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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (2.4L Engine - DTCS P0016 To P0125, Diagnostic Code Index, Pre-Diagnostic Troubleshooting Procedure & Intermittent Condition) >> Diagnosis And Testing >> P0031-O2 Sensor 1/1 Heater Circuit Low >> Circuit Schematic

Circuit Schematic

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: O2 Sensors Circuit Schematic
GC0041519Courtesy of DAIMLERCHRYSLER CORP.
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