Fuel Injector Flow Rate Programming
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Fuel Injector Flow Rate Programming
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Circuit/System Description
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The control functions for the fuel injection system are integrated in the engine control module (ECM). Each injector valve's flow rate information or adjustment values for injection flow and the cylinder position is stored in the ECM memory. The injector flow rate must be reprogrammed if any of the following measures has been performed:
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A fuel injector is replaced
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Injector Flow Rate Programming
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2.
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Record all the injection quantity adjustment codes from the corresponding cylinder from each injector that is being replaced or from all injectors if the ECM was replaced.
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3.
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Note
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Enter the 7 digit injection quantity adjustment code from the injector or injectors that is printed on the top.
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Perform the scan tool Injector Flow Rate Programming and follow the instructions on the screen.
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1.
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Install any components or connectors that have been removed or replaced during diagnosis.
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2.
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Perform any adjustment, programming or setup procedures that are required when a component or module is removed or replaced.
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3.
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Ignition OFF for 60 seconds.
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4.
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Ignition ON, engine OFF.
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6.
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If the repair was related to a DTC, duplicate the Conditions for Running the DTC and use the Freeze Frame/Failure Records, if applicable, in order to verify the DTC does not reset. If the DTC resets or another DTC is present, refer to the
Diagnostic Trouble Code (DTC) List - Vehicle
and perform the appropriate diagnostic procedure.
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