Diagnostic Manual (MBFM) MAN-00068-59
October 2009/Rev 1
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 Authorised Service Centre of Mahindra & Mahindra Ltd., will amount to unauthorized use and shall be liable for
penalty/prosecution© 2009 Mahindra & Mahindra Ltd.
Anti theft siren
Code Label
B 1039 Anti theft siren output short to battery.
B 1040 Anti theft siren output short to ground.
The inputs for the anti theft siren are the Ignition, the door switches, the bonnet switches
and command from the RKE.
If the vehicle is in armed condition and it detects any opening of the door then the anti
theft siren is activated.
Even after the siren is activated, if the valid remote is used then the siren will stop.
Note: even if the remote is activated for mute operation the anti theft siren will override
that.
This failure can be due to wires getting short accidentally or a deliberate attempt.
Hence it is recommended that the wiring and connector be inspected carefully. If any
evidence indicates theft attempt then the customer should be informed
B 1039
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