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DTC P1320 - IGNITION CONTROL (IC) MODULE 4X REFERENCE CIRCUIT INTERMITTENT NO PULSE Oldsmobile Aurora I

Testing & Diagnostics

Note. For circuit reference, see DTC P0300 schematic.

Circuit Description

IC module creates a 4X signal and a 24X signal that is used by the PCM for ignition and fuel control. If PCM does not receive 4X reference pulses from the IC module for greater than .4 second while engine is running, DTC will set.