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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 105 (1.6L Engine - DTCS B2277 To P0131, Diagnostic Code Index, Pre-Diagnostic Troubleshooting Procedure & Intermittent Condition) >> Diagnosis And Testing >> P0030-1/1 O2 Sensor Heater Circuit Open >> 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
GC0041784Courtesy of DAIMLERCHRYSLER CORP.
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