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.
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
2006 Scion xB L4-1.5L (1NZ-FE)SECTION Testing and Inspection
INSPECTION
1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR
a. Measure the resistance of the sensor.
NOTE: If checking the engine coolant temperature sensor in water, be careful not to allow water to intrude the terminals. After checking, dry the sensor.
If the result is not as specified, replace the engine coolant temperature sensor.
1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR
a. Measure the resistance of the sensor.
NOTE: If checking the engine coolant temperature sensor in water, be careful not to allow water to intrude the terminals. After checking, dry the sensor.
If the result is not as specified, replace the engine coolant temperature sensor.
RENDER: 1.0x
NO RELATED
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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.