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.
`
Is the continuity
exists?
Examine the open circuit of of
AC compressor relay control
wire from EMS ECU
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 4
Ignition OFF
EMS ECU wiring harness
connector (C4) DISCONNECTED
Remove the AC compressor
relay
Check the continuity between
pin 1 of the AC compressor
relay seating (C107) and pin 91
of the EMS ECU wiring harness
connector
NO
YES
P 06A0
296