DIAGNOSTIC MANUAL MAN-00201
QUANTO
EMS
SEP 2012/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 Authorized Service Centre of Mahindra & Mahindra Ltd.,
will amount to unauthorized use and shall be liable for penalty/prosecution
© 2012 Mahindra & Mahindra Ltd.
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STEP 4
Ignition OFF
Ensure fuse 10 A (F13) and fuse
10A (F14) in ECU fuse box are
functioning properly
Remove the main relay
EMS wiring harness connector
DISCONNECTED(C4)
Check the continuity between
pin 6 of the main relay
connector (C9) and pin 6 of the
EMS ECU wiring harness
connector
Check the continuity between
pin 6 of the main relay
connector(C9) and pin 4 of the
EMS ECU wiring harness
connector
Check the continuity between
pin 8 of the main relay
connector (C9) and pin 50 of
the EMS ECU wiring harness
connector
Is the continuity
exists?
Examine the open circuit in main
relay to EMS ECU wiring circuit
Replace the wiring harness
Clear the DTC and verify
STEP 5
Is the continuity
exists?
Go to STEP 6
Ignition OFF
Remove the main relay
Check the continuity between
pin 6 of the main relay
connector (C9) and battery
ground
Check the continuity between
pin 8 of the main relay
connector (C9) and battery
ground
Examine the short to ground in
main relay to EMS ECU wiring
circuit
Replace the wiring harness
Clear the DTC and verify
YES
NO
NO
YES
P 068A
P 068B
258