Patent US3179631A successfully refreshed from Google Patents.
Patent US5757645A successfully refreshed from Google Patents.
US5757645A
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US
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Diagnostic method for motor vehicles for checking electronically controlled systems
Assignee: Bayerische Motoren Werke AG
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Filing: 1995-11-22
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Granted: 1998-05-26
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Expires: 2015-11-22
Abstract
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.
Inventors
- 👤 Josef Schneider
- 👤 Hans Hohenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:12
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/22; G06F11/2273; F; F02; F02B; F02B77/00; F02B77/08; F02B77/083; G01; G01R; G01R31/00; G01R31/005; G01R31/006; G01R31/007; G07; G07C; G07C5/00; G07C5/08; G07C5/0808
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
99 words
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.
Claim 2
Dependent Claim
99 words
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.
Claim 3
Dependent Claim
26 words
Diagnostic method according to claim 1, wherein the step of recording the test steps actually performed includes recording the test steps actually performed in chronological sequence.
Claim 4
Dependent Claim
20 words
Diagnostic method according to claim 1, further comprising comparing the recorded test steps actually performed with the prescribed test steps.
Claim 5
Dependent Claim
31 words
Diagnostic method according to claim 3, further comprising displaying a message indicating that at least one of the prescribed test steps is not included in the recorded test steps actually performed.
Claim 6
Dependent Claim
30 words
Diagnostic method according to claim 4, further comprising displaying another message indicating that the recorded test steps actually performed differ in sequence from a sequence of the prescribed test steps.
Claim 7
Dependent Claim
30 words
Diagnostic method according to claim 3, further comprising storing a message when at least one of the prescribed test steps is not included in the recorded test steps actually performed.
Claim 8
Dependent Claim
29 words
Diagnostic method according to claim 6, further comprising displaying another message when the recorded test steps actually performed differ in sequence from a sequence of the prescribed test steps.
Claim 9
Dependent Claim
28 words
Diagnostic method according to claim 6, further comprising storing the message in a nonvolatile form in the electronic control device of the electronically controlled system to be checked.
Claim 10
Dependent Claim
38 words
Diagnostic method according to claim 1, wherein said at least partially recording test steps comprises storing the test steps actually performed in a nonvolatile form in the electronic control device of the electronically controlled system to be checked.
Claim 11
Dependent Claim
39 words
Diagnostic method according to claim 1, wherein said electronic control device further comprises a prescribed test step memory, the method further comprising at least partially storing said prescribed test steps for diagnosing faults in said prescribed test step memory.
Claim 12
Dependent Claim
100 words
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.
Claim 13
Dependent Claim
100 words
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.
Claim 14
Dependent Claim
39 words
Diagnostic method according to claim 11, wherein said electronic control device further comprises a prescribed test step memory, the method further comprising at least partially storing said prescribed test steps for diagnosing faults in said prescribed test step memory.
References Cited (Backward Citations)
US4271402A
Cited
US4277772A
Cited
US4404639A
Cited
DE3437980A1
Cited
US4831560A
Cited
US4757463A
Cited
US4796206A
Cited
US4837552A
Cited
US5010787A
Cited
US4953277A
Cited
US4977524A
Cited
US5036479A
Cited
US5111402A
Cited
US5396422A
Cited
GB2256505A
Cited
DE4118692A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-05-25 | 2001-11-24 | 2002-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-05-25 | 2005-11-24 | 2006-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-05-25 | 2009-11-24 | 2010-05-26 | $7700.00 | Window Closed / Lapsed |