Mahindra SCORPIO Vlx Bedienungsanleitung
©2009Mahindra&MahindraLtd.Allrightsreserved.Thisbookmaynotbereproducedorcopied,inwholeorinpart,without
thewrittenpermissionofMahindra&MahindraLtd.
DIAGNOSTICMANUAL(IMMOBILIZER)
www.teknetmahindra.com
RELEASED BY -
TECHNICAL PUBLICATION CELL
MAHINDRA & MAHINDRA LTD.
Rev1 – MARCH 2009
All information contained in this manual is most up-to-date at the time of publication. However, specifications and procedures
are subject to change without notice. This manual is strictly meant for restricted internal circulation within M&M Authorized
dealer service centers.
MAN-00056
Vlx/Sle/Lx
©2009Mahindra&MahindraLtd.Allrightsreserved.Thisbookmaynotbereproducedorcopied,inwholeorinpart,without
thewrittenpermissionofMahindra&MahindraLtd.
ABOUT THE IMMOBILIZER DIAGNOSTIC MANUAL
The immobilizer diagnostic manual outlines the detailed procedures to troubleshoot complaints related to
the engine immobilizer system fitted on Mahindra Scorpio Vlx/Sle/Lx (Refresh) vehicles. Since the
engine immobilizer system is related to vehicle security, only authorized persons (CoTEKs) can work on the
immobilizer system in conjunction with M&M TEKline.
This manual covers –
•Procedures to be followed while reassigning old keys or assigning new keys to a vehicle.
•Procedures to be followed while replacing Engine Management System (EMS) ECU or Immobilizer
ECU (ICU).
•Retrieving DTCs from ECU and/or ICU, analyzing the complaint and taking corrective action.
In spite of our best efforts to make the manual error-free, a few errors could have inadvertently crept in. If
Suggestions to improve the manual and make it more user-friendly are also welcome.
Diagnostic Manual(Immobilizer) MAN-00056-1
Scorpio Vlx/Sle/Lx
(Refresh)
Mar 2009/Rev 1
All copyrights reserved by
The repair methods given by the manufacturer in this document are based on the technical specifications current at the time of release. The methods may be modified as a result of changes introduced
by the manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part or whole of the
present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd.
Contents
oHow to use this manual
oOverview of in-vehicle communication network
oRecommended troubleshooting process
oWarranty/Other information
oKey Assignment guideline
oKey Assignment process.
oEMS ECU replacement
oImmobilizer ECU replacement
oEMS and Immobilizer ECU replacement - Both keys available
oList of Unavailable Services
oIndex of DTC codes
oWiring Diagram
Diagnostic Manual(Immobilizer) MAN-00056-2
Scorpio Vlx/Sle/Lx
(Refresh)
Mar 2009/Rev 1
All copyrights reserved by
The repair methods given by the manufacturer in this document are based on the technical specifications current at the time of release. The methods may be modified as a result of changes introduced
by the manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part or whole of the
present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd.
How to Use this manual
.
The manual is divided in to 2 parts. The first part outlines the procedure to be followed
when any of the components, viz Keys, EMS ECU or Immobilizer ECU (ICU), needs to be
replaced. The second part outlines the trouble shooting process.
If the DTC code is known, then go to the Index of DTC code, and click on the DTC. The
codes are hyperlinked and the respective page containing the trouble shooting procedure
for that DTC will be displayed.
The following is the structure of the Diagnostic Manual (Trouble shooting process) –
•Brief description about the sensor/Actuator and its functions
•Possible defect codes related to that sensor/actuator
•Normal/Abnormal operating conditions of the sensor/actuator, possible causes and
vehicle/engine reactions
•Related circuit diagram, connectors and wiring plans
•Trouble shooting process
The DTCs for Immobilser are generated at the ICU as well as at the Engine EMS ECU.
Hence it is essential that after looking at the DTC at ICU , the DTC at the EMS ECU
should also be checked. Based on the combination of DTCs, the possible causes and the
corrective actions to be taken.
It is also essential to clear the DTCs both at ICU and EMS ECU. The diagnostic manual
should always be used along with the vehicle’s wiring manual.
