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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 757 (On-Board Diagnostic [Engine Control System]) >> DTC P0043: Rear Ho2S Heater Circuit Low Input >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: DTC P0043: Diagnostic Procedure Chart (Steps 1 & 2)
G00974422Courtesy of MAZDA MOTORS CORP.
Fig 2: DTC P0043: Diagnostic Procedure Chart (Steps 3-8)
G00974423Courtesy of MAZDA MOTORS CORP.
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