Diagnostic Manual (MBFM) MAN-00068-69
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.
Igniation Switch
Code Label
B 1070 Ignition switch fault (KL50 = Active, KL15a = Inactive, KL15
= Inactive)
B 1071 Ignition switch fault(KL50 = Active, KL15a = Active, KL15 =
Inactive)
B 1072 Ignition switch fault (KL50 = Active, KL15a = Active, KL15 =
Active)
B 1073 Ignition switch fault (KL50 = Inactive, KL15a = Active, KL15
=Inactive)
B 1074 Ignition switch fault (KL50 = Inactive, KL15a = Inactive,
KL15 = Active)
Description
The MBFM is able to monitor the Ignition switch status based on the current/ active status
coming from the different points of the switch.
Normal condition
Cranking KL 15 & KL 50 active
Ignition/Run KL 15 & KL 15a
OFF KL 15 & KL 15a & KL 50 inactive.
Error code Active Input Inactive input Reaction
B 1070 KL 50 KL 15a KL 15 Start
B 1071 KL 50, KL 15a KL 15 Start
B 1072 KL 50, KL 15a, KL 15 -- Start
B 1073 KL 15a KL 15, KL 50 IGN
B 1074 KL 15 KL 15a, KL 50 IGN
Wiring Diagram
B 1070
B 1071
B 1072
B 1073
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