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 of or whole of the present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd. The use of this document by any person other than the trained
personnel, at the Authorized Service Centre of Mahindra & Mahindra Ltd., will amount to unauthorized use and shall be liable for penalty/prosecution© 2014 Mahindra & Mahindra Ltd.
HOW TO USE THIS MANUAL
This is a combined immobiliser diagnostic manual for all variants of SCORPIO (mHAWK and
m2DiCR). The manual is divided in to two parts. The first part outlines the procedure to be
followed when any of the components, viz keys, EMS ECU or immobiliser ECU(ICU), needs to be
replaced. The seconds part outlines the trouble shooting process.
The following is the structure of the Immobiliser Diagnostic Manual –
Combination of error codes
Reason
Check lamp status
Vehicle behavior
Probable cause
Trouble shooting steps
The DTCs for immobiliser are generated at the ICU as well as at the engine management
system (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 In both ICU and EMS ECU. The diagnostic manual should
always be used along with the vehicle’s wiring manual (MAN-OO268)
DIAGNOSTIC MANUAL
SCORPIO
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