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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1140 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> Air Temperature Malfunction >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Test the appropriate air temperature sensor by varying the sensor temperature in water while monitoring the sensor resistance.
  2. Compare the readings with the Temperature vs Resistance table and verify that the resistance is within 5 percent of the specification.
    • If not within the specified range, replace the sensor.
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