Diagnostic Manual(Immobilizer) MAN-00056-3
Scorpio Vlx/Sle/Lx
(Refresh)
Mar 2009/Rev 1
All copyrights reserved by
The repair methods given by the manufacturer in this document are based on the technical specifications current at the time of release. The methods may be modified as a result of changes introduced
by the manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part or whole of the
present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd.
Overview of the in-vehicle communication network
Engine
(EMS ECU)
Diagnostic
Connector
(DLC)
IMMOBILIZER
(ICU)
CAN
K‐Line
Diagnostic Manual(Immobilizer) MAN-00056-4
Scorpio Vlx/Sle/Lx
(Refresh)
Mar 2009/Rev 1
All copyrights reserved by
The repair methods given by the manufacturer in this document are based on the technical specifications current at the time of release. The methods may be modified as a result of changes introduced
by the manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part or whole of the
present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd.
Recommended Trouble Shooting Process
Customer complaint Record/Understand Customer Verbatim
•What happened?
•When it happened?
•What was the event before that?
•Does it happen all the time?
•Does it happen only in some condition?
Search for Published quick solution in TEKnet.
Follow DTC based diagnosis
Contact TEKliner with TAR
(Technical Assistance Request)
Diagnostic Manual(Immobilizer) MAN-00056-5
Scorpio Vlx/Sle/Lx
(Refresh)
Mar 2009/Rev 1
All copyrights reserved by
The repair methods given by the manufacturer in this document are based on the technical specifications current at the time of release. The methods may be modified as a result of changes introduced
by the manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part or whole of the
present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd.
Warranty & Other Information
All failures/complaints encountered on EMS ECU and/or ICU controllers need to be
reported through a Common Rail Failure Report (CrFR)/Service Complaint Report (SCR).
Replacement of any of the EMS ECU or ICU controller requires approval of the TEKline.
Ensure that a TAR is raised#in the TEKnet website for approval, attaching the CrFR/SCR.
While raising a warranty claim, the TAR no should be quoted on the warranty claim.
# Only a trained and certified CoTEK can raise a TAR (in TEKnet website)
Diagnostic Manual(Immobilizer) MAN-00056-6
Scorpio Vlx/Sle/Lx
(Refresh)
Mar 2009/Rev 1
All copyrights reserved by
The repair methods given by the manufacturer in this document are based on the technical specifications current at the time of release. The methods may be modified as a result of changes introduced
by the manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part or whole of the
present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd.
Key assignment guideline
Note - Only 2 keys/vehicle possible at any point of time
Notes –
1. Duplicate key should be ordered after customer verification by the dealer
2. Fill up the DKR format (Duplicate Key Request – Ver2 ) and mail it to
3. Once the new key is received, follow the key assignment process as below.
Diagnostic Manual(Immobilizer) MAN-00056-7
Scorpio Vlx/Sle/Lx
(Refresh)
Mar 2009/Rev 1
All copyrights reserved by
The repair methods given by the manufacturer in this document are based on the technical specifications current at the time of release. The methods may be modified as a result of changes introduced
by the manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part or whole of the
present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd.
Key Assignment Process
Important Note -
1. The vehicle can be started without completing the TOOL PROGRAMMING KEY –
2 and AFTER SALES CODE – 2 stages. However the vehicle cannot be attended
in future for any work on Engine ECU, IMMOBILIZER ECU (ICU) or the keys.
Diagnostic Manual(Immobilizer) MAN-00056-8
Scorpio Vlx/Sle/Lx
(Refresh)
Mar 2009/Rev 1
All copyrights reserved by
The repair methods given by the manufacturer in this document are based on the technical specifications current at the time of release. The methods may be modified as a result of changes introduced
by the manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part or whole of the
present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd.
EMS ECU Replacement
Important Note -
1. The vehicle can be started without completing the TOOL PROGRAMMING KEY –
2 and AFTER SALES CODE – 2 stages. However the vehicle cannot be attended
in future for any work on Engine ECU, IMMOBILIZER ECU or the keys.
2. For EMS dataset flashing procedure, refer to EMS diagnostic manual.
Andere Handbücher für SCORPIO Vlx
2
Dieses Handbuch passt für folgende Modelle
2
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