throttle Position Switch - M/T
THROTTLE POSITION SWITCH RESISTANCE - M/T
| Application Condition | Resistance (Ohms) | ||||||
|---|---|---|---|---|---|---|---|
| Between Terminals A-B (1) | Continuity | ||||||
| Between Terminals B-C (1) | No Continuity | ||||||
| Between Terminals A-C (1) | No Continuity | ||||||
| Between Terminals A-B (2) | No Continuity | ||||||
| Between Terminals B-C (2) | No Continuity | ||||||
| Between Terminals A-C (2) | No Continuity | ||||||
| Between Terminals A-B (3) | No Continuity | ||||||
| Between Terminals B-C (3) | Continuity | ||||||
| Between Terminals A-C (3) | No Continuity | ||||||
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Factory Service Tools
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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.