System and method for controlling vehicle stop-start function based on measured and predicted cranking voltages and adaptive adjustment of circuit resistance

A vehicle comprising:

• a load;
• a starter motor;
• a starter cable connected to the starter motor;
• a power source electrically coupled to the starter motor and said load;
• a processor;
• and
• memory storing instructions executable by the processor, the instructions, when executed by the processor, cause the processor to:
• determine that an engine of the vehicle has been turned off for a threshold period of time;
• measure, based on the engine being turned off for the threshold period of time, an ambient air temperature of the vehicle;
• determine a first resistance of the starter motor and the starter cable of the vehicle using the ambient air temperature;
• during an engine crank, determine a first voltage of the power source;
• determine a second resistance of the starter motor and the starter cable based at least in part on the first voltage of the power source;
• determine a predicted minimum battery voltage based at least in part on the second resistance of the starter motor and the starter cable;
• and
• responsive to the predicted minimum battery voltage failing to satisfy the threshold, disable a vehicle stop-start function.