Mahindra SCORPIO 2014, Diagnostic Manual, Page: 58 / 91

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.
Is the value
=∞Ω?
GO TO STEP 21

Ignition OFF

MBFM wiring harness connector DISCONNECTED

Check the resistance between pin 6 of the DLC connector and
battery ground

Suspect internal short in
MBFM

Replace the MBFM with a new
one

Check and confirm that ECU’s
are able to communicate with
the diagnostic tool
YES NO
Is the value
=∞Ω?
GO TO STEP 22

Ignition OFF

IMMOBILISER wiring harness connector DISCONNECTED

Check the resistance between pin 6 of the DLC connector and
battery ground

Suspect internal short in
IMMOBILISER

Replace the IMMOBILISER
with a new one

Check and confirm that ECU’s
are able to communicate with
the diagnostic tool
YES NO
STEP 20– CHECK INTERNAL SHORT TO GROUND IN CAN HIGH OF MBFM
STEP 21– CHECK INTERNAL SHORT TO GROUND CIRCUIT IN CAN HIGH OF IMMOBILISER
DIAGNOSTIC MANUAL
SCORPIO IMMOBILISER
MAN-00281
DEC 2014/Rev 1
58