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Home >> Chevrolet >> 2000 >> Lumina V6-3.1L VIN J >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> 3X Crank Sensor

3X Crank Sensor

Scan Tool Displays 1200 to 10,000 RPM. This signal is calculated from the 7X pulses and is fed to the PCM by the Ignition Control Module. This is used by the PCM to calculate RPM at engine speeds above 1200 RPM and to initiates injector pulses.
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