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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P0641
SENSOR SUPPLY VOLTAGE1 MONITORING ERROR
SENSOR SUPPLY VOLTAGE 1 MONITORING
EMS ECU monitors the reference voltage of the Boost pressure sensor ,Rail pressure sensor,Clutch
sensor,Vehicle speed sensor and Camshaft sensor and registers a DTC if the voltage is not within the
range.
DTC INFORMATION
PROBABLE CAUSES OF FAILURE
NORMAL OPERATION
Ignition ON
EMS ECU monitors the reference voltage of the Boost pressure
sensor ,Rail pressure sensor,Clutch sensor,Vehicle speed sensor
and Camshaft sensor and are within the range
DTC DETECTING CONDITIONS
Ignition ON
EMS ECU supply voltage 8-16V
The sensor supply voltage of Boost pressure sensor ,Rail
pressure sensor,Clutch sensor,Vehicle speed sensor and
Camshaft sensor are out of the range
DTC REACTIONS
Engine Check lamp continuously ON
Engine will not start
HEALING CONDITION
Ignition Off/On
Short to ground /battery of
supply wire of Boost
pressure sensor ,Rail
pressure sensor,Clutch
sensor,Vehicle speed
sensor and Camshaft
sensor
Faulty sensor/s (above
listed)
CONNECTOR INFORMATION
CONNECTOR NO
CONNECTOR DESCRIPTION
PIN NO
FUNCTION
C4 EMS
ECU
45
Camshaft Sensor Power
16
Vehicle Speed Sensor Power
32
Rail Pressure Sensor Power
35
Boost Pressure Sensor Power
10
Clutch Sensor Power
C201
Vehicle Speed Sensor
1
Power
C33 Rail
Pressure
Sensor
3
Power
C339 Boost
Pressure
Sensor
1
Power
C250 Clutch
Sensor
1
Power
C24 Camshaft
Sensor
3
Power
233