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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Engine Controls [Self-Diagnostics 2.3L]) >> Diagnostic Tests >> DTC P2128: Accelerator Pedal Position Sensor No. 2 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.

The PCM monitors Accelerator Pedal Position (APP) sensor No. 2 signal at PCM 30-pin harness connector terminal "2A" (Blue/Yellow wire). If PCM detected APP sensor No. 2 voltage reading is 4.5 volts, PCM determines APP sensor No. 2 circuit has malfunction. This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction condition during first drive cycle. PENDING CODE is available if PCM detects malfunction condition. FREEZE FRAME DATA is available. DTC is stored in PCM memory.

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