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.
`
Ignition OFF
EMS ECU wiring harness
connector (C4) DISCONNECTED
Check the continuity between
pin 71 of the EMS ECU wiring
harness connector and battery
ground
STEP 5
Is the continuity
exists?
Examine the short circuit of
EMS ECU power supply wire
from ignition switch to ground
Replace the wiring harness
Clear the DTC and verify
Examine the battery positive
and negative cables for any
loose connection
Clear the DTC and verify
Ignition OFF
EMS ECU wiring harness
connector (C4) DISCONNECTED
Check the continuity between
pin 1 of the EMS ECU wiring
harness connector and battery
ground
Check the continuity between
pin 2 of the EMS ECU wiring
harness connector and battery
ground
Is the continuity
exists?
Examine the open circuit of
EMS ECU ground wire
Replace the wiring harness
Clear the DTC and verify
Suspect EMS ECU malfunction
Replace EMS ECU with a new
one.
Check and verify for any new
DTC’s
STEP 6
NO
YES
YES
NO
P 0562
44