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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (HVAC System (Heater, Ventilator And A/C)) >> Ambient Sensor (Auto A/C Model) >> Inspection >> Unit Inspection

Unit Inspection

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Preparation tool: Circuit tester 

  1. Visually check the ambient sensor for dirt or damage, and clean or replace as necessary.
  2. Check the resistance between ambient sensor terminals.
    CAUTION: During inspection, be careful not to touch the sensor end in order to avoid misjudgment due to body temperature. 
    Fig 1: Checking Resistance Between Ambient Sensor Terminals And Graph
    G00522831Courtesy of SUBARU OF AMERICA, INC.
  3. Replace the ambient sensor if the inspection result is not within the standard value.

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