Diagnostic method for motor vehicles for checking electronically controlled systems
AssigneeBayerische Motoren Werke Aktiengesellschaft
InventorsJosef Schneider, Hans Hohenner
Life of this patent
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Abstract
A diagnostic method for motor vehicles with a diagnostic device for checking electronically controlled systems, in which a fault memory provided in an electronic control device is interrogated and in which test steps to be performed in accordance with the information in the fault memory are prescribed. The test steps performed in response to the prescribed test steps are recorded in the electronic control device.
Claims12
Diagnostic method for motor vehicles, said method using a diagnostic device to check electronically controlled systems and to store prescribed test steps for diagnosing faults, said motor vehicle having an on-board electronic control device with a fault memory and with an actual test step memory, the method comprising the steps of:
- using the diagnostic device to interrogate the fault memory provided in the electronic control device to determine a recorded fault;
- and
- at least partially recording test steps actually performed in accordance with the prescribed test steps which correspond to the recorded fault, in the actual test step memory.
Diagnostic method for motor vehicles, said method using a diagnostic device to check electronically controlled systems and to store prescribed test steps for diagnosing faults, said motor vehicle having a replaceable on-board electronic control device with a fault memory and with an actual test step memory, the method comprising the steps of:
- using the diagnostic device to interrogate the fault memory provided in the electronic control device to determine a recorded fault;
- and
- at least partially recording test steps actually performed in accordance with the prescribed test steps which correspond to the recorded fault, in the actual test step memory.
Dependencies are inferred from the claim text.