Coolant Temperature Sensor/Switch (For Computer): Description and Operation
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More supporting gear
Torque wrench
Use the factory procedure with the right tightening tool.
Manual-based work becomes much easier when you can torque correctly.
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Useful for clips, covers, and trim pieces called out by the manual.
Most manual procedures assume you have a good trim removal kit.
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Great for electrical troubleshooting and manual-tested circuits.
Electrical work in manuals often needs a meter more than another wrench.
Shop on Amazon →Sensor--mounted in the engine coolant stream--supplies a varying DC voltage to the ECM representing engine temperature.
- Sensor resistance is high when the engine is cold and low when the engine is warm.
The ECM controls temperature dependent systems accordingly.