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Home >> Mazda >> 2003 >> MPV ES >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1634: Generator Terminal B Circuit Open >> Detection Condition
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Detection Condition

PCM monitors input voltage from generator and battery. DTC is set when engine is running and generator voltage is more than 17 volts and battery voltage is less than 11 volts for 5 seconds.

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