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Home >> Mazda >> 2003 >> Protege5 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0850: Neutral Switch Input Circuit Malfunction >> Detection Condition

Detection Condition

DTC is set when PCM has not received a voltage change from neutral switch when gears are shifted more than 14 times and vehicle speed is more than 18.6 MPH. PCM determines that neutral switch circuit has a malfunction. This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction condition in 2 consecutive drive cycles. Pending code is available if PCM detects malfunction condition during first drive cycle. Freeze Frame Data is available and DTC is stored in PCM memory.