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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Engine Controls [Self-Diagnostics 3.0L]) >> Diagnostic Tests >> DTC P0058: Left Rear Ho2S Heater Circuit - High Input >> Detection Condition

Detection Condition

WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

PCM monitors left rear HO2S heater control signal at PCM 104-pin harness connector terminal No. 96. If PCM turns left rear HO2S heater on but left rear heater circuit has high voltage, PCM determines left rear HO2S heater circuit has a malfunction. This is a Continuous Monitor (HO2S heater). MIL illuminates if PCM detects malfunction condition in two consecutive drive cycles or in one drive cycle while DTC for same malfunction has been stored in PCM. PENDING CODE is available if PCM detects malfunction condition during first drive cycle. FREEZE FRAME DATA is available. DTC is stored in PCM memory.

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