Methods and systems for a four wheel drive vehicle driveline
First Claim
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1. A method of adjusting operation of a hybrid vehicle, comprising:
- automatically restarting an engine in response to release of a vehicle brake while the hybrid vehicle is operating in a four wheel drive low gear range; and
stopping engine rotation in response to a vehicle battery reaching a first threshold state of charge based on operating the hybrid vehicle in the four wheel drive low gear range.
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Abstract
Systems and methods for improving operation of a hybrid vehicle are presented. In one example, driveline operation may be adjusted in response to operating the hybrid vehicle in a four wheel drivel low gear range. The approaches may improve vehicle drivability and reduce driveline degradation.
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Citations
6 Claims
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1. A method of adjusting operation of a hybrid vehicle, comprising:
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automatically restarting an engine in response to release of a vehicle brake while the hybrid vehicle is operating in a four wheel drive low gear range; and stopping engine rotation in response to a vehicle battery reaching a first threshold state of charge based on operating the hybrid vehicle in the four wheel drive low gear range. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification