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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> DTC B0160 or B0161 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Test the ambient temperature sensor by observing the temperature sensor while also monitoring the sensor resistance.
  2. Compare the readings with the temperature versus resistance table, verify that the resistance is within 5 percent of the specification.
    • If the resistance versus temperature reading is not within the specified range, replace the ambient air temperature sensor.