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.
Passenger Compartment Temperature Sensor (ECC Only)
The passenger compartment temperature sensor is behind the dashboard environment panel on the left-hand side. The climate control module (CCM) (for ECC) receives the value indicating the present passenger compartment temperature from the sensor. There is also a fan on the sensor. The fan supplies the sensor with air from the passenger compartment. This prevents the value from the sensor from being distorted by heat generated by surrounding electronics.
The passenger compartment temperature sensor and fan are directly connected to the climate control module (CCM).
There are diagnostics for the passenger compartment temperature sensor and fan.
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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.