Diagnostic Manual (MBFM) MAN-00068-87
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.
RLS Input
Code Label
B1089 PWM Input from ABS Fault
Description
The MBFM requires a PWM input from the ABS when ever any fault is registered.
The information is then communicated to the Instrument Cluster over a LIN.
When the MBFM detects that there is no input coming from the ABS unit then it is
registered as an error
This input can also be seen in the diagnostic tester
B 1089
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