Diagnostic Manual (MBFM) MAN-00068-47
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.
Door UnLocking Output
Code Label
B 1021 Door unlock output LSD output short to Ground/ open.
B 1022 Door unlock output LSD output short to battery.
Description
Based on the inputs from the command of unlock received from the Remote the unlocking
is actuated by actuating the unlock relay.
The error is registered when the MBFM notices that output to the relay is either SHORT
TO GROUND or SHORT TO BATTERY.
Block diagram
B 1021
B 1022
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