Question
How to diagnose faulty automotive wiring harness temperature sensor?
Answer
Monitor sensor resistance and test for overheating.
Explain
A faulty wiring harness temperature sensor fails to detect overheating. CHEPQ tools measure sensor resistance (decreases with temperature) and test response to heat (>10% resistance change at 60℃), replacing the sensor—preventing wiring harness fires.
Related Diagnostic Guide
To explore this topic in a broader system-level diagnostic context:
Related Guide: Vehicle Power Distribution & Grounding Diagnostics
Recommended Diagnostic Solutions
To apply the diagnostic concepts discussed above in real-world scenarios, explore our full range of professional automotive diagnostic tools. These solutions are designed to support battery testing, system diagnostics, and data analysis for modern vehicles and workshop environments.
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