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.
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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 279 (HVAC SYSTEM)CONTROL SYSTEMEVAPORATOR TEMPERATURE SENSOR INSPECTION
2006 Chevrolet Suburban C1500, 5.3 Z
Evaporator Temperature Sensor Inspection
2006 Chevrolet Suburban C1500, 5.3 ZSECTION Evaporator Temperature Sensor Inspection
WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Inspect the evaporator temperature sensor when it is installed to the A/C unit.
- Set the fan speed MAX HI.
- Set the temperature control at MAX COLD.
- Set the RECIRCULATE mode.
- Turn the A/C switch off.
- Close all doors and windows.
- Wait for 5 min.
- Disconnect the evaporator temperature sensor connector.
- Measure the temperature at the blower inlet.
- Measure the resistance between the evaporator temperature sensor terminals.
- If the resistance is not as shown in the graph, replace the evaporator 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.