Manual de Fallas Inmobilizador OPEL

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Page 1 of 63 Checking Procedure General Information This Checking Procedure contains the diagnosis of the following electronic system: Immobiliser Vehicle Diagnostic Concept: The main purpose of a vehicle diagnostic concept is locating and eliminating faults in the shortest time possible. Therefore, the following diagnostic strategy has been developed as a guideline that leads technicians straight to the source fault: Starting point is the vehicle that contains a certain number of electronic sy
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  Checking ProcedureGeneral InformationThis Checking Procedure contains the diagnosis of the followingelectronic system:    Immobiliser Vehicle Diagnostic Concept:  The main purpose of a vehicle diagnostic concept is locating and eliminatingfaults in the shortest time possible. Therefore, the following diagnostic strategyhas been developed as a guideline that leads technicians straight to the sourcefault:Starting point is the vehicle that contains a certain number of electronic systems,e.g. engine management system, airbag, and ABS system.Each of these electronic systems consists of so - called functional groups thatare functionally related to each other. A Coolant Temperature Sensor Circuit forexample represents such a functional group.Each of the functional groups consists of several components, such as switches,sensors, wires etc. A Coolant Temperature Sensor Circuit for example is madeup of a sensor, a wiring harness, a control unit, and the software of the controlunit.Based on this structure, the first diagnostic step should be the identification andlocalisation of the defective electronic system, next comes the diagnosis of thecorresponding defective functional group, and finally, locate and repair of thedefective component within that group.The Diagnostic System Check (described in table A, Diagnostic System Check)of this checking procedure follows that diagnostic path. Diagnosis of anelectronic system according to the above described concept always starts withthis Main Check.The instructions described in the Diagnostic System Check section must befollowed closely. Every time a test or test step is passed without fault, theDiagnostic System Check continues with the next step. Some of the testsinclude references to related functional groups (tables B-x). When there is afault, the corresponding functional group tests are performed in order to detectthe defective functional group. When that group has been identified, thetroubleshooting tables (C-x) are used to locate the faulty component. After repairof the fault, the affected functional group (tables B-x) must be rechecked tocontinue after this test at the appropriate position of the Diagnostic SystemCheck (table A).When all test steps of the Diagnostic System Check have been completedsuccessfully, the system is fully operational. Safety Measures Page 1 of 6312/25/2005file://C:\Program%20Files\cosids\DATA\TMP\TmpPrn359232138.HTM  Please take notice of any relevant safety measures for each work operation / step.The safety measures can be found in the following area of TIS 2000:  Service Information  Standard Information  Select: Model  Select: Model year  Select: One or more assembly groups  Application: Warnings, disclaimers, safety Electronic System Specific Information  Trouble Code Features  In a few cases, the diagnostic tester may display a trouble code status ordescription that looks unfamiliar:Trouble Code Status:Instead of the known PRESENT, NOT PRESENT (and INTERMITTENT)message, you may read UNKNOWN DTC in the tester display. This tellsyou that the diagnostic software or control unit contains a piece of incorrectinformation that is unknown to the diagnostic tester and that it is unable toread or evaluate. Both the trouble code number and the trouble code textare not changed in this case.The above mentioned special cases can not be removed by means of adiagnostic tester function.  Datalist Parameter  Depending on the vehicle/system configuration it is possible that somedatalist parameters or test steps, although they are listed in this checkingprocedure, are not shown on the diagnostic tester display. In that case,these datalist parameters are not valid for this vehicle/system configuration.  Immobiliser and Anti-Theft Warning System installedThough there is a programming function Programming Immobiliser Output available, it is necessary to program the immobiliser always as with NoAnti-Theft Warning System . For this particular model, the functionality ofthe immobiliser to send a disarming signal to the anti-theft warning systemhas been omitted. On this basis the immobiliser has to be alwaysprogrammed with ''No Anti-Theft Warning System'. If programming isperformed faulty, PRESENT trouble codes will be set, which can not beerased.The immobiliser should be programmed with No Anti-Theft WarningSystem to erase the trouble codes with status PRESENT. Electronic System Picture InformationBlock Diagram (Model Year '01-'02 ) Page 2 of 6312/25/2005file://C:\Program%20Files\cosids\DATA\TMP\TmpPrn359232138.HTM    Legend Legend15 Ignition ON (terminal 15 ) A4 Control Unit - Multec30 System voltage (terminal 30 ) A17 Control Unit - Immobiliser31 Ground (terminal 31 ) X13 Diagnostic LinkAbbreviations:I = Transponder-Key Control Unit/Component Survey Page 3 of 6312/25/2005file://C:\Program%20Files\cosids\DATA\TMP\TmpPrn359232138.HTM    No. Legend No. Legend1A17 Control Unit -Immobiliser4 Ignition Lock2 Transponder Car Key 5Aerial(integrated component in control unitimmobiliser)3 Transponder Parts Location Page 4 of 6312/25/2005file://C:\Program%20Files\cosids\DATA\TMP\TmpPrn359232138.HTM
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