Method for detecting malfunction of a cooling system based on detected coolant temperature
First Claim
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1. A method for detecting a malfunction of a cooling system of an internal combustion engine, comprising:
- detecting a coolant temperature on the engine side of the thermostat;
detecting an engine operation condition;
detecting an ambient temperature outside a vehicle; and
detecting a malfunction of the thermostat after a cold start of the engine based on the coolant temperature, the engine operation condition, and the ambient temperature.
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Abstract
A method for detecting a malfunction of a cooling system of an internal combustion engine, comprising: detecting a coolant temperature on a side of the engine; determining a malfunction of the cooling system with the coolant temperature and the value only after a cold start of the engine.
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Citations
2 Claims
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1. A method for detecting a malfunction of a cooling system of an internal combustion engine, comprising:
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detecting a coolant temperature on the engine side of the thermostat; detecting an engine operation condition; detecting an ambient temperature outside a vehicle; and detecting a malfunction of the thermostat after a cold start of the engine based on the coolant temperature, the engine operation condition, and the ambient temperature. - View Dependent Claims (2)
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Specification