Method for checking vehicle component systems in motor vehicles
First Claim
1. A combination of an on-board diagnostic arrangement for checking component systems of a motor vehicle and an external test apparatus, the combination comprising:
- said arrangement including means for triggering and executing a plurality of test functions during operation of said vehicle to test said component systems for a predetermined testing time duration in accordance with a first set of parameters (a1, . . . an) and in dependence upon predetermined start conditions;
said external test apparatus including means for generating a signal to inhibit the triggering of said test functions;
an interface for coupling said signal into said arrangement to inhibit said test functions;
means for providing a second set of parameters (b1, . . . bn) for executing at least one of said test functions without said predetermined start conditions and in a sequence modified to reduce said predetermined testing time duration; and
,said external test apparatus including means for activating said second set of parameters (b1, . . . bn) via said interface thereby triggering said at least one test function for execution by said arrangement in accordance with said second set of parameters (b1, . . . bn).
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Abstract
An on-board diagnostic arrangement is disclosed for checking component systems of a motor vehicle by test functions which are triggered during operation of the motor vehicle under predetermined start conditions. The test functions are characterized in that at least one signal can be coupled into the arrangement via which the triggering of the test functions by the arrangement is inhibited and in that at least one test function, which is carried out by the arrangement, is triggered independently of the predetermined start conditions and/or can be modified in its sequence. The arrangement makes possible a shortening of the check of component systems at the end of an assembly line or after customer service because satisfying time-consuming start conditions for the normal operation of the test functions can be omitted.
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Citations
6 Claims
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1. A combination of an on-board diagnostic arrangement for checking component systems of a motor vehicle and an external test apparatus, the combination comprising:
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said arrangement including means for triggering and executing a plurality of test functions during operation of said vehicle to test said component systems for a predetermined testing time duration in accordance with a first set of parameters (a1, . . . an) and in dependence upon predetermined start conditions; said external test apparatus including means for generating a signal to inhibit the triggering of said test functions; an interface for coupling said signal into said arrangement to inhibit said test functions; means for providing a second set of parameters (b1, . . . bn) for executing at least one of said test functions without said predetermined start conditions and in a sequence modified to reduce said predetermined testing time duration; and
,said external test apparatus including means for activating said second set of parameters (b1, . . . bn) via said interface thereby triggering said at least one test function for execution by said arrangement in accordance with said second set of parameters (b1, . . . bn). - View Dependent Claims (2, 3, 4, 5, 6)
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Specification