FAULT CODE MEMORY ADMINISTRATOR WITH A DRIVING CYCLE STATE MACHINE CONCEPT
First Claim
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1. A method to operate an electronically controlled internal combustion engine, said engine equipped with an electronic control unit (ECU) having memory resident therein;
- said electronic control unit in electronic communication with sensors to receive data signals indicative of operating information from various vehicle systems during a drive cycle;
receiving data signals from at least one sensor indicative of at least one vehicle system operating condition;
determining whether said data signals are indicative of a vehicle system fault;
logging said fault in memory and activating a warning alert; and
resetting said warning alert upon initiation of a new drive cycle.
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Abstract
A method to operate an electronic controlled diesel engine to provide enhanced fault code administration responsive to the variable driving cycle.
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Citations
6 Claims
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1. A method to operate an electronically controlled internal combustion engine, said engine equipped with an electronic control unit (ECU) having memory resident therein;
- said electronic control unit in electronic communication with sensors to receive data signals indicative of operating information from various vehicle systems during a drive cycle;
receiving data signals from at least one sensor indicative of at least one vehicle system operating condition; determining whether said data signals are indicative of a vehicle system fault; logging said fault in memory and activating a warning alert; and resetting said warning alert upon initiation of a new drive cycle. - View Dependent Claims (2, 3, 4, 5, 6)
- said electronic control unit in electronic communication with sensors to receive data signals indicative of operating information from various vehicle systems during a drive cycle;
Specification